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? on trim tab length

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? on trim tab length

Old 11-27-2006, 01:23 PM
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mopartybob
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Join Date: Jun 2006
Location: So.San Francisco, CA
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Default ? on trim tab length

Hi Ya'll,I'm runnin a os.21 powered NITRO VEE,Speedmaster surface drive,w\4" rudder,prather 250\2 blade, this thing gets airborne at every blip of throttle,(not so bad a thing under controlled impulses to do so),this thing really gits but had no tabs installed at the maiden voyage this past weekend,(fast idle speed got me to 25mph) and was really unstable,My ? is would longer 2"x4" tabs improve HIGH SPEED stability(45mph +),I know it effects the overall COG, what would the effects on stability be if extended beyond the prop??Does splitting the tab (2 separate adj. tabs,on 1 side) help\have any more benefits than just a single hinge point tab? this thing really is a beast that needs to be collared but not leashed.......what do think guys n (gals)...

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