On Tue, 2004-06-08 at 10:44, Michael Wallis wrote: > The big DISadvantage to gimballing is the technology required to make > it work reliably.
You are thinking of two-axis gimballing with cryogenic propellants,
which is hard. One axis gimballing with room temperature propellants
uses the same technology as jet vanes, minus the high temperature bits.
-p
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