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Cierva C.1
1920
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For this prototype which he built at Madrid, La Cierva used the fuselage of a ...
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| This prototype was completed early in 1921. Above the centre of gravity of a Hanriot ... read more ... |
Cierva C.2
1921
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Cierva C.3
1922
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At the beginning of 1922 this prototype with five rigid blades was ready for trial ...
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| The four blades of this prototype were articulated at the root and were thus able ... read more ... |
Cierva C.4
1923
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Cierva C.6
1924
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Similar to the C.3 and also equipped with a Le Rhone 9 JA 110hp engine ...
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Cierva C.8
1926
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| The Cierva C.30A marked a major step forward in rotorcraft development, being the first production ... read more ... |
Cierva C.30
1934
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