Cruisers, Heavy (CA)

Index
As of 1 December 1944

Name No. Class Page
Albany CA 123 CA 68 Class 113
Augusta CA 31 CA 31 93
Baltimore CA 68 CA 68 Class 113
Boston CA 69 CA 68 Class 113
Bremerton CA 130 CA 68 Class 113
Bridgeport CA 127 CA 68 Class 113
Cambridge CA 126 CA 68 Class 113
Canberra CA 70 CA 68 Class 113
Chester CA 27 CA 27 Class 89
Chicago CA 136 CA 68 Class 113
Columbus CA 74 CA 68 Class 113
Fall River CA 131 CA 68 Class 113
Helena CA 75 CA 68 Class 113
Indianapolis CA 35 CA 33 Class 101
Kansas City CA 128 CA 68 Class 113
Los Angeles CA 135 CA 68 Class 113
Louisville CA 28 CA 27 Class 89
      " CA 132 CA 68 Class 113
Minneapolis CA 36 CA 32 Class 97
New Orleans CA 32 CA 32 Class 97
Norfolk CA 137 CA 68 Class 113
Northampton CA 125 CA 68 Class 113
Oregon City CA 122 CA 68 Class 113
Pensacola CA 24 CA 24 Class 85
Pittsburgh CA 72 CA 68 Class 113
Portland CA 33 CA 33 Class 101
Quincy CA 71 CA 68 Class 113
Rochester CA 124 CA 68 Class 113
St. Paul CA 73 CA 68 Class 113
Salt Lake City CA 25 CA 24 Class 85
San Francisco CA 38 CA 32 Class 97
Scranton CA 138 CA 68 Class 113
Toledo CA 133 CA 68 Class 113
Tulsa CA 129 CA 68 Class 113
Tuscaloosa CA 37 CA 37 105
Wichita CA 45 CA 45 109

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DATA PERIOD 1941-1942 CA 24
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 13,100 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CA 24, 25

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--85--

DATA PERIOD 1941-1942 CA 24 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS
CA 24, 25

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 13,100 tons† Mean displacement 11,100 tons Mean displacement 13,100 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Day Knots Engine miles Knots Engine miles Gal./eng. mi.
100 762 665-868 435±22 779±10 32.5 11.3±0.1 10,670±210 11.2±a 1 8,720±200 68.0  
                12.0 8,310 71.4  
110 869 758-990 497±25 683±9 28.5 12.3±.1 9,830±210 12.1±.1 8,260±180 71.8  
                13.0 7,900 75.2  
120 990 864-1,128 566±28 600±8 25.0 13.3±.1 9,340±200 13.1±.1 7,860±170 75.6  
                14.0 7,460 79.6  
130 1,128 984-1,285 645±32 526±8 21.9 14.3±.1 8,810±200 14.1±.1 7,420±170 80.0  
                15.0 7,020 84.6  
140 1,285 1,121-1,464 734±36 462±7 19.2 15.3±.1 8,370±190 15.1±.1 6,980±160 85.1  
                16.0 6,640 89.4  
150 1,465 1,278-1,669 837±42 405±7 16.9 16.4±.1 7,990±190 16.2±.1 6,560±160 90.4  
                17.0 6,210 95.7  
160 1,669 1,456-1,901 954±47 356±7 14 8 17.4±.1 7,530±190 17.2±.1 6,120±160 97.0  
                18.0 5,820 102.0  
170 1,902 1,659-2,166 1,087±54 312±6 13.0 18.5±.1 7,120±190 18.3±.1 5,710±150 103.9  
                19.0 5,420 109.8  
180 2,168 1,891-2,469 1,239±62 274±6 11.4 19.6±.1 6,700±190 19.3±.1 5,290±150 112.3  
                20.0 6,000 118.9  
190 2,470 2,154-2,813 1,411±70 240±6 10.0 20.6±.1 6,180±190 20.3±.1 4,870±150 121.7  
                21.0 4,560 130.3  
200 2,815 2,455-3,206 1,609±80 211±5 8.8 21.5±.2 5,740±190 21.2±.1 4,470±150 132.8  
                22.0 4,130 143.7  
210 3,207 2,797-3,653 1,833±91 185±5 7.7 22.5±.2 5,330±180 22.1±.1 4,090±150 145.1  
220 3,656 3,188-4,163 2,089±104 162±6 6.8 23.4±.2 4,940±180 22.9±.2 3,710±150 159.6  
                23.0 3,680 161.3  
230 4,165 3,633-4,744 2,380±118 143±4 6.0 24.3±.2 4,570±180 23.8±.2 3,400±130 175.0  
                24 0 3,340 178.3  
240 4,746 4,140-5,405 2,712±135 125±4 5.2 25.3±.3 4,170±180 24 8±.2 3,100±130 191.4  
                25.0 3,060 195.0  
250 5,408 4,717-6,159 3,090±153 110±4 4.6 26.3±.3 3,790±150 25.8±.2 2,840±130 209.6  
                26.0 2,790 213.7  
260 6,163 5,376-7,019 3,522±175 96±4 4.0 27.3±.3 3,470±150 26.8±.2 2,570±130 23a 0  
                27.0 2,520 236.1  
270 7,023 6,126-7,999 4,013±199 85±3 3.5 28.1±.3 3,180±150 27.6±.3 2,350±110 254 5  
                28.0 2,200 270.7  
280 8,003 6,981-9,115 4,573±227 74±3 3.1 28.8±.3 2,880±150 28.3±.3 2,090±110 282.8  
290 9,120 7,955-10,387 5,211±259 65±3 2.7 29.5±.3 2,630±150 28.9±.3 1,880±110 315.6  
                29.0 1,840 323.2  
300 10,392 9,064-11,836 5,938±295 57±3 2.4 30.0±.3 2,340±120 29.4±.3 1,680±110 353.5  
310 11,842 10,329-13,487 6,767±336 50±3 2.1 30.4±.3 2,100±120 29.9±.3 1,500±110 396.1  
                30.0 1,460 408.0  
315 12,642 11,027-14,399 7,224±359 47±3 2.0 30.6±.3 1,990±120 ‡30.1±.3 1,410±110 420.0  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (107,000 s.h.p.).

