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Overview
1947/1948: SO1100 ARIEL I
By the end of World War II, a helicopter Department was created under the direction of Paul MORAIN. Using some mechanical parts and engineers from the German firm Focke, an autogiro, taking off vertically, powered by a 9.75 m diameter jet rotor with three blades was developed and presented at the first post-war air Show in Paris in November 1946.
The SO1100 used a Mathis G7 engine with a maximum power of 175 HP. After numerous tie-down tests, the first "free flight" occurred on 7th March 1949, piloted by Claude DELLYS. However, the yaw controllability was very insufficient and the carburetion system was difficult to adjust with a prohibitive consumption.
Some important modifications from this deleted program lead to development of the Ariel II version.
in History of the Helicopter.
Éditions France-Empire.
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