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General control line discussion => Open Forum => Topic started by: Paul Allen on October 03, 2018, 03:43:31 PM

Title: Bowed flap
Post by: Paul Allen on October 03, 2018, 03:43:31 PM

I have a model with the inboard wing and flap ( looking from the rear) that has a slight bow to it
the out board wing and flap are straight,would you get the same problems as a twist in the wing,
it fly's, outboard wing down upright and up inverted?
Thanks

Title: Re: Bowed flap
Post by: Tim Wescott on October 03, 2018, 04:04:31 PM

You don't say if it's an upward or downward bow -- but yes, it'll act the same as a warp.  Very roughly, it's the amount that the TE is bowed up or down that matters, whether it's the TE of a flap or the TE of an un-flapped wing.

If it's not a super-rigid carbon fiber flap, you should be able to correct it with heat -- dry iron if it's 'coat, moist heat if it's silkspan & dope.

Title: Re: Bowed flap
Post by: Paul Allen on October 03, 2018, 06:05:46 PM

Tim
     It bows down ,thanks for the reply.