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Odd. My Ross used a custom 1/2" (I think) ALU plate with the starter ring gear crimped onto it.
That plate bolts onto the automatic counterweight.
The dampener assembly (with the spline for the input shaft) then bolts onto the ALU plate with 9 or 12 8mm allan head bolts, with 1/2" or maybe 3/4" ALU spacers between the dampener assembly and ALU plate.
Finn
Ernest Christley wrote:
Paul wrote:
What do the bolts screw into? Rivnuts? A backing plate?
The bolts screw directly into the existing holes on the automatic transmission flex plate. (which I used to think was a flywheel, until several helpful members of the Fly Rotary list helped to educate me). Paul Conner
I've read this several times, and still not quite sure I can believe it. The flex plate I have is thin. In the .040" range thin. I realize that it will all be shear forces, but can 9 threaded holes be expected to take the 800ft/lb of reaction forces that a typical NA engine is expected to put out?
(I believe I got the 800ft/lb number out of the discussion of the Schwertz beam motor mount on PL website). Just doesn't seem like it could hold up.
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