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Old Nov 01, 2012, 10:04 AM
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United States, UT, Salt Lake City
Joined Oct 2007
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The KF airfoil is sturdy enough and easy to build but make larger ailerons -if you can.
and if possible make some w shaped bracing - (CF strips CA in place on bottom of aileron ) to stiffen em.
These all foam setups tend to bend easily and positive control can become vague.as speed changes

Most of the reason for the airfoil shape is to gain some rigidity.
airfoils are a compromise - strength first - shape next .
Your setup is a good compromise - but more variable -in undercamber - for slow flying may help.
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