REFLECTOR: Carburated Auto engine

[Wayne]

I had a crank angle sensor  partial failure in flight. I'm working with 
Tracy now on a version of his system to fit my Soob 3.3 L
----- Original Message ----- 
From: "Jim Sower" <canarder at frontiernet.net>
To: "Velocity Aircraft Owners and Builders list" <reflector at tvbf.org>
Sent: Tuesday, November 23, 2004 10:54 AM
Subject: Re: REFLECTOR: Carburated Auto engine


> Tracy Crook of  www.realworldsolutions.com  has an ECM that the whole 
> system is duplexed - you run on the A side or the B side (and alternate 
> from flight to flight).  Redundant sensors and everything IIRC.
> Might help ... Jim S.
>
>
> NMFlyer1 at aol.com wrote:
>
>> I had the same options when I designed my V-6 powerplant.  There are 
>> plenty of computer programs (specially for the LT1) that tuning and 
>> monitoring the EFI system are relatively easy. My sole concern of the EFI 
>> system is the main processor.
>>  Most modern ECM's do have a "limp home mode".... that many don't 
>> completely understand. The "limp home mode" only works if the system has 
>> malfunctions/failures in the sensors.  IT DOES NOT HAVE A BACKUP IF THE 
>> ECM ITSELF FAILS!! Since I have had 3 seperate computer failures, on 3 
>> different types of automobiles, all without warning. That was 
>> unacceptable.
>>  There is no doubt that a computerized EFI would be the most efficient. 
>> It was just my choice not to trust the processor. By far, the least 
>> efficient would be the carb.  But; they are the good ole technology.
>>  I chose the multi port Airflow Performance system for my own 
>> application, but I believe the Ellison Throttle body is a good choice 
>> too. All the best,    Kurt
>>
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