Subject: Slide throttle back plate
From: Rotary Engine
Date: 4/6/2007, 9:50 AM
To: AARotary Engine


Hi Paul-

Recevied the back plate for the slide throttle.  I see now what you
meant about being 90-egrees out of rotation.

Is there any reason I can't simply drill new holes into the pport
flanges that align with the existing plate holes?  A quick eyeball shows
they will be roughly evenly spaced between the existing holes in the
flanges.  Seems a lot easier than making a new plate, or drilling new
holes in the plate & then sealing the old ones.

mrs

That will work. Six holes are over kill. Doc's new slide throttle
has only has four. Don't forget to seal it with the gasket material.
-- 
Paul Lamar ...No rotor no motor.

It has been suggested that we use the Lycoming method of gasketing the case
halves for the slide throttle spacer to cover plate. The method is to apply
a thin layer of form-a-gasket to the mating parts and embed a silk thread in
the sealant and bolt it together.

On the face of it, this appears to be a robust and low cost solution. Is
this an acceptable method of sealing the slide throttle?

Doc Custer
Retired Software Engineer and sometime Audiologist

The question is; how well does it stand up to gasoline?
The gasket material I specified specifically calls out
hot oil resistance. Also alcohol now seems to be an issue.
Can you do a test on it Doc?

Paul Lamar ...No rotor no motor.

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