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Peterson Javelin J-4

peter-j4


Built by Max A. Peterson, the J-4 Javelin, a single ship capable of carrying a child behind the pilot features an aileronless wing with spoilers for glidepath control and spoilerons for roll control, the latter causing almost no adverse yaw. The wing spar is a chem-milled tube, and the airplane uses very few normal rivets, most fastenings being cost saving pop rivets. The fuselage is built around a steel tube frame, with a lower fiberglass shell bonded to aluminum sheet wrapped over the deck.

The Javelin first flew in 1969 and eight were built.

Wing span: 14.94 m / 49 ft
Wing area: 11.71 sq.m / 126 sq.ft
MinSink: 0.70 m/s / 2.3 fps / 1.36 kt
L/DMax: 32 89 kph / 48 kt / 55 mph
Empty Weight: 260 kg / 574 lb
Payload: 105 kg / 230 lb
Gross Weight: 365 kg / 804 lb
Wing Load: 31.17 kg/sq.m / 6.38 lb/sq.ft
Aspect ratio: 19.2
Airfoil: NACA 64(3)-618
Seats: 1

 

 


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