Sender: "Marvin Kaye" <marv@lancaironline.net>
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Date: Mon, 17 Jan 2005 22:29:42 -0500
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From: Paul Nafziger <naf@britevalley.com>
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Subject: Re: [LML] Re: IV-P continental detonation
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I would suspect a compressor stall rather than the turbine.  Most of my 
exciting bangs in pure jets have been from the compressor stalling.

Naf

W Atkinson wrote:

> Would not a turbine stall result in a momentary overly rich mixture... 
> leading to extra fuel in the exhaust and a BANG!
>
> Walter
>
>
> On Jan 16, 2005, at 5:05 PM, Charlie Kohler wrote:
>
> This event was a turbine stall .
>  Continental says that the TSI 0550 B. engine should not be operated 
> below 2500 rpm in cruise.  The reason is that cabin pressurization and 
> other loads on the compressor/translate into too much load on the 
> turbine blades causing them to stall.
> A correction for this was made on the E engine.  I believe they said 
> with this turbo we could operate as low as 2400 rpm.
>
> Charlie K.
>
>
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