Mailing List flyrotary@lancaironline.net Message #55378
From: Ernest Christley <echristley@att.net>
Subject: Re: [FlyRotary] Filterless Values of MAP FlyRotary] Re: Blower does work
Date: Mon, 20 Jun 2011 12:37:22 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Ed Anderson wrote:
Regarding the Filterless values - in looking at your photo, if all you do is remove the filter and leave the curved intake tube in place - then what you may be getting is a prop effect of the wind blast past the end of the tube - causing a possible lowering of pressure in the tube (siphoning out the air trying to go down the tube) - just a WAG.


Not a bad WAG.  What I actually did was remove the elbow with the filter.  The throttle body was bare, sucking straight from the prop "blast", or at least what there was of a blast.  It would make sense that the MAP sensor would be wide open to wild fluctuations.
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