SIG Four-Star 120 Kit GP .90-1.20,81"

Tower Stock# LXEZHZ  •  Manufacturer Stock# SIGRC65
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Notes from our tech department:
This is the Radio Controlled, Glow Powered, Four-Star 120 Kit from Sig.
For intermediate flyers who have mastered trainers.
IMMA Legal


Construction: Balsa and ply
Wing: One-piece with spruce spars, fastens to fuselage with nylon
wing bolts
Aileron Control: Dual servo
Canopy: Clear molded plastic
Landing Gear: One-piece prebent aluminum
Engine Mount: Two-piece glass filled


All wood required to build kit, landing gear, hardware, full-size
plans, canopy, three decal sheets and instruction manual


Radio: 4-channel
Servos: Five heavy duty with at least 55 ozin of torque
(2-aileron, 1-rudder, 1-elevator, 1-throttle)
Engine: .90 - 1.20 cu. in. (15 - 20 cc) 2-stroke OR
1.20 - 1.60 cu. in. (20 - 26 cc) 4-stroke
Propeller: Depending on selected engine
Fuel Tank: 16-20oz
Main Wheels: Two 4
Tailwheel: 1-14 tailwheel
Spinner: 2-34
Covering: Four rolls of lightweight iron-on
Building and Field Equipment


Wingspan: 81 (2057mm)
Wing Area: 1205 sq in (77.7 sq dm)
Wing Loading: 20 ozsq ft (61-70 gsq dm)
Length: 65 (1651mm)
Flying Weight: 10.5 - 12lbs (4760 - 5440g)
Airfoil: Semi-symmetrical
Configuration: Low wing
Control Throws
Elevator (up & down): 1 (25.4mm)
Ailerons (up & down): 58 (16mm)
Rudder (left & right): 1-14 (32mm)
Center of Gravity: 3.75 - 4.3 (95 - 110mm) from leading edge of
wing measured at the fuselage side

jxs 030215



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