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Number of Motors
More than 4000g (141oz)
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King Burd is a 'vintage' free flight design designed in the mid 1930s for ignition model engines by George Austermann. Spanning 59", the plane would be straightforward to recreate for sport flying purposes, possibly with diesel, glow, or electric propulsion with rudder/elevator radio control. The wing airfoil appears to be a Clark Y and is flat-bottomed, easing construction and covering considerably. The plane would be eligible for Old Timer competitions sponsored by the Society of...
Ladybird Special is a sport free flight model, a cabin - biplane layout, with elliptically shaped flying surfaces. The plane was designed by H.J. Pridmore
as a follow-on to a popular rubber-powered model that he designed; the "Special" has similar lines and was originally designed for a 1 cc diesel, approximately .06 cubic inches displacement. The model has quite attractive lines and would be well-suited for radio control with electric propulsion and control of rudder, elevator, and...
Climber is Edward Lamb's rubber-powered free flight model that won its class at the 1941 Chicago Nationals. The plane's multi-spar wing and tail surfaces, and stringer fuselage, takes careful attention during the build but done properly, will yield light and strong structures, a high-climbing power trajectory, and a floating glide. A tip-up stab 'dethermalizer' is recommended to prevent flyaways in thermals or downwind.