I located my esc on the lower wing surface and ram air into it. The air exits through a grill in the upper motor turtle deck.
Any place you need access in foamboard, cut the foam at a 45* angle on the sides and rear, make a cut on the inside of the foam at the front to create a hinge for the panel.
My tip washout is at least 1/2” to 5/8” , giving superb slow flight and super stable high speed flight. I have also used no dihedral at all, the wing is flat...!
Use a fish fillet knife to angle cut long tapered inside angles like the ones I use on aft spars at the glue joint.
use only the clear hot glue! The milky white stuff is low tack, clear is high strength. Don’t get greedy, I glue one joint at a time while forming the wing on the jig table.
A square trailing edge on the elevons has not cause flutter, at least not at 155mph...! I launch with a bungee cord and belly land in grass.
Any place you need access in foamboard, cut the foam at a 45* angle on the sides and rear, make a cut on the inside of the foam at the front to create a hinge for the panel.
My tip washout is at least 1/2” to 5/8” , giving superb slow flight and super stable high speed flight. I have also used no dihedral at all, the wing is flat...!
Use a fish fillet knife to angle cut long tapered inside angles like the ones I use on aft spars at the glue joint.
use only the clear hot glue! The milky white stuff is low tack, clear is high strength. Don’t get greedy, I glue one joint at a time while forming the wing on the jig table.
A square trailing edge on the elevons has not cause flutter, at least not at 155mph...! I launch with a bungee cord and belly land in grass.
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