Friedrichshafen FF.71
| FF.71 | |
|---|---|
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| Front view of the FF.71 prototype after it had been modified with a passenger cabin | |
| Role | floatplane airlinerTemplate:Short description |
| National origin | Germany |
| Manufacturer | Flugzeugbau Friedrichshafen / LFG |
| First flight | April 1919 |
| Number built | 4 known, perhaps 2 more |
| Developed from | Friedrichshafen FF.49C |
The Friedrichshafen FF.71 was a German biplane floatplane designed by the Friedrichshafen Aircraft Construction Company (Script error: No such module "Lang".) after the end of the First World War in November 1918. It was derived from the two-seat wartime FF.49C reconnaissance aircraft and modified to accommodate passengers. Friedrichshafen is known to have built one prototype; production of five FF.71a production aircraft is attributed to Script error: No such module "Lang". (LFG). Three of these appear on the German civil aircraft register in the early 1920s. Surviving documentation is sparse and little is known about the aircraft and their activities.
Development and description
The FF.71 was a conventional design with equal-span three-bay wings. The undercarriage consisted of two widely spaced floats that were attached to the fuselage by multiple V-struts. The water-cooled Script error: No such module "convert". Benz Bz.IV straight-six engine was positioned at the front of the fuselage driving a two-bladed propeller. The radiator was positioned at the front of the upper wing, above the engine. The aircraft was fitted with the pilot's cockpit in front and accommodation for an unknown number of passengers behind him. Initially the passengers and the pilot sat in the open, but the passengers were later protected by an enclosed cabin, leaving the pilot exposed.[1]
The FF.71 made its first flight in either April[2] or May 1919.[1] LFG had built FF.49Cs under license from Friedrichshafen during the war and reportedly built the five FF.71a's in 1921. Three of these are noted on the civil aircraft register before 1922 as being flown by Lloyd Luftverkehr Sablatnig, a small airline controlled by Sablatnig.[3]
Specifications (FF.71a)
Data from Flugzeugbau Friedrichshafen GmbH: Diplom-Ingenieur Theodor Kober[2]
General characteristics
- Crew: 1
- Capacity: up to 3 paxTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/convertTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/engTemplate:Aircraft specs/lengthTemplate:Aircraft specs/convert
- Propellers: 2-bladed wooden fixed-pitchTemplate:Aircraft specs/length
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See also
Related lists
References
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Bibliography
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