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SIAI S.21

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SIAI S.21
Role Racing flying boat
National origin Italy
Manufacturer SIAI
First flight 1921
Primary user Italy
Number built 1

The SIAI S.21 was an Italian racing flying boat built by SIAI for the 1921 Schneider Trophy race.

Design and development

The S.21 was a single-seat inverted sesquiplane (its upper wing being of shorter span that its lower wing) flying boat, with its engine mounted on struts above its hull and below its upper wing. The 224 kW (300 hp) Ansaldo San Giorgio 4E-14[1] engine drove a four-bladed pusher propeller. Small stabilizer floats were mounted beneath the lower wing on each side.

Operational history

During test flights, the S.21 proved extremely difficult to control, and the only pilot who had success with it was Guido Jannello, who had already made an impression at the 1918 Schneider Trophy, in a Savoia S.13. When Jannello fell ill at the time of the 1921 Schneider Trophy race and was unable to pilot it, the S.21 was withdrawn from the race.[2]

  • In the animated film Porco Rosso, the main protagonist's plane is referred to as Savoia S.21. However, it does not resemble a real S.21, and instead is the author's interpretation of the Macchi M.33 monoplane.[3]

Operators

 Kingdom of Italy

Specifications

Data from Aviation: SIAI racing seaplanes and Japanese Wikipedia SIAI S.21

General characteristics

  • Crew: one

Performance

See also

Related lists

Notes

  1. ^ Aviation: SIAI racing seaplanes (Racing hydroplanes SIAI)
  2. ^ Japanese Wikipedia SIAI S.21
  3. ^ McCarthy, Helen (1999). Hayao Miyazaki : master of Japanese animation : films, themes, artistry (Revised ed.). Berkeley, Calif.: Stone Bridge Press. p. 164. ISBN 1880656418.

References