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10-26-2015 02:01 AM  4 years ago
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D-fly

rrApprentice

cincinnati, oh

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AR7100R Gov. Problem
My friend has a Trex700 FBL with a YS91SR Hatori pipe, Magnum brass bushing and enya#3 at 1950 blade speed.
He ran it for years and it ran find.
Now when it punches out hard 30-50 feet, descend 30-50 feet and stop the engine drops to about 1/3 of the RPM and then catches back up.
If the punch outs are like a yoyo up and down it holds the RPM.
Any ideas how to fix.

Thanks
Del
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10-27-2015 03:52 PM  4 years ago
Richardmid1

rrProfessor

Leeds, England

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I'm not familiar with the AR7100R governor but it sounds like the low throttle point for the governor is set too low. It could also be an overly rich mid needle.60% of the time, it works every time!
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10-27-2015 04:11 PM  4 years ago
Richardmid1

rrProfessor

Leeds, England

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I see it's a rev limiter rather than a governor. Have you set your idle up curve to a flat line 100%?60% of the time, it works every time!
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10-27-2015 06:10 PM  4 years ago
D-fly

rrApprentice

cincinnati, oh

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Thanks
Yes it is a rev limiter. The Throttle curve is 100%

I tried leaning the top and bottom. Maybe I will try leaning the mid.
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10-27-2015 07:55 PM  4 years ago
Richardmid1

rrProfessor

Leeds, England

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Also when calibrating the throttle use idle throttle position as low throttle instead of throttle cut position.60% of the time, it works every time!
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