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Steve, Thanks. I just have to work out the clocking of the washer and 24 degrees BTDC. Do you have a pic of the sensor mount? Joe Berki Limo EZ 13b P Port From: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Monday, September 24, 2018 12:35 PM
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Ignition System Kelly, A photo is attached. The offset washer was used to activate the sensor and the flat one was the counterbalance. With enough offset or mounting one on the front of the flexplate and the other on the rear of the damper, one sensor location could be used for two sensors giving 180 degrees crank angle difference for ignition purposes. Steve Boese
Steve, I get the general idea but would you happen to have a photo of the shape of the extended washer needed to activate the sensor.........a photo is worth a thousand words...........<:) On Sun, Sep 23, 2018 at 6:57 PM, Steven W. Boese SBoese@uwyo.edu <flyrotary@lancaironline.net> wrote: Joe, When performing a dynamic balance of the engine and RD-1C, a CAS was mounted in the flexplate area as a position reference. A washer with an extended portion was placed on one of the bolts holding the damper plate to the flexplate to activate the sensor. A washer of equal weight without the extended portion was placed on the opposite bolt to maintain balance. This required no modification of the original parts. Steve Boese
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