G.I, G.II and G.III
Rumpler G.III
Role Bomber aircraft
National origin Germany
Manufacturer Rumpler
First flight 1915
Primary user Luftstreitkräfte
Number built c. 222
Rumpler G.I

The Rumpler G.I was a bomber aircraft produced in Germany during World War I, together with refined versions known as the G.II and G.III.[1]

Design and development

Based on a prototype with the factory designation 4A15, the G.I and its successors were built to a conventional bomber design for their time, two-bay biplanes with unstaggered wings of unequal span.[2] The pilot sat in an open cockpit just forward of the wings, and open positions were provided in the nose and amidships for a gunner and observer. The engines were mounted pusher-fashion in nacelles atop the lower wings and enclosed in streamlined cowlings.[2] Fixed tricycle undercarriage was fitted, with dual wheels on each unit.[2]

The G.II version was almost identical, but featured more powerful engines and carried a second 7.92 mm (.312 in) machine gun and increased bombload.[2] The G.III was again similar, but had engine nacelles that were now mounted on short struts clear of the lower wing.[2]

Variants

The Rumpler 4A 15 - prototype of the G.I
Rumpler G.II
  • 4A15 - prototype with Benz Bz.III engines[3]
  • 5A15 - G.I production version with single machine gun and Benz Bz.III or Mercedes D.III engines[4] (c. 60 built)[2]
  • 5A16 - G.II production version with Benz Bz.IV engines and two machine guns[5] (c. 72 built)[6]
  • 6G2 - G.III production version with Mercedes D.IVa engines and two machine guns[7] (c. 90 built)[6]

Specifications (G.III)

Rumpler G.III

Data from Kroschel & Stützer 1994, p.140

General characteristics

  • Crew: Three
  • Length: 12.00 m (39 ft 4 in)
  • Wingspan: 19.30 m (63 ft 4 in)
  • Height: 4.50 m (19 ft 2 in)
  • Wing area: 73.0 m2 (785 sq ft)
  • Empty weight: 2,365 kg (5,203 lb)
  • Gross weight: 3,620 kg (7,964 lb)
  • Powerplant: 2 × Mercedes D.IVa , 190 kW (260 hp) each

Performance

  • Maximum speed: 165 km/h (103 mph, 90 kn)
  • Range: 700 km (440 mi, 380 nmi)
  • Service ceiling: 5,000 m (16,000 ft)

Armament

  • 1 × trainable 7.92 mm (.312 in) Parabellum MG14 machine gun in nose
  • 1 × trainable 7.92 mm (.312 in) Parabellum MG14 machine gun in dorsal position
  • 250 kg (550 lb) of bombs

Notes

  1. ↑ Taylor 1989, p.772
  2. 1 2 3 4 5 6 The Illustrated Encyclopedia of Aircraft, p.2834
  3. ↑ Gray & Thetford 1962, p.529
  4. ↑ Gray & Thetford 1962, p.530
  5. ↑ Gray & Thetford 1962, p.531
  6. 1 2 Kroschel & Stützer 1994, p.140
  7. ↑ Gray & Thetford 1962, p.532

References

Wikimedia Commons has media related to Rumpler G.I, Rumpler G.II and Rumpler G.III.
  • Gray, Peter; Owen Thetford (1962). German Aircraft of the First World War. London: Putnam.
  • Herris, Jack (2014). Rumpler Aircraft of WWI: A Centennial Perspective on Great War Airplanes. Great War Aviation Centennial Series. Vol. 11. n.p.: Aeronaut Books. ISBN 978-1-935881-21-6.
  • The Illustrated Encyclopedia of Aircraft. London: Aerospace Publishing.
  • Kroschel, Günter; Helmut Stützer (1994). Die Deutschen Militärflugzeuge 1910–1918. Herford: Verlag E.S. Mittler & Sohn.
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