--86--

DATA PERIOD 1941-1942  
CA 24 CLASS
SHIPS IN CLASS:
CA 24, 25

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
149.5 16.1 929±229 15.2±1.3
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
146 83 169.4
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications,
see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 12' 11'9"
2 outboard 3 12' 11'9"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 586,132 13,956 2,116
Diesel oil capacity (95%) 7,536 179 24
Total: radius oil*. 593,668 14,135 2,140
Additional fuel oil required to fill all tanks to 95% (emergency) 262,596 6,252 948
Total: maximum capacity (95%)† 856,264 20,387 3,088

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING

BASED ON MAXIMUM CAPACITY (95%)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 13,100 tons
Knots Engine miles Days Bbl./day
12 11,990 41.7 490
13 11,390 36.6 559
14 10,760 32.0 637
15 10,130 28.1 725
16 9,580 25.0 818
17 8,960 21.9 931
18 8,390 19.5 1,051
19 7,820 17.2 1,193
20 7,210 15.0 1,359
21 6,580 13.1 1,565
22 5,960 11.3 1,808
23 5,310 9.7 2,121
24 4,820 8.4 2,446
25 4,400 7.4 2,788
26 4,020 6.5 3,176
27 3,630 5.6 3,645
28 3,170 4.8 4,333
29 2,650 a 8 5,356
30 2,110 2.9 6,996
* See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--Ship: Class
100 R.P.M. 150 R.P.M. 200 R.P.M. 2S0 R.P.M. 300 R.P.M.
  Tons Percent Percent Percent Percent Percent
U.S.S. Pensacola CA 24 12,900 103.5 103.1 102.7 102.3 101.9
U.S.S. Salt Lake City CA 25 13,200 96.5 96.9 97.3 97.7 98.1
* Table VI is used to adjust the class data in tables I and IA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

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[B L A N K]

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DATA PERIOD 1914-1943 CA 27
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 13,100 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CA 27, 28

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--89--

DATA PERIOD 1941-1943 CA 27 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS
CA 27, 28

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 13,100 tons† Mean displacement 11,100 tons Mean displacement 13,100 tons†
(1) (2) (3) (4) (5) (6) (7) (7) (9) (10) (11)  
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 717 641-798 410±17 828±8 345 10.7±0.1 10,270±200 10.6±0.1 8,780±170 67.6  
                11.0 8,690 68.3  
110 813 727-905 465±19 730±8 30.4 11.8±.1 10,140±200 11.7±.1 8,540±170 69.5  
                12.0 8,430 70.4  
120 921 824-1,025 526±21 644±7 26.8 12.9±.1 9,780±200 12.7±.1 8,180±160 72.5  
                13.0 8,070 73.6  
130 1,043 933-1,161 596±24 569±7 23.7 13.9±.1 9,300±200 13.7±.1 7.800±160 7a 1  
                14.0 7,670 77.4  
140 1,182 1,057-1,315 675±27 502±6 20.9 14 9±.1 8,910±200 14.7±.1 7,380±160 80.4  
                15.0 7,280 81.6  
150 1,339 1,198-1,490 765±31 443±6 18.5 16.0±.1 8,450±200 15.8±.1 7,000±160 84.7  
                16.0 6,910 85.8  
160 1,516 1,356-1,687 866±35 391±6 16.3 17.0±.1 8,020±200 16.8±.1 6,570±160 90.2  
                17.0 6,480 91.5  
170 1,718 1,537-1,912 982±40 345±5 14 4 1& 0±.2 7,600±200 17.8±.2 6,140±160 96.5  
                18.0 6,060 97.9  
180 1,946 1,741-2,166 1,112±45 305±5 12.7 19.1±.2 7,200±200 18.8±.2 5,730±160 103.5  
                19.0 5,650 105.1  
190 2,205 1,973-2,454 1,260±51 269±5 11.2 20.1±.2 6,770±170 19.8±.2 5,330±160 111.4  
                20.0 5,260 113.1  
200 2,498 2,235-2,780 1,427±58 238±5 9.9 21.2±.2 6,380±170 20.8±.2 4,950±160 120.1  
                21.0 4,890 121.8  
210 2,830 2,532-3,149 1,617±66 210±4 a 8 22.3±.2 5,930±170 21.9±.2 4,600±140 129.2  
                22.0 4,560 130.3  
220 3,205 2,867-3,567 1,831±74 185±4 7.7 23.3±.2 5,480±170 22.9±.2 4,240±130 140.0  
                23.0 4,200 141.4  
230 3,631 3,248-4,041 2,075±84 163±4 6.8 24 3±.2 5,100±160 23.8±.2 3,880±130 152.6  
                24.0 3,810 155.7  
240 4,114 3,680-4,578 2,351±96 144±4 6.0 25.2±.2 4,660±160 24.7±.2 3,560±130 166.6  
                25.0 3,460 171.7  
250 4,660 4,169-5,186 2,663±108 127±3 5.3 26.2±.3 4,320±160 25.6±.3 3,250±120 182.0  
                26.0 3,130 189.6  
260 5,279 4,723-5,875 3,017±123 112±3 4 7 27.1±.3 4,010±160 26.5±.3 2,970±120 199.2  
                27.0 2,800 211.6  
270 5,981 5,351-6,656 3,418±139 99±3 4 1 27.9±.3 3,650±160 27.3±.3 2,700±120 219.1  
280 6,775 6,061-7,540 3,871±157 88±3 3.7 28.6±.3 3,350±130 28.0±.3 2,460±120 242.0  
290 7,675 6,866-8,541 4,386±178 77±3 3.2 29.2±.3 3,010±120 28.6±.3 2,200±110 268.4  
                29.0 2,060 288.0  
300 8,695 7,779-9,676 4,969±202 68±3 2.8 29.8±.3 2,710±120 29.2±.3 1,990±110 297.8  
310 9,850 8,812-10,962 5,629±229 60±3 2.5 30.3±.3 2,450±120 29.7±.3 1,780±110 331.6  
                30.0 1,690 354.1  
318 10,884 9,737-12,113 6,219±253 55±2 2.3 30.7±.3 2,270±120 ‡30.1±.3 1,660±80 361.6  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (107,000 s.h.p.).

--90--

DATA PERIOD 1941-1943  
CA 27 CLASS
SHIPS IN CLASS:
CA 27, 28

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
157.1 16.5 950±262 14.9±1.5
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
147 84 168.2
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below, in the case of ships
whose propellers do not conform to these specifications, see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 12'0" 11'9"
2 outboard 3 12'0" 11'9"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil 588,625 14,015 2,125
Diesel oil capacity (95%)‡ 4,710 112 15
Total: Radius oil‡*. 593,335 14,127 2,140
Additional fuel oil required to fill all tanks to 95% (emergency)‡ 234,619 5,586 847
Total: maximum capacity (95%)‡† 827,954 19,713 2,987

