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Date: Tue, 01 May 2012 13:42:33 -0400
From: Ernest Christley <echristley@att.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: It won't run no more
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I'll post a video this evening.


Bill Bradburry wrote:
> Is that a ker-chunk ker-chunk or a ploop ploop?  :>)
> 
> B2
> 
> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On
> Behalf Of Ernest Christley
> Sent: Tuesday, May 01, 2012 1:17 PM
> To: Rotary motors in aircraft
> Subject: [FlyRotary] Re: It won't run no more
> 
> Lehanover@aol.com wrote:
>> The rotary when parked has the exhaust ports open to the exhaust system.
>> So the inside of the engine is available to mice and spiders and air
>> with moisture in it. So every so often an apex seal will get rusted into
>> the slot and after one revolution will stick in the lowest position in
>> its cycle. Then you have a low compression on one or both rotors. Note
>> that one leaking apex seals affects two combustion chambers.
>>  
> 
> Pulling the blade through one revolution give me a little more that six
> solid ker-chunks from the engine with my 3.14
> gearbox ratio.  Would that indicate a good seal, or with that just be an
> unreliable first approximation?
> 
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