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Old 10-24-2019, 03:00 PM
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Join Date: Mar 2011
Location: Peterborough, NH
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These flap hinge blocks are not shown on the plans, but I thought to include them as they will give added strength when the flaps are deployed in flight.

Plan detail for the flap control horn. Stock horn is 1/16" plywood. Again, I'm not comfortable with so much stress being placed on a very thin control horn. Note how close the hinge pin is anchored to the end of the flaps LE. You can see here why I chose to add material to those critical areas.

I decided to make my own horn from aluminum sheet stock (.064 thickness).

Finished product after a bit of hand filing. Light and strong. This should do the trick nicely.

One down, one more to make!

Last edited by VincentJ; 10-25-2019 at 03:06 AM.
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