WATSON “WINDWAGON”€

Gemini Sparkle

Key Takeaways:

  • The Windwagon is an all-aluminum homebuilt aircraft featuring a semi-monocoque structure and removable wings for transport or storage.
  • It is powered by a 30-hp modified 900cc half-Volkswagen engine driving a four-blade propeller.
  • Performance includes a top speed of 110 mph, a cruise speed of 90 mph, and a climb rate of 450-500 fpm.
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STANDARD DATA: Gross wt. 485. Empty wt. 273. Fuel capacity 4. Wingspan 18′. Length 12’6″. Engine 30-hp Watson 1/2 VW.
PERFORMANCE: Top mph 110. Cruise mph 90. Stall mph 40. Climb rate 500. Ceiling 10,000. Range 300. Takeoff run 250. Landing roll 300.

The Windwagon measures 18 feet from wingtip to wingtip, and it features all-aluminum construction with pop rivets. The tricycle gear is non-retractable. Wings are removable for storage or transportation. The powerplant is a modified 900cc half-Volkswagen engine that drives a four-blade propeller. On just two cylinders, top speed is 110 mph, and climb rate is 450 to 500 fpm. The wing features a Clark Y wing section with constant chord. There are conventional ailerons and no flaps. The fuselage is a conventional semi-monocoque
structure made from pop-riveted aluminum.

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