PIPER J-4 “CUB COUPE”€

1939’€“42

Gemini Sparkle

Key Takeaways:

  • The Piper J-4 Coupe, produced from 1939-1942, was the first Piper monoplane to feature side-by-side seating and was frequently utilized in flight training programs.
  • Similar in structure to the J-3 Cub, it offered improvements such as hydraulic brakes, a more complete instrument panel, navigation lights, and increased size and fuel capacity, powered by a 75-hp Continental engine.
  • With a top speed of 100 mph and a range of 455 miles, this light high-wing monoplane still has almost 200 active units today.
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STANDARD DATA: Seats 2. Gross wt. 1,400. Empty wt. 865. Fuel capacity 16. Engine 75-hp Continental.
PERFORMANCE: Top mph 100. Cruise mph 96. Landing mph 40. Initial climb rate 450. Range 455. Ceiling 12,000.

The J-4 Coupe was the first Piper monoplane to have side-by-side seating. First flown in 1938 and produced from 1939 to 1942, the light high-wing monoplane with enclosed cabin was often used in flight training schools and in the Civilian War Training Program. Very similar in structure to the J-3 Cub, the J-4 was powered by a 75-hp four-cylinder Continental engine. Cub Coupe features included hydraulic brakes, a more complete instrument panel, and navigation lights. Fuel capacity and overall size of the J-4 was also increased over its predecessor, the J-3. Construction is a welded steel-tube fuselage, and wings are made from spruce spars and aluminum alloy. Almost 200 Coupes are still active.

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