Keystone NK
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| Keystone NK | |
|---|---|
| File:Keystone NK-1.jpg | |
| General information | |
| Type | Biplane trainer |
| National origin | United States |
| Manufacturer | Keystone Aircraft |
| Primary user | United States Navy |
| Number built | 20 |
| History | |
| Introduction date | 1930 |
| First flight | 1928 |
The Keystone NK or Keystone Pup was a two-seat biplane trainer built by Keystone Aircraft for the United States Navy.
Design and development
[edit | edit source]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
[edit | edit source]- 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
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Specifications (NK-1)
[edit | edit source]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, 101 kn)
- Range: 375 mi (603 km, 326 nmi)
References
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External links
[edit | edit source]
Wikimedia Commons has media related to Keystone NK.