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JN-4D Jenny

KN-4D "Jenny" Specifications
Manufacturer.....Curtiss Airplane & Motor Company
Power Plant.....100 hp Curtiss OXX-6 Wing Span.....43ft 7-1/4in Length.....27ft 4in Height.....9ft 10-5/8in Empty Weight.....1,580 lbs Max. Speed.....75 mph
The JN-4D on display is powered by a Curtiss OXX-6, an engine that is very similar to the OX-5 which is also a part of the Air Mail Exhibit. The main differences between the two engines are the cylinder bore and ignition. The cylinder bore was increased to 4.25" in the OXX-6 and ignition was supplied by dual Dixie Magnetos. This configuration produced 100 hp at 1400 rpm for the OXX-6, a slight performance improvement over the earlier OX-5. The museum obtained this historic "Jenny" from the John M. Larsen Collection in July 1978. It was one of the first aircraft to be acquired during the re-building years that followed the tragic arson fire of February 1978 - a fire that completely destroyed the museum's previous aircraft collection. At one time, the museum's "Jenny" had been owned by Frank Tallman and Paul Mantz. Tallmantz Enterprises did almost all of the flying for the movies of the 1950s and 60s, and it was during this time that the museum's "Jenny" flew in the movie the Spirit of St. Louis. Charles Lindbergh is reported to have flown it during the filming.

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