X525 Quad Copter Spring Loaded Landing Gear

Lighter weight landing gear for the X525 Quad. Use a small spring, and a 1/4" wood dowel for the shafts, drill a hole through it for a strand of filament (with the hole positioned so the spring will be slightly compressed once the part is assembled). I've been using a dowell 2 1/2" long with the through hole drilled 0.35" from the end. Flare the end of the filament with a hot nail to keep them from sliding out. Epoxy the dowel into the top section so it doesn't vibrate out in flight.

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