Here is an interesting subject that I have not seen discussed in

my

years on this list.
Has anyone tried to duplicate the overriding clutch or whatever

it

is/was on the "twin pack" rotary set up done by that European

outfit

several years ago? Can't remember the name (Swiss company?), I

think

they are out of business. Anyhow, it seems a very elegant solution

to a

high hp redundant twin, esp for helicopters or even a large cabin

class

craft.
How did that tranny work? The engines were side by side.

BTW, any word on those PT6 gear drives?
[Marc Wiese]

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