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Thread: Take off question lightning style flaps
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Old 09-19-2017 | 11:05 PM
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Dave Wilshere
 
Joined: Jun 2002
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From: Watford, UNITED KINGDOM
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Its a close run thing, lift versus drag, but I always took off with 15mm flap on the Lightning and 10-12mm on the Flash. Once it starts to rotate the clean lower surface is seeing most of the air.
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