RCU Forums - View Single Post - adjusting needle valves - which direction -
Old 03-31-2010 | 10:39 AM
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rc airplane nut
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From: Wolf, WY
Default RE: adjusting needle valves - which direction -

How I remember which way to turn the needle valves is: Unscrewing it makes more room for the fuel to go through so that makes it richer and screwing it in makes less room so that makes it leaner.