Blue Origins, update |
Blue Origins, update |
Jan 4 2007, 02:47 AM
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#1
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Member ![]() ![]() ![]() Group: Members Posts: 162 Joined: 16-March 05 From: Oakville, Ontario, Canada Member No.: 201 |
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Jan 6 2007, 11:55 AM
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#2
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Rover Driver ![]() ![]() ![]() Group: Members Posts: 981 Joined: 4-March 04 Member No.: 47 |
if you do a Hohmann-style rendezvous, you mean that you get there at apogee? Then your speed will be much smaller than a LEO station/satellite. In order to rendezvous you need to match speed as well, which basically means you need to be in LEO as well in this case, so it won't be suborbital anymore. You could drop something which has its own engines to get to LEO of course, but I think that won't be a very efficient way of getting stuff to LEO.
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Jan 6 2007, 01:50 PM
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#3
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![]() Senior Member ![]() ![]() ![]() ![]() Group: Members Posts: 2488 Joined: 17-April 05 From: Glasgow, Scotland, UK Member No.: 239 |
Absolutely!
Going straight up with a VTVL first stage, then ejecting an upper stage which blasts sideways until it's in orbit, could just just about be done. It might even be 'efficient' insofar as the first stage would return to it's launch site with no down-range infrastructure, but in energy terms it would be far from efficient (so much so that even for a large first stage the orbital payload might be of trivial size). Bob Shaw -------------------- Remember: Time Flies like the wind - but Fruit Flies like bananas!
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jabe Blue Origins Jan 4 2007, 02:47 AM
helvick I was always a fan of the DC-X concept so this rea... Jan 4 2007, 09:42 AM
djellison Well - consider the Atlas-Mercury flights. That w... Jan 4 2007, 10:04 AM
tty The first stage of Titan I had genuine SSTO capabi... Jan 4 2007, 11:16 AM
edstrick With adequate heat shielding, a vehicle derived fr... Jan 4 2007, 12:53 PM
Bob Shaw Back in the 1960s there were a number of paper stu... Jan 4 2007, 08:27 PM
climber The goal here is "only" to get to 100 km... Jan 4 2007, 08:19 PM
nprev As a side note, this test is getting a lot of medi... Jan 5 2007, 01:36 AM
edstrick X33 was a good idea to follow up the DC-X with, bu... Jan 5 2007, 09:50 AM
nprev With respect to Blue Origin, a friend of mine ... Jan 6 2007, 12:52 AM
Bob Shaw QUOTE (nprev @ Jan 6 2007, 12:52 AM) un-n... Jan 6 2007, 01:32 AM
nprev Wellll....I'm not much of an orbitsmith yet, B... Jan 6 2007, 02:58 AM
nprev Yeah (sigh), that's probably quite true; a use... Jan 7 2007, 03:47 AM
Jim from NSF.com QUOTE (nprev @ Jan 6 2007, 10:47 PM) Yeah... Jan 9 2007, 06:35 PM
edstrick I have wondered if a 2 stage double DC-X type migh... Jan 7 2007, 09:51 AM
Bob Shaw I think the word you're looking for is 'Ki... Jan 7 2007, 01:48 PM
edstrick The Kstler vehicles are being soft <parachute a... Jan 8 2007, 12:22 PM
djellison With such high gravity to fight against, and a nic... Jan 8 2007, 01:03 PM
AndyG QUOTE (djellison @ Jan 8 2007, 01:03 PM) ... Jan 8 2007, 02:55 PM
mcaplinger QUOTE (AndyG @ Jan 8 2007, 06:55 AM) Comp... Jan 8 2007, 04:35 PM
climber QUOTE (mcaplinger @ Jan 8 2007, 05:35 PM)... Jan 8 2007, 07:48 PM
Bob Shaw QUOTE (climber @ Jan 8 2007, 07:48 PM) I ... Jan 8 2007, 10:22 PM
mchan QUOTE (Bob Shaw @ Jan 8 2007, 02:22 PM) S... Jan 9 2007, 03:53 AM
Bob Shaw QUOTE (mchan @ Jan 9 2007, 03:53 AM) Ahh,... Jan 9 2007, 08:37 AM
nprev Well, it actually was just a back-of-the envelope ... Jan 11 2007, 02:07 AM
edstrick Landing an Apollo like capsule on rockets is -- of... Jan 11 2007, 12:21 PM![]() ![]() |
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