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Hispano-Suiza Aeronautical Engines, Birkigt Patents: Instruction Book, July 1918, Series No. 4h (Classic Reprint)
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About Hispano-Suiza Aeronautical Engines, Birkigt
Excerpt from Hispano-Suiza Aeronautical Engines, Birkigt Patents The remarkable progress that has taken place in the field of aviation during the past few years has been due largely to the rapid developments made in aero nautical engines. Most of the early aeroplanes were equipped with rotary engines. -these engines had the advantage of being light in weight, but they lacked power and reliability. Moreover, they were uneconomi'cal in oil and gasoline. Lt soon became apparent that any fur ther progress in aeronautical engines must necessarily come from developments along the lines of.the more powerful stationary engines. During the spring of 1916, the Societe hispano-suiza of France presented the'first hispano-suiza engine to the Technical Section of the French Aviation. This was a stationary V type engine of 150 H. P. This type A hispano-suiza was soon after adopted by the French military authorities. Fitted on the Spad plane, it was brought up to the front in August 1916, and underwent the most severe practical tests during the battle of the Somme. It was due largely to the performance of the Hispano Suiza engine during this battle that the French were able to gain the supremacy of the air....