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING

BASED ON MAXIMUM CAPACITY (95%)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 13,100 tons
Knots Engine miles Days Bbl./day
11 12,130 46.0 430
12 11,760 40.9 483
13 11,260 36.1 547
14 10,700 32.0 620
15 10,160 28.2 700
16 9,640 25.3 785
17 9,040 22.2 889
18 8,460 19.7 1,008
19 7,880 17.3 1,142
20 7,330 15.2 1,293
21 6,820 13.5 1,462
22 6,360 12.1 1,638
23 5,860 10.6 1,858
24 5,320 9.2 2,136
25 4,830 8.1 2,455
26 4,370 7.0 2,820
27 3,910 6.0 3,268
28 3,430 5.2 3,871
29 2,870 4.0 4,775
30 2,360 3.3 6,072
* See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--Ship: Class
100 R.P.M. 150 R.P.M. 200 R.P.M. 250 R.P.M. 300 R.P.M.
  Tons Percent Percent Percent Percent Percent
U.S.S. Chester CA 27 13,200 102.4 102.2 102.1 102.0 101.9
U.S.S. Louisville CA 28 13,000 97.6 97.8 97.9 98.0 98.1
* Table VI is used to adjust the class data in tables I and IA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

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[B L A N K]

--92--

DATA PERIOD 1941-1943 CA 31
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 14,300 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CA 31

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--93--

DATA PERIOD 1941-1943 CA 31 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS
CA 31

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 14,300 tons† Mean displacement 12,300 tons Mean displacement 14,300 tons†
(1) (2) (3) (4) (5) (6) (7) (8) C9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 911 793-1,040 521±26 656±9 27.3 10.8±0.1 7,970±180 10.7±0.1 7,020±170 85.1  
                11.0 6,980 85.6  
110 1,014 883-1,157 579±29 589±8 24.5 11.8±.1 7,920±180 11.7±.1 6,890±160 86.7  
                12.0 6,840 87.3  
120 1,128 982-1,287 645±32 530±8 22.1 12.8±.1 7,710±180 12.7±.1 6,730±160 88.8  
                13.0 6,670 89.7  
130 1,256 1,093-1,433 718±36 476±8 19.8 13.8±.1 7,310±170 13.7±.1 6,520±160 91.7  
                14 0 6,450 92.7  
140 1,398 1,217-1,595 799±40 427±7 17.8 14.8±.1 7,120±170 14.7±.1 6,280±160 95.1  
                15.0 6,200 96.3  
150 1,556 1,354-1,776 889±45 384±7 16.0 15.8±.1 6,890±170 15.7±.1 6,030±160 99.1  
                16.0 5,950 100.5  
160 1,733 1,508-1,978 990±50 345±7 14.4 16.9±.1 6,620±170 16.7±.1 5,760±160 103.8  
                17.0 5,680 105.4  
170 1,929 1,679-2,201 1,102±56 310±6 12.9 17.9±.1 6,440±170 17.7±.1 5,490±160 109.0  
                18.0 5,420 110.4  
180 2,147 1,869-2,450 1,227±62 278±6 11.6 19.0±.1 6,210±170 18.8±.1 5,230±160 114.2  
                19.0 5,170 115.5  
190 2,390 2,080-2,727 1,366±69 250±6 10.4 20.0±.1 5,880±170 19.8±.1 4,950±160 120.7  
                20.0 4,900 122.1  
200 2,661 2,316-3,037 1,521±77 225±5 9.4 21.0±.1 5,610±170 20.8±.1 4,680±160 127.9  
                21.0 4,620 129.5  
210 2,962 2,578-3,380 1,693±85 202±5 8.4 22.0±.1 5,320±170 21.8±.1 4,400±160 135.9  
                22.0 4,340 138.0  
220 3,297 2,870-3,762 1,884±95 181±5 7.5 23.0±.1 5,060±170 22.7±.1 4,110±160 145.2  
                23.0 4,040 148.1  
230 3,670 3,194-4,188 2,097±106 163±5 6.8 24.0±.2 4,730±170 23.7±.2 3,860±160 154.9  
                24.0 3,770 158.6  
240 4,085 3,556-4,661 2,334±118 146±4 6.1 24.9±.2 4,460±170 24 6±.2 3,590±140 166.1  
                25.0 3,490 170.7  
250 4,548 3,959-5,190 2,599±131 131±4 5.5 25.9±.2 4,170±170 25.6±.2 3,350±140 177.7  
                26.0 3,250 183.6  
260 5,062 4,406-5,776 2,893±146 118±4 4.9 26.8±.2 3,890±140 26.5±.2 3,130±140 191.0  
                27.0 2,980 200.6  
270 5,635 4,905-6,430 3,220±162 106±4 4.4 27.6±.2 3,590±140 27.3±.2 2,890±140 206.4  
280 6,273 5,460-7,158 3,585±181 95±4 4.0 28.3±.2 3,340±140 28.0±.2 2,660±140 224.0  
290 6,983 6,078-7,968 3,990±201 86±4 3.6 29.0±.2 3,070±140 28.6±.2 2,460±140 244 2  
                29.0 2,320 258.9  
300 7,773 6,766-8,870 4,442±224 77±3 3.2 29.6±.2 2,840±140 29.2±.2 2,250±110 266.2  
303 8,028 6,988-9,161 4,587±231 74±3 3.1 29.8±.2 2,770±140 ‡29.4±.2 2,180±110 273.1  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (107,000 s.h.p.).

--94--

DATA PERIOD 1941-1943  
CA 31 CLASS
SHIPS IN CLASS:
CA 31

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
156.9 16.4 1,015±182 14.0±0.9
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
176 101 141.4
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below. In case of a propeller change see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 12' 11'9"
2 outboard 3 12' 11'9"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity § 588,625 14,015 2,125
Diesel oil capacity (95%) 8,792 209 28
Total: radius oil*. 597,417 14,224 2,153
Additional fuel oil required to fill all tanks to 95% (emergency) 227,971 5,428 823
Total: maximum capacity (95%)† 825,388 19,652 2,976

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING

BASED ON MAXIMUM CAPACITY (95%)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 14,300 tons
Knots Engine miles Days Bbl./day
11 9,640 36.6 538
12 9,450 32.9 599
13 9,220 29.6 667
14 8,910 26.5 742
15 8,570 23.9 826
16 8,220 21.4 919
17 7,850 19.3 1,024
18 7,490 17.4 1,136
19 7,140 15.8 1,255
20 6,770 14.1 1,397
21 6,380 12.7 1,555
22 6,000 11.3 1,735
23 5,580 10.1 1,948
24 5,210 9.1 2,176
25 4,820 8.2 2,440
26 4,490 7.2 2,730
27 4,120 6.4 3,097
28 3,680 5.5 3,585
29 3,210 4.6 4,291
* See table V.

