Re: Delta 4 - The fix is in
From: Jim Davis (jimdavis2_at_earthlink.net)
Date: 03/18/05
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Date: 18 Mar 2005 00:43:53 GMT
Ed Kyle wrote:
> By contrast, Atlas V CCB tank pressurization is provided by
> helium bottles and a regulation system that is completely
> independant of the RD-180 engine.
Does this have anything to do with the RD-180 being a staged
combustion engine and the RS-68 being a gas generator engine?
Does the RS-68 have a fuel-rich or oxidizer-rich gas generator? Fuel
rich is more common but it seems odd to pressurize an LO2 tank with a
fuel rich exhaust.
Jim Davis
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