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Virtual AGC
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movieman



Joined: 25 Nov 2004
Posts: 1018

PostPosted: Thu Jun 01, 2006 1:48 pm    Post subject: Reply with quote

There's no TLI program in the Apollo 8 AGC, and I don't think we have automated 'ground-controlled' TLI available yet.... of course I may have missed that Smile.
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Tschachim



Joined: 26 Nov 2004
Posts: 1272

PostPosted: Thu Jun 01, 2006 1:50 pm    Post subject: Reply with quote

Look like movieman is too fast for me today... Wink

Not yet, the Apollo 8 software (Colossus 249) has no TLI burn program. Hopefully LazyD will help us again with the Saturn IU, which does the TLI burn in reality, and with a tool to calculate burn data for P30 for the MCCs, LOI etc.

Cheers
Tschachim
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mikaelanderlund



Joined: 07 Dec 2005
Posts: 57

PostPosted: Thu Jun 01, 2006 2:00 pm    Post subject: Reply with quote

Thanks Tschachim and Movieman for your quick answer! Yes I know TLI was not included in the program but besides that, is it possible to go to moon and back? I mean for the TLI and LOI I can use IMDF or sameting like that. But for the rest of the trip only vAGC?

Mikael
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Tschachim



Joined: 26 Nov 2004
Posts: 1272

PostPosted: Thu Jun 01, 2006 2:21 pm    Post subject: Reply with quote

I didn't try, but this should be possible, if you change the realism mode to "Quickstart" in the Apollo 8 launch scenario (add a "REALISM 0" line as in the Apollo 11 quickstart scenario). Then you can control the SIVB by yourself and use the CSM in the "Orbiter way". Theoretically you can use VAGC P37 for trans earth coast MCC's if you're outside the lunar SOI and do the reentry with the VAGC. AFAIR nobody tried that, it will take some time since max. time acceleration for the VAGC is about 10x and I doubt that state vector integration is precise enough to do such a long flight without realignment, but it would be interesting, of course...

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Tschachim
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mikaelanderlund



Joined: 07 Dec 2005
Posts: 57

PostPosted: Thu Jun 01, 2006 3:18 pm    Post subject: Reply with quote

Ok, I will try it Very Happy . One small step for NASSP 7.0 but a reel big one for me Smile

Mikael
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dseagrav



Joined: 03 Dec 2005
Posts: 216

PostPosted: Thu Jun 08, 2006 7:18 pm    Post subject: Reply with quote

BTW as far as I can tell using the COAS alignment trick doesn't slow anything down at all; I forgot to do the alignment before dropping the S4B a few test runs ago and did it with the SCS and CSM alone; I only cheated by using the killrot key. The computer didn't seem to care and did its thing as normal. I don't see why you couldn't realign during a mission the same way.
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