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Alfaro, Heraclio
Aircraft Engine & Development Co Inc

Heraclio Alfaro was a Spanish aviator who was knighted at the age of 18 by King Alfonso XIII of Spain for designing, building, and flying Spain's first airplane. He developed a barrel engine for aircraft use which was later produced by the Indian Motorcycle Company as the Alfaro. It was a perfect example of the "put in everything" design, as it included a sleeve valve system based on a rotating cylinder head, a design that never entered production on any engine. It was later developed further for use in the Doman helicopter by Stephen duPont, son of the president of the Indian Motorcycle Company, who had been one of Alfaro's students at MIT.


Aircraft Engine & Development Co Inc,
Boston MA.


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