On Mon, 7 Jun 2004 [EMAIL PROTECTED] wrote:
> ...Better still would be to keep both of the easy problems and
> get rid of the hard problems...
Unfortunately, since both of your ideas involve adding engines, they both
move John back to a hard engine problem that he's trying to avoid: making
multiple engines with closely-matched behavior, to avoid transient thrust
imbalances, especially during startup.
> 2) Go back to your original four-engine configuration, with each engine
> having one jet vane, oriented radially. You can put all the servos in the
> centre facing outward. This should give you greater control, especially for
> roll.
Roll control is generally a very minor issue, especially in a single-engine
vehicle that has no reason to have significant stray torques on that axis.
Henry Spencer
[EMAIL PROTECTED]
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