--95--

[B L A N K]

--96--

DATA PERIOD 194-194 CA 32
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 13,000 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CA 32, 36, 38

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--97--

DATA PERIOD 1941-1943 CA 32 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS
CA 32, 36, 38

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 13,000 tons† Mean displacement 11,000 tons Mean displacement 13,000 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knott Engine miles Knots Engine miles Gal./eng. mi.  
100 696 619-779 398±17 767±8 32.0 10.3±0.1 8,860±180 10.2±0.1 7,820±160 68.2  
                11.0 7,690 69.4  
110 781 695-874 446±19 684±8 28.5 11.3±.1 9,070±180 11.2±.1 7,660±160 69.7  
                12.0 7,400 72.1  
120 876 779-980 501±21 609±7 25.4 12.2±.1 8,740±170 12.1±.1 7,370±150 72.4  
                13.0 7,150 74.7  
130 982 873-1,099 561±24 544±7 22.7 13.2±.1 8,240±160 13.1±.1 7,130±150 75.0  
140 1,101 979-1,232 629±27 485±7 20.2 14.2±.1 7,910±160, 14.0±.1 6,790±150 78.6  
150 1,234 1,097-1,381 705±30 433±6 18.0 15.2±.1 7,540±160 15.0±.1 6,500±140 82.3  
160 1,384 1,231-1,549 791±34 386±6 16.1 16.2±.1 7,180±150 16.0±.1 6,180±140 86.5  
170 1,552 1,380-1,737 887±38 344±6 14.3 17.2±.1 6,790±150 17.0±.1 5,850±140 91.3  
180 1,740 1,547-1,947 994±43 307±5 12.8 18.2±.1 6,550±150 18.0±.1 5,530±130 96.7  
190 1,951 1,735-2,183 1,115±48 274±5 11.4 19.1±.1 6,210±150 18.9±.1 5,180±130 103.2  
                19.0 5,140 104.0  
200 2,187 1,945-2,447 1,250±53 244±5 10.2 20.0±.1 5,860±140 19.8±.1 4,830±130 110.5  
                20.0 4,760 112.8  
210 2,452 2,181-2,744 1,401±60 218±5 9.1 20.9±.1 5,410±140 20.7±.1 4,510±130 118.5  
                21.0 4,380 122.0  
220 2,750 2,446-3,077 1,571±67 194±4 8.1 21.8±.1 5,010±140 21.5±.1 4,170±130 127.9  
                22.0 3,980 134.4  
230 3,083 2,742-3,450 1,762±75 173±4 7.2 22.6±.1 4,660±140 22.3±.1 3,860±130 138.3  
                23.0 3,600 148.3  
240 3,457 3,074-3,868 1,975±84 154±4 6.4 23.4±.2 4,330±140 23.1±.1 3,560±130 149.7  
250 3,877 3,448-4,338 2,215±95 138±4 5.8 24.3±.2 4,060±140 24.0±.2 3,310±130 161.5  
260 4,347 3,866-4,864 2,484±106 123±4 5.1 25.2±.2 3,860±140 24.8±.2 3,050±130 175.3  
                25.0 3,000 178.5  
270 4,874 4,334-5,454 2,785±119 110±3 4.6 26.1±.2 3,600±140 25.7±.2 2,830±120 189.6  
                26.0 2,770 194.1  
280 5,465 4,860-6,115 3,123±134 98±3 4.1 27.1±.2 3,330±140 26.7±.2 2,620±120 204.7  
                27.0 2,530 211.5  
290 6,128 5,450-6,857 3,502±150 87±3 3.6 27.9±.3 3,070±120 27.5±.3 2,390±120 222.8  
                28.0 2,250 237.7  
300 6,872 6,111-7,690 3,927±168 78±3 3.2 28.7±.3 2,780±120 28.2±.3 2,200±120 243.7  
310 7,706 6,853-8,623 4,403±188 69±3 2.9 29.4±.3 2,470±120 28.9±.3 1,990±120 266.6  
                29.0 1,960 271.0  
320 8,640 7,683-9,668 4,937±211 62±3 2.6 30.0±.3 2,190±120 29.5±.3 1,830±120 292.9  
                30.O 1,690 317.1  
330 9,689 8,616-10,842 5,537±237 55±3 2.3 30.7±.4 1,930±120 30.1±.4 1,660±120 321.9  
340 10,864 9,661-12,157 6 208±266 49±2 2.0 31.3±.4 1,780±120 30.6±.4 1,500±90 355.0  
346 11,637 10,349-13,022 6,650±284 46±2 1.9 31.7±.4 1,710±120 ‡30.9±.4 1,420±90 376.6  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (107,000 s.h.p.).

--98--

DATA PERIOD 1941-1943  
CA 32 CLASS
SHIPS IN CLASS:
CA 32, 36, 38

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
154.0 15.4 805±182 15.8±1.3
* Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
143 82 155.5
* Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications,
see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 11'3" 11'9"
2 outboard 3 11'6" 11'9"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity § 526,300 12,531 1,900
Diesel oil capacity( 95%) 7,536 179 24
Total: radius oil* 533,836 12,710 1,924
Additional fuel oil required to fill all tanks to 95% (emergency) 91,964 2,190 332
Total: maximumcapacity (95%)† 625,800 14,900 2,256

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING

BASED ON MAXIMUM CAPACITY (95%)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 13,000 tons
Knots Engine miles Days Bbl./day
11 9,010 34.2 436
12 8,670 30.1 495
13 8,380 27.0 555
14 7,960 23.7 629
15 7,620 21.1 705
16 7,240 18.9 791
17 6,860 16.8 887
18 6,480 15.0 994
19 6,030 13.2 1,130
20 5,580 11.7 1,284
21 5,130 10.2 1,465
22 4,670 8.8 1,690
23 4,220 7.6 1,948
24 3,880 6.8 2,215
25 3,520 5.9 2,551
26 3,250 5.2 2,886
27 2,970 4.6 3,265
28 2,640 3.9 3,806
29 2,300 3.3 4,492
30 1,980 2.8 5,437
* See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--Ship: Class
100 R.P.M. 150 R.P.M. 200 R.P.M. 250 R.P.M. 300 R.P.M.
  Tons Percent Percent Percent Percent Percent
U.S.S. New Orleans CA 32 13,100 101.3 101.0 100.8 100.5 100.2
U.S.S. Minneapolis CA 36 13,000 102.1 100.9 99.8 98.6 97.5
U.S.S. San Francisco CA 38 13,000 96.7 98.1 99.5 100.9 102.3
* Table VI is used to adjust the class data in tables I and IA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

--99--

[B L A N K]

--100--

DATA PERIOD 1942-1943 CA 33
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 14,000 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CA 33, 35

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--101--

DATA PERIOD 1941-1943 CA 33 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS
CA 33, 35

