Slotted Flap Hinges for 1400mm foamy planes and up
thingiverse
These are hinges for slotted flaps. The pivot is 0.5" from the surface on which it's mounted. The design allows for up to 72 degrees of rotation, which should be plenty for just about any practical use. Each hinge requires two #6 countersunk screws, 1/4"-1/2" long. I recommend mounting these with 1" wide high-strength permanent foam tape, such as VHB. Don't use glue unless you print in ABS, because PETG, PLA, and nylon don't stick well enough to CA or urethane, and epoxies are typically too brittle for the application, and likely not foam-safe. Tested on an E-Flite Apprentice 15e, and they work flawlessly.
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