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From: "Bill Bradburry" <bbradburry@bellsouth.net>
To: "'Rotary motors in aircraft'" <flyrotary@lancaironline.net>
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Subject: RE: [FlyRotary] Re: It won't run no more
Date: Wed, 2 May 2012 16:45:21 -0400
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Ernest,

There is a Schrader valve in the end of the hose that has the two O-rings on
it.  That valve will cause the tester to pump up and stay up at the max
pressure if you are testing a piston.  To test the rotary, you would remove
that valve and watch the gage to see where it goes as each face rolls by the
plug.

There is another Schrader valve just under the gage that has a valve stem
cap on it.  It looks like a black button in the picture.  That is to release
the pressure after you have pumped it up with the piston.  Don't remove that
valve or the tester will not work for either engine type.

B2

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
Behalf Of Ernest Christley
Sent: Wednesday, May 02, 2012 9:38 AM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: It won't run no more

Lehanover@aol.com wrote:
> Get the kind that has a hose and the Spark plug replica that seals with
> an "O" ring. Easy to use in tight spaces. No tools required to install it.
>  
> Lynn E. Hanover
>  
> In a message dated 5/1/2012 10:44:02 P.M. Eastern Daylight Time,
> echristley@att.net writes:
> 
>     I don't have a compressiion tester yet.

Like this one?

http://www.jegs.com/i/Sunpro/885/CP7827/10002/-1

Where is the schrader valve you were saying needs to be removed?

I'm assuming the procedure is to spin the engine with the starter and
eyeball the needle to see where it is maxing out?

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