The Friedrichshafen FF.40 was a German three-seat

floatplane A floatplane is a type of seaplane with one or more slender floats mounted under the fuselage to provide buoyancy. By contrast, a flying boat uses its fuselage for buoyancy. Either type of seaplane may also have landing gear suitable for land, ...

of the 1910s produced by Flugzeugbau Friedrichshafen.

Development and design

The FF.40 was designed to meet a German Imperial Navy requirement for a three-seat patrol seaplane. It was a

biplane A biplane is a fixed-wing aircraft with two main wings stacked one above the other. The first powered, controlled aeroplane to fly, the Wright Flyer, used a biplane wing arrangement, as did many aircraft in the early years of aviation. While ...

but had an unusual powerplant design. The

Maybach Mb.IV The Maybach Mb.IV, originally designated Maybach HS, (only related to the Mb IVa by layout and size), was a six cylinder in-line piston engine of output, originally developed for use in airships. It was also used for large aircraft such as the Ze ...

was fitted in the fuselage and drove two tractor propellers mounted just forward of and between the wings on each side. Only one aircraft was built.

Development and design

Operators

Specifications (FF.40)

See also

References

Bibliography

Further reading