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 14,000 tons† Mean displacement 12,000 tons Mean displacement 14,000 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine miles Gal./eng. mi.  
100 761 673-856 435±19 987±10 41.1 10.7±0.1 11,510±220 10.6±0.1 10,460±210 71.8  
                11.0 10,330 72.7  
110 860 761-967 491±22 873±9 36.4 11.7±.1 11,270±220 11.6±.1 10,130±200 74 1  
                12.0 9,970 75.3  
120 973 861-1,094 556±25 772±9 32.2 12.7±.1 11,090±210 12.6±.1 9,730±200 77.2  
                13.0 9,550 78.7  
130 1,100 973-1,237 629±28 683±8 28.5 13.7±.1 10,580±210 13.6±.1 9,290±180 80.9  
                14.0 9,090 82.7  
140 1,245 1,101-1,400 711±32 603±8 25.1 14.7±.1 10,160±200 14.6±.1 8,800±180 85.3  
                15.0 8,640 88.9  
150 1,408 1,246-1,583 805±36 533±7 22.2 15.8±.1 9,650±200 15.7±.1 8,370±170 89.7  
                16.0 8,220 91.4  
160 1,592 1,408-1,790 910±41 472±7 19.7 16.9±.1 9,130±200 16.7±.1 7,880±170 95.3  
                17.0 7,730 97.2  
170 1,801 1,593-2,025 1,029±46 417±6 17.4 17.9±.1 8,660±200 17.7±.1 7,380±170 101.8  
                18.0 7,260 103.6  
180 2,037 1,802-2,290 1,164±52 369±6 15.4 19.0±.1 8,230±200 18.8±.1 6,940±170 108.4  
                19.0 6,840 110.0  
190 2,303 2,037-2,589 1,316±59 326±6 13.6 20.0±.1 7,740±200 19.8±.1 6,450±170 116.3  
                20.0 6,360 118.1  
200 2,605 2,305-2,929 1,489±66 288±5 12.0 21.1±.2 7,220±200 20.8±.2 5,990±170 125.2  
                21.0 5,900 127.2  
210 2,947 2,607-3,314 1,684±75 255±5 10.6 22.1±.2 6,700±200 21.8±.2 5,560±170 135.2  
                22.0 5,460 137.8  
220 3,333 2,949-3,748 1,905±85 225±5 9.4 23.0±.2 6,160±170 22.7±.2 5,110±160 146.8  
                23.0 4,950 151.9  
230 3,770 3,335-4,239 2,154±96 199±5 8.3 23.8±.2 5,710±170 23.5±.2 4,680±160 160.4  
                24.0 4,500 167.2  
240 4,264 3,772-4,794 2,437±109 176±4 7.3 24.8±.2 5,330±170 24.5±.2 4,310±140 174.0  
                25.0 4,140 181.6  
250 4,823 4,267-5,423 2,756±123 156±4 6.5 25.9±.2 4,920±170 25.5±.2 3,980±140 189.1  
                26.0 3,820 197.4  
260 5,455 4,826-6,134 3,117±139 138±4 5.8 26.9±.2 4,520±160 26.5±.2 3,660±140 205.8  
                27.0 3,480 216.6  
270 6,170 5,458-6,938 3,526±157 122±4 5.1 27.8±.2 4,110±160 27.4±.2 3,340±140 225.2  
                28.0 3,120 241.9  
280 6,979 6,174-7,847 3,988±178 108±4 4.5 28.6±.2 3,750±160 28.2±.2 3,050±140 247.5  
290 7,894 6,983-8,876 4,511±201 95±3 4.0 29.3±.3 3,430±160 28.9±.3 2,750±120 273.1  
                29.0 2,700 278.0  
300 8,929 7,899-10,040 5,102±228 84±3 3.5 29.9±.3 3,110±130 29.5±.3 2,480±120 302.7  
310 10,099 8,934-11,355 5,771±258 74±3 3.1 30.4±.3 2,830±120 30.0±.3 2,880±180 336.6  
320 11,423 10,105-12,844 6,527±291 66±3 2.8 30.8±.3 2,560±120 30.±.3 2,010±120 375.8  
330 12,922 11,431-14,529 7,384±330 58±3 2.4 31.2±.3 2,310±120 30.8±.3 1,790±120 419.5  
331 13,082 11,573-14,709 7,475±334 57±3 2.4 31.2±.3 2,280±120 ‡30.8±.3 1,760±120 424 7  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (107,000 s.h.p.).

--102--

DATA PERIOD 1941-1943  
CA 33 CLASS
SHIPS IN CLASS:
CA 33, 35

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
146.6 15.3 871±224 20.5±1.6
*Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
154 88 203.2
*Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below.
In the case of ships whose propellers do not conform to these specifications,
see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 12'0" 11'9"
2 outboard 3 12'0" 11'9"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 724,078 17,240 2,614
Diesel oil capacity (95%) 27,004 643 86
Total: radius oil* 751,082 17,883 2,700
Additional fuel oil required to fill all tanks to 95% (emergency) 99,997 2,381 361
Total: maximum capacity (95%)† 851,079 20,264 3,061

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING

BASED ON MAXIMUM CAPACITY (95%)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 14,000 tons
Knots Engine miles Days Bbl./day
11 11,710 44.4 457
12 11,300 39.3 517
13 10,820 34.8 585
14 10,300 30.7 662
15 9,790 27.2 745
16 9,310 24.2 836
17 8,760 21.5 946
18 8,230 19.0 1,066
19 7,750 17.0 1,194
20 7,210 15.1 1,351
21 6,690 13.3 1,528
22 6,190 11.7 1,733
23 5,610 10.2 1,998
24 5,100 8.8 2,296
25 4,690 7.8 2,596
26 4,330 7.0 2,936
27 3,940 6.1 3,344
28 3,540 5.2 3,872
29 3,060 4.4 4,610
30 2,520 a 5 5,771
*See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--Ship: Class
100 R.P.M. 150 R.P.M. 200 R.P.M. 250 R.P.M. 300 R.P.M.
  Tons Percent Percent Percent Percent Percent
U.S.S. Portland CA 33 13,800 96.9 97.9 98.9 99.9 101.0
U.S.S. Indianapolis CA 35 14,200 103.1 102.1 101.1 100.2 99.0
*Table VI is used to adjust the class data in tables I and IA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

--103--

[B L A N K]

--104--

DATA PERIOD 1942 CA 37
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 13,200 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CA 37

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--105--

DATA PERIOD 1942 CA 37 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CA 37

