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Engines and Mufflers Having problems or need advice on Engines or Mufflers?


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Old 12-28-2009, 09:02 AM   #1 (permalink)
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Default Tune mid or high needle?

Hi. i am using a YS91SR3C on my T700. Some time when i m doing elevator tic-toc, i find that the heli feel a bit sluggish. It doesnt have the punch i want. So i went to lean out the mid needle. After leaning out the mid, the heli feels more power but the temp went up a bit. Am i doing the right thing? Should i lean the high instead of the mid needle?
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Old 12-28-2009, 09:04 AM   #2 (permalink)
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What was the temperature after leaning out the mid?
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Old 12-28-2009, 09:19 AM   #3 (permalink)
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From +-105 Celsius to +-114Celsius. i m aware that u guys are keeping the temp less than 100. I from Asia. Could the temp here affects the operating temp.
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Old 12-28-2009, 10:02 PM   #4 (permalink)
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Too much. I run about 90C or 100C at most after a beating in summer. Open the mid two or three clicks, close the high one or two click. After sustained tic tocs (aileron preferably) check your temp.

Usually the mid will help with throttle response but for sustained tic tocs the engine is more on the high needle.
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Old 12-29-2009, 05:47 PM   #5 (permalink)
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Quote:
Originally Posted by Pulento View Post
Too much. I run about 90C or 100C at most after a beating in summer. Open the mid two or three clicks, close the high one or two click. After sustained tic tocs (aileron preferably) check your temp.

Usually the mid will help with throttle response but for sustained tic tocs the engine is more on the high needle.
Ditto. I've also read that the high-end is more involved with tic-tocs than the mid-range.
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