Balsa USA 1/6 Scale Sopwith Pup
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Balsa USA 1/6 Scale Sopwith Pup
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Type British WW-I fighter Wing Span 53-3/4 Inches (10-5/8” cord) Wing Area 1084 Square Inches total. Airfoil flat bottom Wing Loading 12-3/4 Oz. / Sq. Foot Fuselage Length 38-1/2 Inches. Flying Weight 5-3/4 to 6-1/2 Pounds. Engine Size .35 ~ .40 2-Stroke / 40 4-stroke recommended Prop Size Depends on engine being used Fuel Tank 4 ~ 6 Oz. Radio Equipment 4-Channel W/ 5 servos Servo Requirements Standard servos (2 servos required for ailerons) Wheel Size 4-3/8” vintage (Not included in kit) Cowl Diameter 6-3/8” Diameter, 2-3/4 Deep Scale Prop Size 16-3/4" Dia.
Model Features Balsa, Bass, and Ply construction Removable “1-piece” bolt on wings
Kit Includes Full-Size plans W/ Photo instruction book. Jig & die cut parts Pre-bent wire landing gear and cabane struts Basic hardware package ABS plastic cowl.
Items Needed to Complete Control system, push rod type. Fuel System (fuel tank & fuel lines). 2, 2-meter rolls of covering material (Solartex recommended) 1-pair 4-3/8” Vintage wheels
Notes Center of Gravity 3-1/2 Inches back from leading edge of top wing
Control Throws: Elevator ………………….. 1/2” Up and Down Rudder …………………… 1-1/2” Left and Right Ailerons ………………….. 3/4" Up and Down (Aileron differential recommended 3/4" Up 1/2” Down)
Thrust Line Recommendations: 1 ~2 degrees Down and 1 degree Right
Decal Set, British: (4) Large (10” Diameter) Roundels Top and bottom of the wings. (2) Small (4-1/8” Diameter) Roundels Fuselage sides. (2) Number “4”s (3-1/2” high) Fuselage sides. (2) “Sopwith Aviation Co” Vertical fin. |