Great Planes Super Stearman 1.20 Bipe ARF .91-1.2,71.5"

Tower Stock# LXEUN2  •  Manufacturer Stock# GPMA1350
Great Planes Super Stearman 1.20 Bipe ARF .91-1.2,71.5
Tech Notices:Notice 1
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Notes from our tech department:
This is the Radio Controlled, Glow Powered, Almost Ready-to-Fly,
Great Planes Super Stearman 1.20 Sport Airplane Kit.
For Intermediate to Advanced Modeler/Fliers, IMAA legal.


Construction: Balsa and plywood
Wings: Balsa and plywood, both one-piece, semi-symmetrical airfoil
Cowl: Painted fiberglass with inner plywood ring that provides
strength and allows cowl to be attached with no visible screw heads
Covering: Top Flite MonoKote, color scheme is predominately White
with with Red and Black accents, see COMMENTS for MonoKote colors
Radio Compartment: Plywood reinforced, accessible over lower wing
Wheel Pants, and Landing Gear Fairings: Fiberglass, painted to match
covering scheme
Interplane Struts: Painted fiberglass
Cabanes: Painted metal
Open Cockpit: Two with fully detailed and painted pilot figures,
trimmed and detailed clear plastic windshields, rubber cockpit
Cockpit Features: Instrument decals
Landing Gear: Aluminum with steerable tailwheel
Wheels: Two 3" (95mm) foam, one 1" (32mm) foam tailwheel
Spinner: 2" (63mm) aluminum
Aileron Control: Four servos, coupling rods are supplied if modeler
desires two servo control
Hardware: Full set included
Motor Mount: Composite, two-piece construction
Building Time: Ready to fly in 16-20 hours
Warranty: Great Planes Model Manufacturing Company guarantees this
kit free from defects in both materials and workmanship at date
of purchase.


Pre-built wing fuselage and tail assemblies, aluminum main landing
gear, 2-piece engine mount, aluminum spinner, hardware package
fiberglass cowling landing gear fairings and wheel pants, plastic
replica radial engine, two detailed pilot figures, wheels,24oz fuel
tank, all assembly hardware, photo-illustrated instructions, and
cockpit coaming


Engine: .91 (14.9 cc) - 1.20 (19.66cc) 2 or 4 stroke
Muffler: Pitts style if using 2-stroke engine, or standard muffler
included with 4-stroke engine
Radio: 4-channel
Servos: 5 standard size, 4 with 54 oz-in torque minimum,
one with 42 oz-in of torque for throttle
(2-ailerons, 1-elevator, 1-rudder, 1-throttle)
Servo Extension 12": Two for aileron servos
Y-Harness: One for aileron servos
NOTE: if building kit with four aileron servos, two additional
aileron servos, two additional servo extensions, and one additional
Y-harness will be needed
Misc. Items: glow plug, " foam rubber padding, 2' large fuel tubing,
fuel filter, propeller, building and field equipment.


Top Wingspan: 71.5" (1815mm)
Bottom Wingspan: 69" (1755mm)
Total Wing Area: 1466 sq in (94.70 sq dm)
Weight: 14-15lb (6.35-6.8kg)
Wing Loading: 22-23.5 oz/sq ft (67.13-71.71g/sq dm)
Length: 57" (1450mm)
Airfoil: Semi-symmetrical
Center of Gravity: 5" (140mm) Back from the leading edge of the
TOP wing
Control Throws- Low Rate High Rate
Ailerons: Up & Down
Bottom Wing: 9/16" (14mm) 1" (25mm)
Top Wing: " (19mm) 1" (32mm) up
7/8" (22mm) 1" (38mm) down
Elevator: Up & Down 7/8" (22mm) 1" (25mm)
Rudder: Right & Left 1" (25mm) 1" (38mm)
Top and bottom wing: 0
Stabilizer: 0
Engine Thrust: Down: 1
Right: 3


Following are the colors used on this model and order numbers for
6 foot rolls:
White: TOPQ0204 True Red: TOPQ0227
Black: TOPQ0208

For replacement landing gear wheels, order the DuBro 4" Diameter
Wheel (DUBQ0845). They are slightly larger than the original wheels
but will fit. If axles are needed, order the 3/16 x 2" Axle Shafts
(DUBQ1115). The holes in the landing gear will have to be slightly

If a replacement fuel tank is needed, order the Sullivan 24oz
tank (SULQ1444), or the DuBro 24oz tank (DUBQ0224).
Some minor trimming and modifications may be required.

jxs 2/25/04
updated wm 6/18/04
updated missle red monokote cc 7/20/04
updt jxs 10/13/04
MonoKote colors checked & matched updated tjt 022305
updt jxs 11/16/09
updt jxs 05/09/12

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Easy RC: Airplanes
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