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 13,200 tons† Mean displacement 11,200 tons Mean displacement 13,200 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)  
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knots Engine mitts Gal./eng. mi.  
100 709 655-766 405±12 749±6 31.2 10.9±0.1 8,970±150 10.8±0.1 8,090±150 65.6  
                11.0 8,060 65.8  
110 797 736-861 455±13 666±5 27.8 12.0±.1 8,990±150 11.9±.1 7,930±130 67.0  
                12.0 7,910 67.2  
120 896 828-968 512±15 593±5 24 7 13.1±.1 8,720±150 13.0±.1 7,710±130 68.9  
                14 0 7,460 71.3  
130 1,008 931-1,089 576±17 527±5 22.0 14.2±.1 8,510±150 14.1±.1 7,430±130 71.5  
                15.0 7,110 74.7  
140 1,133 1,047-1,224 647±19 469±5 19.5 15.2±.1 8,190±150 15.1±.1 7,080±130 75.0  
                16.0 6,740 78.8  
150 1,275 1,178-1,377 729±21 416±4 17.3 16.2±.1 7,780±150 16.1±.1 6,700±110 79.2  
                17.0 6,380 83.3  
160 1,433 1,324-1,548 819±24 371±4 15.5 17.3±.1 7,470±150 17.1±.1 6,340±110 83.8  
                18.0 5,990 88.6  
170 1,612 1,489-1,741 921±27 329±4 13.7 18.3±.1 7,030±150 18.1±.1 5,950±110 89.1  
                19.0 5,630 94.3  
180 1,813 1,675-1,958 1,036±30 293±4 12.2 19.3±.1 6,660±150 19.1±.1 5,600±110 94 9  
                20.0 5,280 100.8  
190 2,038 1,883-2,201 1,165±34 261±4 10.9 20.3±.1 6,310±150 20.1±.1 5,250±110 101.4  
200 2,292 2,117-2,476 1,310±38 232±3 9.7 21.3±.2 5,880±150 21.0±.2 4,870±110 109.1  
210 2,578 2,381-2,785 1,473±43 206±3 8.6 22.2±.2 5,530±140 21.9±.2 4,510±110 117.7  
                22.0 4,470 118.7  
220 2,899 2,678-3,131 1,657±48 183±3 7.6 23.1±.2 5,110±130 22.8±.2 4,170±110 127.1  
                23.0 4,090 129.8  
230 3,260 3,011-3,521 1,863±54 163±3 6.8 23.9±.2 4,760±130 23.6±.2 3,850±110 138.1  
                24.0 3,720 143.2  
240 3,666 3,386-3,960 2,095±61 145±3 6.0 24.8±.2 4,440±130 24.5±.2 3,550±110 149.6  
                25.0 3,400 156.7  
250 4,123 3,808-4,453 2,356±69 129±3 5.4 25.7±.2 4,090±130 25.4±.2 3,280±110 162.3  
                25.4±.2 3,150 169.2  
260 4,636 4,282-5,008 2,649±77 115±3 4.8 26.8±.2 3,780±130 26.5±.2 3,050±110 175.0  
                27.0 2,910 183.5  
270 5,214 4,816-5,632 2,979±87 102±2 4.3 27.8±.2 3,530±130 27.4±.2 2,790±90 190.3  
                28.0 2,590 206.0  
280 5,863 5,416-6,333 3,350±98 91±2 3.8 28.5±.3 3,220±130 28.1±.3 2,560±90 208.6  
290 6,594 6,091-7,123 3,768±110 81±2 3.4 29.1±.3 2,940±90 28.7±.3 2,320±90 229.8  
                29.0 2,210 241.4  
300 7,415 6,849-8,009 4,237±123 72±2 3.0 29.7±.3 2,700±90 29.3±.3 2,110±80 253.1  
310 8,338 7,702-9,006 4,765±139 64±2 2.7 30.2±.3 2,450±90 29.8±.3 1,910±80 279.8  
                30.0 1,840 291.7  
320 9,377 8,662-10,129 5,358±156 57±2 2.4 30.7±.3 2,240±90 30.3±.3 1,730±80 309.5  
330 10,545 9,741-11,390 6,026±176 50±2 2.1 31.2±.3 2,060±90 30.7±.3 1,540±80 343.5  
331 10,670 9,856-11,525 6,097±178 50±2 2.1 31.3±.3 2,030±90 ‡30.8±.3 1,540±80 346.4  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (107,000 s.h.p.).

--106--

DATA PERIOD 1942  
CA 37 CLASS
SHIPS IN CLASS:
CA 37

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
168.3 17.9 994±228 12.7±1.1
*Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
158 90 140.0
*Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below.
In case of a propeller change see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 12'0" 11'9"
2 outboard 3 12'0" 11'9"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 526,300 12,531 1,900
Diesel oil capacity (95%) 4,710 112 15
Total: radius oil* 531,010 12,643 1,915
Additional fuel oil required to fill all tanks to 95% (emergency) 94,180 2,242 340
Total: maximum capacity (95%)† 625,190 14,885 2,255

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING

BASED ON MAXIMUM CAPACITY (95%)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 13,200 tons
Knots Engine miles Days Bbl./day
11 9,490 36.0 414
12 9,310 32.4 460
13 9,080 29.1 512
14 8,780 26.1 570
15 8,370 23.3 640
16 7,940 20.6 721
17 7,510 18.5 810
18 7,050 16.4 911
19 6,630 14 6 1,024
20 6,220 13.0 1,152
21 5,730 11.4 1,310
22 5,260 10.0 1,493
23 4,820 8.7 1,708
24 4,380 7.5 1,966
25 4,000 6.7 2,240
26 3,710 6.0 2,516
27 3,430 5.3 2,832
28 3,050 4 6 3,297
29 2,600 3.8 4 002
30 2,170 3.1 5,002
*See table V.

--107--

[B L A N K]

--108--

DATA PERIOD 1943-1944 CA 45
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 13,400 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CA 45

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--109--

DATA PERIOD 1943-1944 CA 45 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CA 45

