CURTISS JN-4D “JENNY”€

1914

Gemini Sparkle

Key Takeaways:

  • The Curtiss Jenny was America's first mass-produced, commercially viable airplane, serving as the standard U.S. military trainer during and after World War I.
  • Post-WWI, thousands of surplus Jennies were sold to civilians for around $6,000, becoming instrumental in the barnstorming era.
  • Despite its popularity, the Jenny had critical flaws, including an unreliable Curtiss OX-5 engine prone to frequent failures and a dangerous stall-spin characteristic.
  • These inherent issues, alongside accidents and deterioration, led to the rapid decline and loss of many of the nearly 7,000 original aircraft by the end of the 1920s.
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STANDARD DATA: Seats 2. Gross wt. 2,130. Empty wt. 1,580. Engine 90-hp Curtiss OX-5.
PERFORMANCE: Top mph 75. Cruise mph 65. Stall mph 35. Initial climb rate 250.

The Curtiss Jenny was America’s first mass-produced commercially viable airplane. Designed in 1914 to lower the accident record for pusher airplanes, the Jenny went on to become the standard U.S. military trainer throughout World War I and for five years thereafter. Nearly 7,000 were built, and surplus Jennies began showing up in civilian hands by 1919. For around $6,000 you could buy a crated Jenny, put it together, and start your own barnstorming business. Many took up the challenge with varying degrees of success. The fatal flaw of the Jenny (aside from a vicious stall-spin characteristic) was the powerplant. Literally dozens of things could (and did) go wrong with the OX-5, and an engine failure every 10 hours was not uncommon. By the close of the 1920s, wrecks, and rot had begun to take a toll on the original 7,000.

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