Quote from: Danderman on 03/18/2011 03:58 pmWhat I don't understand is why this hardware is not used for EELV for LEO payloads. Yeah, I know that there aren't any actual LEO payloads that need it today, but there are plenty of potential payloads, like Orion.The DIV Heavy upperstage is larger and the current Centaur carries nearly the same amount of propellant.
What I don't understand is why this hardware is not used for EELV for LEO payloads. Yeah, I know that there aren't any actual LEO payloads that need it today, but there are plenty of potential payloads, like Orion.
Dual engine Centaur is a growth option for A-V. It's offered but never been ordered.
Quote from: bobthemonkey on 03/18/2011 10:47 pmDual engine Centaur is a growth option for A-V. It's offered but never been ordered. Untrue, there was a single Dual-Engine Centaur order, on an Atlas III launch. It is of the older style, with mechanical vs electronic controls, but the rest of the systems are the same.
Sorry for the necromancy, but I just found a bunch of images of the sole Centaur-G on display. Enjoy!
There were retractable umbilicals (Rolling Beam Umbilical System) on the top of the TSM's which mated with panels on the sides of the orbiter, towards the rear of the payload bay.The LO2/LH2 were to be dumped during aborts thru the side panels. There was a H2 vent on top of the tail.
Quote from: Jim on 05/03/2006 11:50 amThere were retractable umbilicals (Rolling Beam Umbilical System) on the top of the TSM's which mated with panels on the sides of the orbiter, towards the rear of the payload bay.The LO2/LH2 were to be dumped during aborts thru the side panels. There was a H2 vent on top of the tail.That's pretty fascinating. Any ideas where might one find descriptions / schematics of how this worked? (For that matter, I've yet to come across a primer on how the standard umbilicals work.) I gather Challenger was fitted out with the necessary equipment at the time it was lost. Does Atlantis still have any of this hardware aboard or was it swapped out over the years?EDIT: Some good discussion begins here: http://forum.nasaspaceflight.com/index.php?topic=17437.msg632423#msg632423
Quote from: Jim on 05/01/2010 11:19 pmQuote from: DaveS on 05/01/2010 10:14 pmQuote from: Jim on 05/01/2010 08:50 pmI also got the top level configuration drawings.No way you could scan those?They are full size, I only have a 8x 11 scanner.No way you could scan them in segments and then use a photo-editing program to stitch them back together? If you can scan and post the segments, I can stitch them back together into the full images.
Quote from: DaveS on 05/01/2010 10:14 pmQuote from: Jim on 05/01/2010 08:50 pmI also got the top level configuration drawings.No way you could scan those?They are full size, I only have a 8x 11 scanner.
Quote from: Jim on 05/01/2010 08:50 pmI also got the top level configuration drawings.No way you could scan those?
I also got the top level configuration drawings.
Quote from: jsmjr on 04/09/2011 09:12 pmQuote from: Jim on 05/03/2006 11:50 amThere were retractable umbilicals (Rolling Beam Umbilical System) on the top of the TSM's which mated with panels on the sides of the orbiter, towards the rear of the payload bay.The LO2/LH2 were to be dumped during aborts thru the side panels. There was a H2 vent on top of the tail.That's pretty fascinating. Any ideas where might one find descriptions / schematics of how this worked? (For that matter, I've yet to come across a primer on how the standard umbilicals work.) I gather Challenger was fitted out with the necessary equipment at the time it was lost. Does Atlantis still have any of this hardware aboard or was it swapped out over the years?EDIT: Some good discussion begins here: http://forum.nasaspaceflight.com/index.php?topic=17437.msg632423#msg632423Here you go: A technical document on the RBUS hardware:
Always amuses me that they have a pump running 24/7 to keep the monocoque tanks pressurized!F=ma
Couldn't the Centaur-G, had it not been cancelled, launch the Magellan probe after the Ulysses and Galileo?
Quote from: longdrivechampion102 on 11/15/2012 07:37 pmCouldn't the Centaur-G, had it not been cancelled, launch the Magellan probe after the Ulysses and Galileo?Why? The IUS was quiet sufficient for the job of hauling Magellan to Venus.
Quote from: Ares67 on 11/15/2012 07:51 pmQuote from: longdrivechampion102 on 11/15/2012 07:37 pmCouldn't the Centaur-G, had it not been cancelled, launch the Magellan probe after the Ulysses and Galileo?Why? The IUS was quiet sufficient for the job of hauling Magellan to Venus.It was originally planned for Centaur-G