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Hello James, I have a stock 13b ( estimated 150 hp) with RWS equipment. I used a racing aluminum flywheel and removed the steel clutch facing. Then I resized the RWS splined hub to fit. Basically I copied RWS by making a new plate and riveting on the RWS splined hub to my new plate. Because the new plate is a smaller OD I used 6 bolts instead of 4. I used the same durometer rubber cushions. Thanks, Dave Williams From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Friday, October 15, 2021 6:27 PM
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: flex plate Dave, do you have a recommendation for a lightweight flywheel and flexplate/ damper (brand or type) for a 250hp 13b? Thanks, James Whitehurst But you should know that those are prone to cracking, and I had a catastrophic failure of one. They were never designed to carry the output load of the engine, just as a way to engage the starter. Tracey published a revision in the archives, or you can convert a manual fly wheel to work. I suggest lightweight aftermarket versions. Thought so, thanks Can anyone confirm which flex plate fits the RWS redrive? I believe it comes from a 92 model RX7. But is it from an automatic, manual or turbo model? All are different apparently. Thanks Neil.
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