• Source: Zeppelin-Staaken R.V

The Zeppelin-Staaken R.V was one of a series of large bombers called Riesenflugzeugen, intended to be less vulnerable than the rigid airships in use at the time.




Development


In 1916, Zeppelin moved development of large bombers to Staaken, Germany. The R.V was co-developed alongside the R.VI and R.VII. The R.V had two engine pods, each with two engines paired in tandem, driving single propellers through clutches, gearboxes and shafts. An additional tractor engine was also fitted in the nose of the fuselage. The pods were large enough for some inflight maintenance. The Model R.IV was selected for production, rather than the R.V, because the geared and clutched engines posed a higher developmental risk. Each R-series aircraft required a ground-crew of 50.




Operational history


The sole R.V (R.V 13/15) was accepted into service with Rfa 501 (Riesenflugzeug Abteilung 501) on 23 December 1917, after a protracted development period, due to teething troubles with the engine transmission systems. After an initial operational mission on 25 January 1918, fifteen further operational missions were flown in eight months of service, before an emergency landing in fog ended its career on 18 October 1918.




Operators


German Empire
Rfa 501




Specifications (Zeppelin-Staaken R.V)


Data from General characteristics
Crew: seven
Length: 23 m (75 ft 6 in)
Wingspan: 42.2 m (138 ft 5 in)
Height: 6.3 m (20 ft 8 in)
Wing area: 332 m2 (3,570 sq ft)
Empty weight: 9,450 kg (20,834 lb)
Gross weight: 13,010 kg (28,682 lb)
Useful load: 3,560 kg (7,850 lb)
Powerplant: 5 × Maybach Mb.IVa 6-cyl. water-cooled in-line piston engines, 183 kW (245 hp) each
Performance

Maximum speed: 135 km/h (84 mph, 73 kn)
Endurance: 7 hours
Service ceiling: 4,500 m (14,800 ft) approx.
Time to altitude:
Wing loading: 42 kg/m2 (8.6 lb/sq ft)
Armament

Guns: 5 x machine-guns in dorsal, ventral, upper wing and two nacelle positions




Notes






References






External links



"Stakken IV". Retrieved September 27, 2010.

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