RE: COMP ARF 110" F4U ARF WITH FOLDING WING ASSEMBLY
outer wings (cont)
ailerons (cont)
I needed to correctly transfer the hinges on the ailerons to the TE of the wing.
pic 1-3:
I cut the slots for the kit provided hinges at the following dimensions:
The measurements are from the inside edge of the TE of the wing where a jog in the TE occurs just before the end of the inside end of the aileron.
From this 'jog' to the left edge of the first slot for the hinge is 7/16"
The second measurement (also from the jog, middle hinge) is 7 3/8"
The last measurement (outside hinge) is 14 1/4"
pic 4:
I recessed the edge of the aileron so the 'L' shaped brass wire is flush with the side and not protruding out.
pic 5/6:
There is a mold edge at the bottom end of both ends of the ailerons as well as the flaps that need to be sanded flush to the sides.
pic 7-9:
As you can see, when the outer flap and aileron are put 'end to end', there's no room for these two parts to move.
This is why we need to remove those ridges on the ends plus why I recessed that brass wire.
Even with these mods, I needed to remove a 1/16" off the outside edge of the wing so I can move the aileron over.
I didn't want to sand the ends of the ailerons or flaps as those walls are very thin so the only logical place was the outside edge of the wing. This spot is hollow inside so a razor saw and a little sanding made quick work of removing 1/16" off that edge.
pic 10:
As you can see in this picture, we need to have the hinges half way up those slots so the ailerons can move an equal distance up and down. To get the hinges located vertically the following dimensions were used:
Inside hinge is 1/4" from the top of the wing.
The middle and outside hinges are 3/16" from the top of the wing.
I used an x-acto #2 blade to cut the slots and a file for final 'tune up'.
Note that I also put five holes in the hinges for extra holding when the epoxy is applied.
Everything is dry fitting.
I won't be gluing the outer flap or ailerons until I install the folding wing (which I can now do since the aileron servo problem has been resolved) to insure all flaps and ailerons are aligned with each other.