Sopwith Pup 1/4 Scale

 
 
 
 
 
 
Sopwith Pup 1/4 Scale
By Balsa USAItem # 420

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The Sopwith Pup was one of the most famous World War I fighters. It is remembered as being one of the best flying aircraft of W.W.I, a tribute to T.O.M. Sopwith design philosophy of a simple and aerodynamically clean structure. Pilots who flew this aircraft apparently looked upon it as an offspring of the 1-1/2 Strutter and dubbed it as the "Pup". It's little known official name is the Sopwith Type 9901.
  • Size: 1/4 Scale
Kit Features:
Full Sized rolled Plans & Instructions
Jig & die cut parts
Pre-bent Wire Landing Gear and Struts
Basic Hardware Package
ABS Plastic Cowl

Specifications:
Wing span:77 inches
Wing Area:1985 sq. in.
Wing Loading:14-17 oz./sq. ft.
Flying Weight:12-14 lbs.
Fuselage Length:53 inches
Engine Size Gas:23-25 cc
Engine Size Glow 4-Stroke:1.2-1.5
Cowl Diameter:9x5 inches
Center of Gravity: 4 inches back from the leading edge of the Top Wing.
Control Throws:
Elevator: 3/4-1 inch up and down.
Rudder:1 1/2-2 inches left and right.
Ailerons: 3/4-1 inch up and down.
Aileron Differential: 1 inches up and 3/8 inch down
(differential recommended).
Incidence:
Top Wing: +1-2 Degrees.
Bottom Wing: -1-0.0 Degrees.
Tail: 0.0 Degrees.
Engine Thrust Line: 2 Degrees DOWN, 1-2 Degrees RIGHT.