Westland Wyvern (oz8358)

About this Plan

Westland Wyvern . Control line scale model.

Quote: "The Westland Wyvern is the first aircraft to fly with the Python propeller turbine engine, and although not yet in service with the naval squadrons, the type points the way towards even faster naval strike aircraft, of which the Firebrand was the first modern example. With a speed of 455 mph, one of the most powerful engines in any single engined aircraft in the world, and a compact span of only 44 ft, the Wyvern looks right, and despite its weight it behaves like a true fighter. Later versions are reported to have dihedral tailplanes, which in view of the already enormous fin, would indicate the short tail moment.

The model deviates from true scale in detail. Obviously the tail area has been increased and the proportions of the wing altered slightly to increase root chord and reduce the moment; dihedral design has been simplified in the interests of strength. A 1-1/2in supersonic spinner reproduces the long spinner of the prototype, and the already long nose permits an easy tank installation on the model.

Commence building by marking off on the lower 3/16 in keel the positions of the formers, and erect all except E and F6, steadying them by slotting in the top keel pieces forward of F2 and aft of F3..."

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