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Old 11-01-2009 | 05:32 AM
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MinnFlyer
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From: Willmar, MN
Default RE: os .91 fs 4-stroke.


ORIGINAL: oldvet70

To properly set the high speed needle a tachometer is needed.
Only for some people.

I know MANY modelers (myself included) who never use a tach to set our 4-strokes