PROP. SPEED FUEL RATE§ ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 13,400 tons† Mean displacement 11,400 tons Mean displacement 13,400 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Day Knots Engine miles Knott Engine miles Gal./eng. mi.  
100 700 617-790 400±18 812±9 33.8 10.3±0.1 9,260±200 10.2±0.1 8,280±180 68.6  
                11.0 8,060 70.6  
110 796 701-898 455±21 714±9 29.8 11.3±.1 9,180±190 11.2±.1 8,000±180 71.1  
                12.0 7,730 73.6  
120 905 797-1,021 517±24 628±8 26.2 12.3±.1 8,890±190 12.2±.1 7,660±170 74.2  
                13.0 7,430 76.5  
130 1,028 906-1,160 587±27 553±8 23.0 13.4±.1 8,630±180 13.3±.1 7,350±170 77.3  
                14.0 7,070 80.4  
140 1,169 1,030-1,319 668±31 486±7 20.3 14.4±.1 8,160±180 14.3±.1 6,950±150 81.7  
                15.0 6,610 86.1  
150 1,329 1,171-1,500 759±35 428±7 17.8 15.4±.1 7,780±160 15.2±.1 6,510±150 87.4  
                16.0 6,170 92.0  
160 1,510 1,331-1,704 863±40 376±6 15.7 16.4±.1 7,280±160 16.2±.1 6,090±140 93.2  
                17.0 5,710 99.6  
170 1,717 1,513-1,938 981±45 331±6 13.8 17.3±.1 6,850±160 17.1±.1 5,660±140 100.4  
                18.0 5,310 107.1  
180 1,952 1,720-2,203 1,115±51 291±6 12.1 18.3±.1 6,390±160 18.1±.1 5,270±140 107.8  
                19.0 4,930 115.3  
190 2,218 1,954-2,503 1,267±58 256±5 10.7 19.3±.1 6,000±160 19.1±.1 4,890±130 116.1  
200 2,522 2,222-2,846 1,441±66 225±5 9.4 20.3±.1 5,620±160 20.0±.1 4,500±130 188.1  
210 2,866 2,525-3,234 1,638±75 198±5 8.3 21.2±.1 5,240±160 20.9±.1 4,140±130 137.1  
                21.0 4,100 138.5  
220 3,258 2,871-3,677 1,862±86 174±4 7.3 22.1±.1 4,800±160 21.8±.1 3,790±130 149.4  
                22.0 3,740 151.7  
230 3,666 3,230-4,137 2,095±96 155±4 6.5 23.1±.2 4,460±160 22.8±.1 3,530±130 160.8  
                23.0 3,480 163.6  
240 4,104 3,616-4,631 2,345±108 139±4 5.8 24 0±.2 4,150±140 23.7±.2 3,290±130 173.2  
                24.0 3,210 177.4  
250 4,573 4,029-5,161 2,613±120 124±4 5.2 24 9±.2 3,860±140 24.6±.2 3,050±130 185.9  
                25.0 2,970 190.7  
260 5,015 4,419-5,659 2,866±132 113±4 4.7 25.9±.2 3,600±140 25.5±.2 2,880±130 196.7  
                26.0 2,810 202.3  
270 5,460 4,811-6,162 3,120±144 104±4 4.3 26.8±.2 3,380±140 26.4±.2 2,750±130 206.8  
                27.0 2,680 212.3  
280 5,919 5,216-6,679 3,382±156 96±3 4.0 27.8±.2 3,170±140 27.4±.2 2,630±120 216.0  
                28.0 2,540 223.8  
290 6,445 5,679-7,273 3,683±170 88±3 3.7 28.7±.2 2,980±140 28.3±.2 2,490±120 227,7  
300 6,938 6,113-7,829 3,965±183 82±3 3.4 29.5±.2 2,830±120 29.0±.2 2,380±120 239.2  
310 7,434 6,550-8,389 4,248±196 76±3 3.2 30.3±.3 2,670±120 29.8±.2 2,260±120 249.5  
                30.0 2,230 252.8  
320 7,966 7,019-8,989 4,552±210 71±3 3.0 31.0±.3 2,510±120 30.5±.3 2,170±120 261.2  
                31.0 2,120 268.6  
330 8,399 7,401-9,478 4,799±221 68±3 2.8 31.7±.3 2,380±120 31.1±.3 2,110±120 270.1  
340 8,815 7,767-9,948 5,037±232 64±3 2.7 32.2±.3 2,250±120 31,6±.3 2,020±120 279.0  
343 8,938 7,876-10,086 5,107±235 64±3 2.7 32.4±.3 2,240±120 ‡31.8±.3 2,040±120 281.1  

* See table V.
† Mean displacement during date period.
‡ Estimated speed at design shaft horsepower (107,000 s.h.p.).
§ Fuel rates and corresponding values of endurance and radius were estimated for propeller speeds greater than 220 R.P.M. because of inadequate data.

--110--

DATA PERIOD 1943-1944  
CA 45 CLASS
SHIPS IN CLASS:
CA 45

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
173.6 17.5 1,134±244 11.9±1.0
*Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
234 134 101.2
*Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below.
In case of a propeller change see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 3 11'9 5/8" 11'6 5/8"
2 outboard 3 11'9 5/8" 11'9 7/8"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 549,568 13,085 1,984
Diesel oil capacity (95%) 18,840 449 60
Total: radius oil* 568,408 13,534 2,044
Additional fuel oil required to fill all tanks to 95% (emergency) 55,123 1,312 199
Total: maximum capacity (95%)† 623,531 14,846 2,243

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING

BASED ON MAXIMUM CAPACITY (95%)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 13,400 tons
Knott Engine miles Days Bbl./day
11 8,840 33.6 444
12 8,480 29.5 505
13 8,150 26.2 568
14 7,760 23.1 644
15 7,250 20.2 739
16 6,770 17.7 842
17 6,260 15.4 968
18 5,820 13.5 1,102
19 5,410 11.8 1,252
20 4,940 10.3 1,441
21 4,500 9.0 1,663
22 4,100 7.8 1,909
23 3,820 6.9 2,151
24 3,520 6.1 2,434
25 3,260 5.5 2,725
26 3,080 4 9 3,007
27 2,940 4 5 3,277
28 2,790 4 2 3,583
29 2,610 3.7 3,965
30 2,450 3.4 4,335
31 2,330 3.1 4 758
*See table V.

--111--

[B L A N K]

--112--

DATA PERIOD 1944-1945 CA 68
ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING
MEAN DISPLACEMENT: 17,000 TONS
Fuel in Thousands of Gallons
SHIPS IN CLASS:
CA 68-75, 122-133, 135-138

Chart: ENDURANCE AND RADIUS CHART FOR WAR STEADY STEAMING

--113--

DATA PERIOD 1944-1945 CA 68 CLASS
Table I.--WAR LOGISTICS DATA FOR STEADY STEAMING
BASED ON RADIUS OIL*
SHIPS IN CLASS:
CA 68-75, 122 133, 135-138

