(Scratch built)

 

Speed 400

Speed 480

*Brushless

Airframe

Wingspan

52in

52in

52in

Weight

3lb 2oz

3lb 3oz

3lb

Wing Area

338sq ins

338sq ins

338sq ins

Wing Loading

21.5 oz/sq ft

20.5 oz/sq ft

Power System

Motors

2 x Graupner 6v speed 400 geared 1.85:1

2 x Jamara 480 Pro geared 2.3:1

2 x HiModel A2217-8T

Battery

7 x 1700mah NiCd

7 x 1700mah NiCd

3 x 3700mah LiPo

Propellers

8" x 6"APC

8" x 8"APC

8" x 6"Tornado

Performance

7100rpm at 20amps

5900rpm at 21amps

9000rpm at 29amps

Power loading

48W/lb

49W/lb

92 W/lb

Calculated Thrust

1lb 6oz

8oz!

2lb 7oz

*Click here for more on brushless conversion