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Old 08-29-2005 | 09:29 PM
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LarryQ
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From: Oklahoma City, OK
Default Starting points.

Hi dave...

I now have @4 gallons of fuel through the 110, and notice that I seem to have lost my Idle.

I know that after a while, I will need to re-check setings, as nothing stay's the same for long, But want to ask about the low (Idle) needle setting.

I know enough to open the main needle @ 2 turns from closed, and to have the regulator flush with the casting to start, But where should the airbleed needle be as a good starting point?

Lately, every landing, the engine dies just as soon as the plane touches the ground.
If I set the idle high enough to keep the engine running, @ 2200-2300 rpm, the plane doesn't want to sit down!

(an unexpected result of being Overpowered with the YS 110 I think)

I used to have a really reliable idle at or below 1700...she would sit there and tick over all day! But not any more.

I'm having to raise idle to compensate for something, and would think the easiest place to start is to reset everything and re-tune.

While in there, I'm going to re-check the valve clearance as well....Is .003" still the target?????.

I know I may be WAYY OFF BASE Here, But I was wondering, since the engine is mounted inverted is it possible the plug was being doused out by fuel as the "Thump" of landing happens.


Since so much of the plane has to some apart just to get to the engine and make all these adjustments, I want to do everything by the book before I Button her all back up.

Thanks again!

Larry