Gyros: Rate & Heading Hold.
Specifically relates to R/C model helicopter but will be of more general
interest.
Mechanical and piezo styles discussed.

        http://www.heliproz.com/jwgyros.html

Also has links to other model helicopter stuff

Ref from ARocket.

___________________________________________________________
If we have already accidentally created an unexpectedly lethal virus
by single gene transfer, why should we believe that it might not happen
again, once or on numerous occasions in future, but in less controlled
circumstances?

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