Hayabusa - The Return To Earth, The voyage home |
Hayabusa - The Return To Earth, The voyage home |
Nov 28 2005, 03:08 PM
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Member Group: Members Posts: 510 Joined: 17-March 05 From: Southeast Michigan Member No.: 209 |
...starting a new thread for Hayabusa's sampling feedback and the return voyage.
After its nail-biting success in November, will there be enough fuel for the Falcon to make it home? -------------------- --O'Dave
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Dec 9 2005, 05:17 PM
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#2
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Senior Member Group: Members Posts: 1636 Joined: 9-May 05 From: Lima, Peru Member No.: 385 |
Hope that Hayabusa has a match fire on their side for just in the case that the ion engine won't also be able to be ignited....
I am pessimist of a good trail of "mishapes". Rodolfo |
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Dec 9 2005, 07:11 PM
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#3
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Member Group: Members Posts: 624 Joined: 10-August 05 Member No.: 460 |
Since the xenon was not intended to be used as an attitude control gas, Are they using a venting valve to adjust the spin and attitude, or can they run zenon into the attitude control system?
In either case, the calculations are quite complex: They would have to maintain a slow rotation rate, and vent the gas at just the precise moment for the right percentage of the roll to adjust the tilt. It would take a very careful trial-and-error assessments to do this (the ultimate $170million dollar video game...and a lot of Lipovan |
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