trailing edges ?

[fairchild1934]

Do most bearhawk builders make their own TE ? ------or----- is it possible to use some made by aircraft spruce ?

tim

[SpruceForest]

We bent ours to 70 degrees or so at the sheet metal ship, then closed them over a 3/16" MDF core (with radiused edges) in the press. Amazingly straight when done and at the plans angle. probably other ways to do it, but worked for our two airplanes.

[sjt]

In Bob's book he illustrates the preferred method:

He uses a brake to first bend to the maximum bend around a nose to produce the correct radius. (a nose is required for all bends since a standard brake would make sharp bends )

He then places the bent metal back into the brake and crushes it down to the correct angle.

The only thing I did different was I also put several lengths of 3/16 drill rod to make sure I did not violate the bend radius for 2024.
I do not know if drill rod was necessary, but it seemed like a good idea to me.


a.jpg