Tom Parkes,
MSD gave me a good deal on a knock sensor so I am going to loan it
to you for testing as you are the only one I know flying a turbo
rotary right at the moment.

It has both visual and audible warnings of combustion knock.
I suggest you mount it on the forward rotor ( as mounted in a tractor) 
as that tends to run hotter than the other two on a three rotor.

Send me your shipping address by private email.

Paul Lamar
 
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