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SIG - SIGA0064 SIGSIGRC65 SIGRC65 614380510655 0614380510655
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SIG Four-Star 120 Kit .90-1.20,81"
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SIG Four-Star 120 Kit .90-1.20,81"
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Instruction Manuals: Manual 1 (2320 KB)
Tower Catalog Page: 40

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Tech Notes
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 oz/in 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: 1-1/4" tailwheel
Spinner: 2-3/4"
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 oz/sq ft (61-70 g/sq 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): 5/8" (16mm)
Rudder (left & right): 1-1/4" (32mm)
Center of Gravity: 3.75 - 4.3" (95 - 110mm) from leading edge of
wing measured at the fuselage side

jxs 03/02/15

– If you need more information, use these SIG resources –
Phone: 641-623-5154   Postal Address:
PO BOX 520

Click here for Units of Measure Conversion Calculators

Accessories Needed
This is the Radio Controlled, Glow Powered, Four-Star 120 Kit from Sig. FEATURES: Balsa & ply construction, spruce main spars in wing, aluminum main landing gear, shaped balsa leading edge, 3 decal sheets REQUIRES: .90-1.20 2-stroke, or 1.20-1.60 4-stroke engine, 4-ch radio w/heavy duty servos, prop, wheels, fuel tank, 4 rolls covering, bldg. & field equip.

Accessories for the SIG Four-Star 120 Kit .90-1.20,81"

Primary Accessories Radio & Engine Equipment Building & Field Equipment Optional Accessories
  Special Stock Number Product Description Parts Saver Eligible Tower's
Low Price
Click to Order Quantity Needed In Cart? Stock
 LXD721 Dubro S16 Square Fuel Tank 16 oz
Qty Discount Available
4.49   In Stock
 LXD783 Dubro Treaded Lightweight Wheel 4"
Qty Discount Available
13.29   In Stock
 LXD813 Dubro Tail Wheel 1-1/4"
Qty Discount Available
2.09   In Stock
 LXNK66 Futaba FBC19B4 Dual AC Wall Charger
Qty Discount Available
19.99   In Stock
 LXJ778 Great Planes Switch/Charge Jack Mounting Set
Qty Discount Available
3.89   In Stock
 LXK134 Great Planes Ultra Precision Fuel Filter
Qty Discount Available
3.79   In Stock
 LXNRJ9 Hobbico HydriMax NiMH 4C 4.8V 2000mAh Square AA Rx U
Qty Discount Available
20.99   In Stock
 LXL430 Hobbico Latex Foam Rubber 1/4"
Qty Discount Available
3.99   In Stock
 LXHY37 Top Flite 14x8 Power Point Propeller
Qty Discount Available
6.49   In Stock
 LXFAW2 Tower Hobbies Hand-Crank Fuel Pump
Qty Discount Available
11.99   In Stock
 LXRXC4 Tower Hobbies TOWER Power 10% Airplane Fuel Quart
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7.59   In Stock
Subtotal for this Group of Accessories: 111.88  
Click to Order all items listed in this Group of Accessories    Add this group of Accessories to Cart

Primary Accessories Radio & Engine Equipment Building & Field Equipment Optional Accessories

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