Mailing List flyrotary@lancaironline.net Message #20008
From: Jim Sower <canarder@frontiernet.net>
Subject: Re: [FlyRotary] Re: The Verdit! c wasRe: [FlyRotary] No Joy on Sun & Fun{:<(
Date: Sun, 10 Apr 2005 20:01:14 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
What if one were to check a plug by installing it in an old rotor housing, and if it came within 1 mm or so from the chamber, add a gasket to that plug to shim it at least 1 mm clear of the apex seals?
Provided you don't have taper seat plugs ... Jim S.

Lehanover@aol.com wrote:

In a message dated 4/10/2005 6:39:14 PM Central Daylight Time, eanderson@carolina.rr.com writes:

<<  It appears the apex seal did bounce over that curve part for a while and either the apex seals finally gave way or the springs under them did.  Perhaps Lynn would know if its possible to break the springs while leaving the seal intact.   >>

Up to now I have not tried the "Ski Jumping" apex seal idea, so, I don't know how long the springs will last. I think that normal flex would not affect them, but once at RPM the gentle ramp idea becomes quite a shock to the spring and that would reduce the spring to a multi part kit in short order. Retracted gap plugs don't touch anything.

Lynn E. Hanover  

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