REFLECTOR: low end idle speed

[steve korney]

My IO-360 idles as low as 250 rpm's... Something must be wrong with the fuel system...

Best... Steve



Date: Thu, 15 Jan 2009 06:54:26 -0800
From: aminetech at bluefrog.com
To: reflector at tvbf.org
Subject: Re: REFLECTOR: low end idle speed

I have my Franklin idle set at an estimated 700 rpm.  I say estimated because it won't idle at that speed and I keep it at 900 by not pulling the throttle out all the way.  This gives me extra slowing ability when landing.  A rough engine is my reminder to add a little throttle during roll out.
 
John

--- douglas.holub at gmail.com wrote:

From: "Douglas Holub" <douglas.holub at gmail.com>
To: <reflector at tvbf.org>
Subject: REFLECTOR: low end idle speed
Date: Thu, 15 Jan 2009 08:31:15 -0600


My ECI IOX-360 with dual Plasma IIIs won't idle less than 950 RPMs, and I was expecting to get it down to 800. It runs smooth and strong at all speeds. With full throttle I get 2320 static RPMs at 28.7 MAP with the fixed pitch Prince 68/78 prop. I've calibrated the ECI fuel injection using ECI's calibration kit. There's just no where to go mechanically less than 950 RPMs. 
 
I remember from transition training that if I didn't pull the power all the way back while landing, the Velocity would float forever down the runway, but I don't remember what the low end idle speed was on the factory trainer, and anyway, it had a constant speed prop. Am I going to have any trouble landing at 950 RPMs?
 
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