YS61 ST-2...tuning issue?
07-16-2003 | 04:54 PM
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From: Australia, New South Wales
YS61 ST-2...tuning issue?
This heli engine has an unusual midrange issue
At the hover range it has a miss once every 2-3 seconds no matter how rich or lean I tune it in the midrange.
But throttle further up and it gets dead smooth no matter how lean or rich the high end needle is set.
Fuel: 20% Nitro, 20% synthetic oil it's a well known fuel brand and fuel is fresh
Plug: Enya 3 also tried a new OS 8 with the same symptoms.
Any idea ?
At the hover range it has a miss once every 2-3 seconds no matter how rich or lean I tune it in the midrange.
But throttle further up and it gets dead smooth no matter how lean or rich the high end needle is set.
Fuel: 20% Nitro, 20% synthetic oil it's a well known fuel brand and fuel is fresh
Plug: Enya 3 also tried a new OS 8 with the same symptoms.
Any idea ?
