DE Havilland DH4 1/4 Scale

 
 
 
 
 
 
DE Havilland DH4 1/4 Scale
By Balsa USAItem # 402

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The 1/4 DH4 was an ever-present element of the US Army Air Service both during and following World War I. Modeled from a British DeHavilland design, the DH4 was the only US built aircraft to see combat during World War I. Primarily used for day bombing, observation and artillery spotting.
  • Size: 1/4 Scale
Full Sized rolled Plans & Instructions
Jig & die cut parts
Pre-bent Wire Landing Gear and Struts
Basic Name Brand Hardware Package
ABS Plastic Cowl
Wing span:127 inches
Wing Area:4100 sq. in.
Wing Loading:17-20 oz./sq. ft.
Flying Weight:30-35 lbs.
Fuselage Length:89 inches
Height:32 inches wing installed, 25 inches Wings & Cabane Struts removed
Engine Size Gas:45-65 cc or Equivalent (3W-55i recommended)
Center of Gravity: 5-5/8 inches back from the leading edge of the Top Wing.
Control Throws:
Elevator: 1-1/4 inches up and down.
Rudder: 3 inches left and right.
Ailerons: 1-1/4 inches up and down.
Aileron Differential: 1-1/4 inches up and 3/4 inch down (differential recommended).
Incidence:
Top Wing: +1 Degree.
Bottom Wing: -1-0.0 Degrees.
Tail: 0.0 Degrees.
Engine Thrust Line: 2 Degrees DOWN, 1-2 Degrees RIGHT.