Fokker D.IX
| Fokker D.IX | |
|---|---|
| |
| Role | Singe seat fighter aircraft |
| National origin | Netherlands |
| Manufacturer | Fokker-Flugzeugwerke |
| First flight | 1921 |
| Number built | 1 |
| Developed from | Fokker D.VII |
The Fokker D.IX was a Dutch single seat, single engine
US Army Air Service
but not developed further.
Design and development
The D.IX was the final development of the
Mercedes D III engine and even most other engines experimentally fitted to this airframe. Engine installation apart, the D.VII and D.IX were externally similar apart from their empennages.[2]
The D.IX was a
cabane structure included two fully triangulated forward struts connecting to the forward spar, and a pair of single struts connecting to the rear spar. Ailerons were only fitted on the upper planes.[2]
Its welded steel tube fuselage was flat sided, with the single seat open cockpit behind the
Fokker V.36. An extra strut from the rear of the tank to the central fuselage underside helped to support it.[2]
The D.IX prototype first flew in 1921.[2]
Operational history
The D.IX was sold to the
propeller.[3] Though it had a maximum speed about 20% greater than that of the standard D.VII and climbed twice as fast, the USAAS concluded it was not worth further development.[2]
Variants
- D.IX
- Fokker factory designation
- PW-6
- US Army Air Service(USAAS) designation indicating that it was the sixth water-cooled pursuit (fighter) tested.
Specifications
Data from Green and Swanborough 1994[2]
General characteristics
- Crew: One
- Length: 8.99 m (29 ft 6 in)
- Wingspan: 7.09 m (23 ft 3 in)
- Height: 2.74 m (9 ft 0 in)
- Wing area: 22.11 m2 (238.0 sq ft)
- Empty weight: 874 kg (1,927 lb)
- Gross weight: 1,253 kg (2,762 lb)
- Powerplant: 1 × Hispano-Suiza 8Fb water-cooled V-8, 220 kW (300 hp)
- Propellers: 2-bladed
Performance
- Maximum speed: 223 km/h (139 mph, 120 kn) at sea level
- Cruise speed: 188 km/h (117 mph, 102 kn)
- Range: 471 km (293 mi, 254 nmi)
- Time to altitude: 6.3 min to 1.980 m (6,500)
References
Wikimedia Commons has media related to Fokker D.IX.
- ^ ISBN 0-7680-0997-9.
- ^ ISBN 1-85833-777-1.
- ^ ISBN 90 228 3792 0.