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Keystone NK

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Top speed
  
186 km/h

Length
  
8.08 m

Wingspan
  
11 m

Manufacturer
  
Keystone Aircraft

Keystone NK httpsuploadwikimediaorgwikipediacommonsthu

The Keystone NK or Keystone Pup was a two-seat biplane trainer built by Keystone Aircraft for the United States Navy.

Contents

Design and development

The NK was an open-cockpit two-seat biplane with a convertible wheel or float landing gear. It was powered by a 220 hp (164 kW) Wright R-790 Whirlwind. The company prototype designated the Pup was entered into a United States Navy design competition for a trainer and was awarded a contract for three prototypes designated XNK-1. Following evaluation a production batch of 16 was ordered designated NK-1 which were delivered during 1930.

Variants

Pup
Keystone prototype, one built.
XNK-1
Prototypes for Naval variant of Pup, three built.
NK-1
Production aircraft with minor changes, 16 built.

Operators

 United States
  • United States Navy

    • Specifications (NK-1)

    General characteristics

  • Crew: 2
  • Length: 26 ft 6 in (8.08 m)
  • Wingspan: 37 ft 0 in (11.28 m)
  • Powerplant: 1 × Wright R-790 Whirlwind, 220 hp (164 kW)

    • Performance

  • Maximum speed: 116 mph (186 km/h)
  • Range: 375 miles (603 km)

    • References

    Keystone NK Wikipedia
    (Text) CC BY-SA