Mailing List flyrotary@lancaironline.net Message #22133
From: Al Gietzen <ALVentures@cox.net>
Subject: RE: [FlyRotary] Re: More MAP measurement questions
Date: Thu, 19 May 2005 09:12:04 -0700
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message

 

Al,Rusty and All,

Excuse my ignorance here, I have absolutely no knowledge about how ECU's work. I've heard people say that it reads MAP settings - so what is a MAP, and if it's different because the pressure is different at different places in the inlet, how can the computer calculate the inlet charge and timing.

I'm confused!

George ( down under)

It is my understanding that the EC2 does not adjust timing but the injectors pulse width only. Is this correct?

Wendell

 

It also adjusts the ignition timing.  I don’t know what the formula is, but I’m sure it uses RPM.

 

Al

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