Paul,

Torsion plate connection, Milo


That is what Ross used. Ken Welter destroyed a couple of them. With a belt no less.
Springs don't damp. That is why cars have shock absorbers.

Here is my suggestion. Use silicon rubber. It is tough as nails  and is high temp.
Comes in a tube at the hardware store or you can buy it at MacMaster in cured sheet form.

Absorb that torsional vibration in the form of heat.

Paul Lamar


Paul ,
I am aware of Daves failure and have already cut down a regular flywheel. Will use the current setup on a test stand only. This setup is just for testing purposes. Thanks for the suggstions,

Milo



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