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TimothyC

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Posts posted by TimothyC

  1. 8 hours ago, NeoFatalis said:

    Is this me or it actually has a cover around it's engine?

    It is. The idea was to keep the command module at the same height as the Standard Lunar Saturn V, but they didn't have the space in the SLA for the SPS's bell, so they had to use a short service module, and place the entire engine with bell in the volume of the standard service module.

  2. Ok, getting back to this, the first thing you have to remember is that TIMBERWIND never produced even a full-up prototype - just prototype-of-a-prototype subcomponents (work on fuel elements, composite turbines, ect.)

    You can get a lot of info on it here, on DTIC. Like most NTR engines, you don't end up with a lot of plumbing or components around the reactor giving it a very simple look. I'd look at the numerous NTR images from the late 1990s and early 2000s as they were often based on TIMBERWIND technologies.

  3. 1 hour ago, VenomousRequiem said:

    @TimothyC What do you know about Project Timber Wind? I need some reference for the smaller nuclear engine! I'm coming up pretty dry, and you're my reference dude.

    4ldcAtD.png

    To be honest, i don't like it.

    This:

    pizQRy9.png

    And this:

    aeJghh0.gif

    Is currently all I have to work with.

    I think that the second image isn't from TIMBERWIND, but from earlier NTR work (hence the Titan IIIM, not a Titan IV. I do have some references at home, but alas I am not there at the moment.

  4. 13 minutes ago, minepagan said:

    Couldn't we also use that for the Titan from EELVP 2 in ETS?

    Either way, more 3.125m parts would be awesome!

    I don't remember what was written about the ETS Titan V with respect to dimensions - but LDC Titan likely means we get the UA-156X SRMs, which translate to 2.5m solids, allowing a full family of Solid Single Sticks from 1.5m to 3.75m (eventually with the AJ-260).

  5. 2 hours ago, Jso said:

    Try it now. It's a bit lighter. I updated the engine specs from here, that's all I could find. Balloon tanks are a no go in pure stock but we can do that for the rescales.

    Oh, that is much better. Without a third stage I can almost send a small probe to Eve on day 1 (NASA would have needed the JPL 6K stage to do the same).

  6. @Jso One issue I have with Vejur is the mass. Right now, the dry mass for Vejur is in excess of that of the Muo-D at burnout. I'd lower that down from the three-and-change tonnes it is now to the one and a half to two ton range. Remember, the real thing would have only massed a tonne or so, and had a mass fraction in the 90% range (balloon tanks for the win). While the Inon stage has a similar mass fraction as Vejur (~.64-.70), it is also only one third of the dry mass. I know that hitting the balance point is hard, but I'm pretty sure that she's not there yet.

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