JEROEN VOGELAAR: Aviation Photographs

World War I

Fokker D.VII

Fokker D.VII (replica) 266 Luchtvaartafdeeling (Netherlands Air Force)

The Fokker D.VII was a German World War I fighter aircraft designed by Reinhold Platz of the Fokker-Flugzeugwerke.

  • Role: Fighter
  • National origin: Germany
  • Manufacturer: Fokker-Flugzeugwerke
  • Designer: Reinhold Platz
  • First flight: January 1918
  • Introduction: 1918
  • Status: Privately owned, or in museums
  • Produced: 1918–1928
  • Number built: Over 3,200

Operators

  • Argentine Naval Aviation
  • Austro-Hungarian Navy
  • Belgian Air Force
  • Bulgarian Air Force
  • Czechoslovakia
  • Royal Danish Air Force
  • Finnish Air Force
  • Germany: Luftstreitkrafte, Kaiserliche Marine
  • Hungarian Air Force
  • Netherlands: Luchtvaartafdeling
  • Latvian Air Force
  • Lithuania
  • Polish Air Force
  • Royal Romanian Air Force
  • Soviet Air Force
  • Swedish Air Force
  • Swiss Air Force
  • Ottoman Air Force
  • United States Army Air Service
  • United States Marine Corps

Specifications (D.VII with Mercedes D.III engine)

General characteristics

  • Crew: 1
  • Length: 6.954 m (22 ft 10 in)
  • Wingspan: 8.9 m (29 ft 2 in)
  • Height: 2.75 m (9 ft 0 in)
  • Wing area: 20.5 m2 (221 sq ft)
  • Empty weight: 670 kg (1,477 lb)
  • Gross weight: 906 kg (1,997 lb)
  • Powerplant: 1 × Mercedes D.III 6-cyl. water-cooled in-line piston engine, 120 kW (160 hp)
    • or 1 × 130.5 kW (175 hp) Mercedes D.IIIa 6-cyl. water-cooled in-line piston engine
    • or 1 × 137.95 kW (185 hp) BMW IIIa 6-cyl. water-cooled in-line piston engine (240hp rating at low level, emergency only, risk of engine damage.)

Performance

  • Maximum speed: 189 km/h (117 mph; 102 kn)
    • BMW IIIa engine – 200 km/h (124 mph)
  • Service ceiling: 6,000 m (19,685 ft)
  • Rate of climb: 3.92 m/s (772 ft/min)
    • BMW IIIa engine – 9.52 metres per second (1,874 ft/min)
  • Time to altitude:
    • 1,000 m (3,281 ft) in 4 minutes 15 seconds (1 minutes 40 seconds w/ BMW IIIa)
    • 2,000 m (6,562 ft) in 8 minutes 18 seconds (4 minutes 5 seconds w/ BMW IIIa)
    • 3,000 m (9,843 ft) in 13 minutes 49 seconds (7 minutes 0 seconds w/ BMW IIIa)
    • 4,000 m (13,123 ft) in 22 minutes 48 seconds (10 minutes 15 seconds w/ BMW IIIa)
    • 5,000 m (16,404 ft) in 38 minutes 5 seconds (14 minutes 0 seconds w/ BMW IIIa)
    • 6,000 m (19,685 ft) (18 minutes 45 seconds w/ BMW IIIa)

    Armament

  • Guns: 2 × 7.92 mm (.312 in) LMG 08/15 “Spandau” machine guns

BAT F.K.23 Bantam

BAT F.K.23 Bantam I K-123 RAF

The BAT F.K.23 Bantam was a British single-seat fighter biplane produced by British Aerial Transport Company Limited of London during World War I. The F.K.23 Bantam I was designed by the Dutch Frits Koolhoven.

  • Role: Single-seat Fighter
  • National origin: United Kingdom
  • Manufacturer: British Aerial Transport Company Limited
  • Designer: Frits Koolhoven
  • First flight: January 1918
  • Introduction: 1921
  • Number built: 15

Military operators

  • French Air Force 1 aircraft
  • Netherlands, Koolhoven factory operated 1 aircraft.
  • Royal Air Force 1 aircraft.
  • United States Army Air Corps received 1 aircraft

BAT F.K.23 Bantam I K-123 RAF

One aircraft, registered K-123, is on display at the Rijksmuseum in Amsterdam, Netherlands

Specifications (F.K.23 Bantam)

General characteristics

  • Crew: 1
  • Capacity: 378 lb (171.46 kg) disposable load
  • Length: 18 ft 5 in (5.61 m)
  • Wingspan: 25 ft (7.6 m)
  • Height: 8 ft 2 in (2.49 m)
  • Wing area: 185 sq ft (17.2 m2)
  • Empty weight: 830 lb (376 kg)
  • Gross weight: 1,333 lb (605 kg)
  • Fuel capacity: 22 imp gal (100.01 l; 26.42 US gal)
  • Powerplant: 1 × ABC Wasp II 7-cyl. air-cooled radial piston engine, 200 hp (150 kW)
  • Propellers: 2-bladed BAT tractor 5 ft 4 in (1.63 m) pitch, 7 ft 10.5 in (2.400 m) diameter

Performance

  • Maximum speed: 138 mph (222 km/h; 120 kn) at sea level
  • 134 mph (216 km/h; 116 kn) at 10,000 ft (3,048.00 m)
  • 127 mph (204 km/h; 110 kn) at 15,000 ft (4,572.00 m)
  • 121 mph (195 km/h; 105 kn) at 20,000 ft (6,096.00 m)
  • Landingspeed: 50 mph (80 km/h; 43 kn)
  • Endurance: 3 hours 30 minutes
  • Service ceiling: 20,000 ft (6,096 m)
  • Rate of climb: 1,579 ft/min (8.02 m/s)
  • Time to altitude: 5,000 ft (1,524.00 m) in 3 minutes 10 seconds
  • 10,000 ft (3,048.00 m) in 7 minutes 12 seconds
  • 15,000 ft (4,572.00 m) in 21 minutes 29 seconds
  • Wing loading: 7.2 lb/sq ft (35 kg/m2)
  • Power/mass: 0.1274 hp/lb (0.21 kW/kg)

Armament

  • Guns: 2× forward firing, synchronised 0.303 in (7.7 mm) Vickers machine guns