PROP. SPEED FUEL RATE ENDURANCE SPEED RADIUS SPEED RADIUS FUEL RATE WORK COLUMN
MEAN NORMAL RANGE DAILY
Mean displacement 17,000 tons† Mean displacement 15,000 tons Mean displacement 17,000 tons†
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10) (11)
R.P.M. Gal./hr. Gal./hr. Bbl./day Hours Days Knots Engine miles Knott Engine miles Gal./eng. mi.  
100 801 711-898 458±20 808±9 33.7 10.6±0.1 10,060±220 10.5±0.1 8,480±190 76.3  
                11.0 8,450 76.6  
110 892 792-1,000 510±22 725±8 30.2 11.7±.1 9,980±220 11.6±.1 8,410±190 76.9  
                12.0 8,360 77.4  
120 993 881-1,113 567±25 652±8 27.2 12.8±.1 9,280±220 12.7±.1 8,280±190 78.2  
                13.0 8,220 78.7  
130 1,106 981-1,240 632±28 585±7 24 4 13.9±.1 8,770±220 13.8±.1 8,070±190 80.1  
                14.0 8,020 80.6  
140 1,232 1,093-1,381 704±31 525±7 21.9 15.0±.1 8,400±220 14.9±.1 7,820±190 82.7  
                15.0 7,800 83.0  
150 1,372 1,217-1,538 784±34 472±7 19.7 16.1±.1 8,020±220 16.0±.1 7,550±190 85.8  
160 1,528 1,356-1,713 873±38 424±6 17.7 17.1±.2 7,640±220 17.0±.2 7,210±190 89.9  
170 1,702 1,510-1,908 973±42 380±6 15.8 18.1±.2 7,260±200 17.9±.2 6,800±190 95.1  
                18.0 6,760 95.6  
180 1,895 1,682-2,125 1,083±47 341±6 14 2 19.2±.2 6,910±190 18.9±.2 6,440±190 100.3  
                19.0 6,410 100.9  
190 2,111 1,873-2,367 1,206±53 307±5 12.8 20.2±.2 6,540±190 19.9±.2 6,110±190 106.1  
                20.0 8,070 106.9  
200 2,351 2,086-2,636 1,343±58 275±5 11.5 21.1±.2 6,120±190 20.8±.2 5,720±190 113.0  
                21.0 5,650 114 4  
210 2,619 2,324-2,937 1,497±65 247±5 10.3 22.1±.2 5,830±190 21.8±.2 5,380±190 120.1  
                22.0 5,300 122.0  
220 2,918 2,589-3,272 1,667±73 222±5 9.2 23.1±.3 5,470±190 22.7±.3 5,040±190 128.5  
                23.0 4,930 131.6  
230 3,250 2,884-3,644 1,857±81 199±5 8.3 24 1±.3 5,110±190 23.6±.3 4,700±180 137.7  
                24.0 4,580 141.5  
240 3,621 3,213-4,060 2,069±90 179±4 7.5 25.2±.3 4,860±180 24.6±.3 4,400±170 147.2  
                25.0 4,290 160.8  
250 4,034 3,580-4,523 2,305±100 160±4 6.7 26.3±.4 4,550±180 25.7±.4 4,110±170 157.0  
                26.0 4,040 159.9  
260 4,494 3,988-5,039 2,568±112 144±4 6.0 27.4±.4 4,250±180 26.8±.4 3,860±170 167.7  
                27.0 3,810 170.2  
270 5,007 4,443-5,614 2,861±125 129±4 5.4 28.3±.4 3,910±170 27.8±.4 3,590±170 180.1  
                28.0 3,530 183.3  
280 5,579 4,951-6,255 3,188±139 116±4 4 8 29.2±.4 3,650±170 28.7±.4 3,330±170 194.4  
                29.0 3,230 200.5  
290 6,216 5,516-6,970 3,552±155 104±3 43 30.0±.4 3,360±170 29.5±.4 3,070±140 210.7  
                30.0 2,880 224.1  
300 6,927 6,147-7,767 3,958±172 93±3 3.9 30.7±.4 3,070±140 30.2±.4 2,810±130 229.4  
310 7,718 6,849-8,654 4,410±192 84±3 a 5 31.3±.4 2,790±140 30.9±.4 2,600±130 249.8  
                31.0 2,560 253.7  
320 8,601 7,632-9,644 4,915±214 75±3 a 1 31.9±.4 2,520±130 31.5±.4 2,360±130 273.0  
326 9,178 8,144-10,291 5,245±228 71±3 3.0 32.3±.4 2,420±130 ‡31.9±.4 2,260±5130 287.7  

* See table V.
† Mean displacement during data period.
‡ Estimated speed at designed shaft horsepower (120,000 s.h.p.).

--114--

DATA PERIOD 1944-1945  
CA 68 CLASS
SHIPS IN CLASS:
CA 68-75, 122-133, 135-138

Table II.--WAR LOGISTICS DATA: UNDERWAY AVERAGES

Average speed Fuel rate Endurance*
R.P.M. Knots Bbl./day Days
170.3 17.9 1,113±245 13.8±1.1
*Based on radius oil; see table V.

Table III.--WAR LOGISTICS DATA: NOT UNDERWAY

Fuel rate Endurance*
Gal./hr. Bbl./day Days
250 143 107.8
*Based on radius oil; see table V.

Table IV.--PROPELLER SPECIFICATIONS

[Note: All underway data are based on the propellers specified below, in the case of ships
whose propellers do not conform to these specifications, see discussion of table IV in Introduction.]

Number of propellers Number of blades Diameter Pitch
2 inboard 4 12'2" 12'6"
2 outboard 4 12'2" 12'6"

Table V.--FUEL CAPACITIES

Capacity Gallons Barrels Tons
"Full load" fuel oil capacity§ 623,250 14,839 2,250
Diesel oil capacity (95%) 23,864 568 76
Total: radius oil* 647,114 15,407 2,326
Additional fuel oil required to fill all tanks to 95% (emergency) 73,959 1,761 267
Total: maximum capacity (95%† 721,073 17,168 2,593

Table IA.--WAR LOGISTICS DATA FOR STEADY STEAMING

BASED ON MAXIMUM CAPACITY (95)*

[Note: Fueling beyond the radius oil capacity increases radius at the expense of resistance
to underwater damage. This table is made available to the commander as a supplement to table I
for use when increased radius and decreased resistance to underwater damage are factors in a decision.]

Speed Radius Endurance Fuel rate
Mean displacement 17,000 tons
Knots Engine miles Days Bbl./day
11 9,420 35.8 482
12 9,320 32.4 531
13 9,160 29.4 585
14 8,940 26.7 645
15 8,690 24 2 711
16 8,410 22.0 784
17 8,030 19.7 873
18 7,530 17.4 984
19 7,140 15.7 1,095
20 6,760 14 2 1,221
21 6,300 12.6 1,374
22 5,910 11.3 1,535
23 5,490 9.9 1,730
24 5,100 8.9 1,942
25 4,780 8.0 2,155
26 4,500 7.2 2,377
27 4,250 6.6 2,627
28 3,930 5.9 2,934
29 3,600 5.1 3,324
30 3,210 4.5 3,842
31 2,850 3.8 4,494
*See table V.

Table VI.--STEADY STEAMING MEAN FUEL RATE RATIOS*

Ship Average displacement Fuel rate ratio--Ship: Class
100 R.P.M. 150 R.P.M. 200 R.P.M. 250 R.P.M. 300 R.P.M.
  Tons Percent Percent Percent Percent Percent
U.S.S. Baltimore CA 68 17,000 114 1 110.7 107.3 103.9 100.6
U.S.S. Boston CA 69 16,400 105.6 103.6 101.6 99.5 97.4
U.S.S. Canberra CA 70 17,300 89.2 93.3 97.6 102.0 106.5
U.S.S. Quincy CA 71 17,200 91.2 92.4 93.5 94 6 95.6
*Table VI is used to adjust the class data in tables I and IA to individual ships.
The ratios were obtained by dividing the steady steaming mean fuel rates of the indicated ships
by the corresponding mean fuel rates given in column (2) of table I.

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[B L A N K]

--116--

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