SIG Four Star 20EP Airplane Kit
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SIG Four Star 40


Building on the 20-year reputation of the original Four-Star line of great sport airplanes, we bring you this highly requested version designed for electric power. Like it's older siblings it retains the easy and relaxed flying characteristics of the Four-Stars. Open the throttle and increase the control throws and it will do about any wild maneuver your thumbs can dream up. Four Star 20 EP Model Airplane Add to this the portability of a smaller size and the quietness and convenience of electric power and you have another winner for sport flying. While designed for electric power it is configured to easily convert to glow engine power in the .15 to .25-engine range so you have the best of both worlds.


Full size plans
Light weight balsa construction except for key parts
Fast building wing Tab locked fuselage
Photo illustrated instruction manual
Durable aluminum landing gear
Molded canopy Molded cowl
SIG Easy Hinges
Large decal sheet
Hardware pack

Wingspan 48 in 1219 mm
Wing Area 430 in² 27.7 dm²
Length 38 in 965 mm
w/250-watt motor & 3s1p 2200 mAh lipo
2-1/2 lbs 1130 g
Wing Loading 13.4 oz./ft² 40.8 g/dm²
Radio Required 4-Channel with 4 mini servos
Power Required 250 to 350 watt electric motors or
.15 to .25 glow engines
Prop 9x6 APC ThinElectric (APC309060)
SIG Four Star 20Kit RC106



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