Cost
E3D kit from Gary $100
Hacker c40 12T $170
Hacker speed control $99
CP2400 pack(DIY) $33
GP gearbox $15
4 HS-81 servos $72
covering/prop/misc $40
Total------------------- $529
The look on your Glow engined buddies' faces when you pull vertical from a 10 ft takeoff roll and accelerate into a 300 ft vertical climb - Priceless.
knock $145 off the total if you go with the brushed endo motor setup, not quite as powerful as the hacker brushless.