Mailing List flyrotary@lancaironline.net Message #36123
From: Tracy Crook <lors01@msn.com>
Subject: Re: [FlyRotary] Re: The truth??? / Injector flow rate mystery solved
Date: Mon, 12 Mar 2007 10:45:46 -0400
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In a word, Big.
 
  But in the end, it really does not matter.   Ed and I have found that after calibration (compensating for all the cumulative errors), the flow reading error under cruise conditions is insignificant.  It might be intellectually gratifying to know how much error there is in all 23 sources  but that would be time spent not building and not flying.  A bad trade.  But if someone wants to hunt them down and report on them, I'll listen with interest!
 
Tracy (back to working on the -8, and waiting on Bluemountain - Arrrgghh.....)
----- Original Message -----
Sent: Monday, March 12, 2007 10:17 AM
Subject: [FlyRotary] Re: The truth??? / Injector flow rate mystery solved

Guys, sorry for the interruption....

How much error is really being seen? 
 
Back in my early days at Bosch GmbH (I worked in the IC Center in Reutlingen, GErmany) on the fuel injectors, and with the BMW system on calibration.   It's been a while, but at the time we had come up with something like 23 sources of errors on "pulse width" vs. "fuel flow measurement".  
 
Sorry for being such a dummy, but I'm having a hard time trying to figure out just how much error is involved, and under what rpm range (idle, cruise, high speed cruise, WOT).   
 
Tom Walter
(digest mode)
 
 
 
 
 


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