REFLECTOR: low end idle speed

[Scott Derrick]

Doug,

glad you found the problem. 950 is way way to high.  You'd float for a mile.

The lower the idle speed the better for landing. I had my IO360 with a 
single Lightspeed set at 500 rpm smooth idle on the ground,  which 
resulted in a flight idle of about 650-800, depending on my speed and 
descent rate.  Before the Lightspeed I couldn't idle it below 750, below 
that and it was just too rough. Setting it at 500 greatly reduced my 
roll out distance on landing.

Scott

Douglas Holub wrote:
> 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?
>  
> Doug Holub
> 
> 
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