Re: FW: Model Rocket Plan

--- Pierce Nichols <[email protected]> wrote:
> On Sun, 2004-08-29 at 20:04, Rick Eversole wrote:
> > On the other hand, using just one motor (nozzle)
> with movable deflection
> > plates in the exhaust stream would seem much
> better:  The displacements
> > could be calibrated with the motor off, and the
> relatively low temperatures,
> > I think, would mean that the deflection plates
> would not have to be of
> > special refractory material.  Of course, corrosive
> ablation might be an
> > issue.
> 
> 	If we go this kind of route, we can have BoJo make
> use deflectors out
> of silicon carbide relatively cheap. Wire EDM is
> magical. With eight
> deflectors, you can even get roll control this way. 

Why not just six?  Two for each axis you wish to
control: roll, pitch, and yaw.