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.
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.

Wingspan 48 in 1219 mm
Wing Area 430 sq in 27.7 dm²
Length 38 in 965 mm
w/250-watt motor & 3s1p 2200 mAh lipo
2.5 lbs 1130 g
Wing Loading 13.4 oz./sq ft 40.8 g/dm²
Radio Required (not included) 4-Channel with 4 Mini Servos
Power Required (not included) 250 to 350 watt Electric Motors or
.15 to .25 Glow Engines

  • Full Size Plans
  • Laser Cut Parts
  • Lightweight Balsa Construction
  • Fast Building Wing
  • Tab locked fuselage
  • Photo Illustrated Assembly Manual
  • Durable Aluminum Landing Gear
  • Molded Canopy
  • Molded Cowl
  • SIG Easy Hinges
  • Large Decal Sheet
  • Pushrods
  • Hardware pack
  • Four Star 20 EP Kit Instruction Manual
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    Complete Pdf (2.4 Mb) Download

    Collections: KITS, SIG KITS

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