mike robel - 6/9/2006 4:41 AMRoss,I guess I forgot: 3 or 4 SSMEs in the core stage?
mike robel - 6/9/2006 4:41 AMWhy an ATV in your CEV/ATV launch diagram? Why not just a cargo module that the CEV would deliver (or other self-contained space station module)?
kraisee - 5/9/2006 2:16 AMAlso posting this here.
mike robel - 5/9/2006 11:41 PMRoss,I guess I forgot: 3 or 4 SSMEs in the core stage?
Why an ATV in your CEV/ATV launch diagram? Why not just a cargo module that the CEV would deliver (or other self-contained space station module)?
I like the idea, it seems to have minimum change. Agree with Jim that its a little overkill in terms of capacity for the CEV only, but we could orbit some whomping big cargo modules in additon to crew rotations, as well as have high capacity boosters for future projects.
Norm Hartnett - 6/9/2006 1:57 PMQuotekraisee - 5/9/2006 2:16 AMAlso posting this here.Gads, that sure is a good looking vehicle. To bad NASA isn't going to develop it.
I don't think I ever saw a full costing on this. Are you doing one or did I miss it?
Norm Hartnett - 7/9/2006 12:20 PMIf the CEV initial orbit criteria are as they are now you would have a very limited amount of time to get mated and have the SM (presumably much bigger) get your short stack into a safe orbit
Norm Hartnett - 7/9/2006 9:50 AMAnother thing that just popped into my mind. The Apollo capsule docking to the LEM/TLI stack (or the CEV docking to the LSAM/EDS) was a small mass bumping into a big mass. With Direct you have two dockings. A small mass bumping into a slightly bigger mass and then two more almost equal masses bumping into each other. Elastic collisions with near equal masses do not lend themselves to hard docks.
yinzer - 7/9/2006 12:59 PMQuoteNorm Hartnett - 7/9/2006 9:50 AMAnother thing that just popped into my mind. The Apollo capsule docking to the LEM/TLI stack (or the CEV docking to the LSAM/EDS) was a small mass bumping into a big mass. With Direct you have two dockings. A small mass bumping into a slightly bigger mass and then two more almost equal masses bumping into each other. Elastic collisions with near equal masses do not lend themselves to hard docks.Sure they do. The ISS is rapidly approaching the weight of the Shuttle Orbiter, and they dock just fine.
HailColumbia - 7/9/2006 1:23 PMWhat about using the LSAM to perform the burn to a safe orbit while still in the adapter? You would have to redesign the adapter probably, but, as its an imaginary adapter anyway, thats not a big deal. (and of course you would lose precious decent propellent)
rsp1202 - 6/9/2006 8:21 PMI agree; the crew launcher (Ares 1B?) has changed from a sow's ear into a silk purse. (Though I don't know why LM added the little button nose to the LES/boost protective cover.) Now, suggest a clever way of docking the CEV/LSAM to the EDS on the cargo hauler (Ares 1C?), and I'm sold. I also must have missed something: you're saving the Ares V for Mars?