Cheap, Sturdy, 1-Hour Quadcopter

You've got some flexibility in ordering parts.  You can pay more or less for things like the radio and flight controller.  We'll cover some cheaper options at the end of this instructable.

Frame

arms: 3/4" x 3/4" fir stick (approx 5 ft)
center plates: 1/4'' or 5mm Plywood (approx 6"x18”)
Machine screws & bolts, and washers 
landing gear: 4 wiffle balls
zip ties
battery mount: 3/8" x 3/8" stick (approx 1 ft)

Power System

battery: LiPo 3S 3000-4000mAh
4x 40A Turnigy Plush ESC (motor controller)
4x NTM 35 1100 KV motors
2 10"x3.8" or 10"x4.5" APC SF Props, 2 CW and 2 CCW
double-sided velcro (approx 18'')
power distribution board or homemade power distributor
Bamboo Skewers
Piece of soft foam about 1/2'' thick, slightly bigger than your flight control board

Radio System (remote controller)

HobbyKing 9xr
FrSky module and receiver

Flight Control Board

Ardupilot Mega  ($234)

Equipment

saw, drill, hot glue gun

TODO: double check (and provide links?)

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