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  Mercury - Gemini - Apollo
  Gemini 8: Exact wording of the mission rules

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Author Topic:   Gemini 8: Exact wording of the mission rules
Headshot
Member

Posts: 182
From: Streamwood, IL USA
Registered: Feb 2012

posted 05-25-2012 08:47 AM     Click Here to See the Profile for Headshot   Click Here to Email Headshot     Edit/Delete Message   Reply w/Quote
Does anyone know where I can find the Gemini VIII Mission Rules? I would like to see their exact wording.

Fra Mauro
Member

Posts: 1017
From: Maspeth, NY
Registered: Jul 2002

posted 05-30-2012 09:14 AM     Click Here to See the Profile for Fra Mauro   Click Here to Email Fra Mauro     Edit/Delete Message   Reply w/Quote
I don't know the exact rules but they did state that if the re-entry thrusters were used in orbit the vehicle had to land on the next orbit. John Hodge said that these rules were bent on a few occasions.

garymilgrom
Member

Posts: 1571
From: Atlanta, GA, USA
Registered: Feb 2007

posted 05-30-2012 10:29 AM     Click Here to See the Profile for garymilgrom   Click Here to Email garymilgrom     Edit/Delete Message   Reply w/Quote
Fra Mauro - any examples you can share with us? I thought (not) using the re-entry thrusters was a hard and fast rule. Thank you.

Fra Mauro
Member

Posts: 1017
From: Maspeth, NY
Registered: Jul 2002

posted 05-30-2012 11:29 AM     Click Here to See the Profile for Fra Mauro   Click Here to Email Fra Mauro     Edit/Delete Message   Reply w/Quote
The website that I read didn't give any specific examples. The implication was that if the crew hadn't depleted one of the thruster rings, they would have tried to convince Mission Control to continue the flight.

Headshot
Member

Posts: 182
From: Streamwood, IL USA
Registered: Feb 2012

posted 05-30-2012 12:06 PM     Click Here to See the Profile for Headshot   Click Here to Email Headshot     Edit/Delete Message   Reply w/Quote
As info, the crew had not depleted either ring by the time they re-established contact with the ground, although one ring seemed to be close to depletion. The problem was that determining exactly how much propellant and oxidizer remained in the tanks was a bit dicey. As it was, Gemini VIII finally exhausted the propellant in both rings sometime between drogue chute deployment and main chute deployment.

Fra Mauro
Member

Posts: 1017
From: Maspeth, NY
Registered: Jul 2002

posted 05-30-2012 03:15 PM     Click Here to See the Profile for Fra Mauro   Click Here to Email Fra Mauro     Edit/Delete Message   Reply w/Quote
If I was to make an educated guess I would suspect that either Gemini 5 or 7 used re-entry thrusters in orbit near the end of the mission to orient for the de-orbit burn because of either balky thrusters or non-functioning ones.

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