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Type British Built 1/3 scale WW-I Biplane Fighter
Wing Span 108 inches (9 feet) both wings.
Wing Cord 20-1/2 inches both wings
Wing Area 4428 Sq. inches
Airfoil Undercambered
Wing Loading 15 ~ 18 Oz / Sq.Foot.
Flying Weight 29 to 34 Lbs
Fuselage length 77 inches
Height 36 inches (flight ready) 21inches (landing gear removed)
Engine Size 2.7 cubic inch (45cc) to 4.27 cubic inch (70cc)
Radio Gear 4-Channel W/5 Servos min. Flight Controls 100 In/Oz min. Cowl Diameter 13-1/2” X 6-3/4” deep
Scale Prop Size 33-1/2” Dia.
Model Features
Balsa, Bass, and Plywood Construction.
Separate “plug in” wing panels (4).
Fully functional flying and landing wires.
Functional Bungee Cord Landing Gear
Kit includes
Full Size Plans & Instructions.
Basic Hardware (including flying wires and fittings).
Pre-Bent wire landing gear.
Aluminum Cowl
Scale 3-View Drawings.
Items Needed to Complete
Control System, 4-40 Push Rods, or a Pull / Pull Cable system.
Fuel System, fuel tank and fuel lines
Covering Material, 4, 5-meter rolls.
Wheels, 9”diameter Du-Bro Vintage Wheels Recommended.
Center of Gravity 7-3/4 inches back from Leading Edge of Top Wing
Control Throws: Incidence:
Elevator …….. 1-1/2 ~ 2” Up & Down Top Wing ………… +1~2 Degrees
Rudder ……… 2-1/2” Left & Right, Bottom Wing ……. -1~0.0 Degrees
Ailerons …… 1-3/4” Up & Down Tail ………………… 0.0 Degrees
Aileron Differential ……………... 2” Up & 1” Down (differential recommended)
Engine Thrust Line ……………... 2 Degrees DOWN, 1~2 Degrees RIGHT
Decals
1/3 Scale Sopwith Pup Decals “British”.
4 Large Roundels Top and Bottom wings ….......……… 18 Inch ($35.00)
2 Small Roundels Fuselage sides.…………………… … 8-1/2 Inch
2 Number “4”s Fuselage sides…………………………6-1/8 high
2 “Sopwith Aviation Co” Vertical fin.
To purchase cowl box separate will be 250.00
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