Spad Scouts SVII-SXIII

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Spad Scouts SVII-SXIII (Arco-Aircam Aviation Series 9)

By J.M. Bruce

Publisher: Arco 1969 54 Pages

ISBN: 0850450098

PDF 7 MB

One of the supreme aerial weapons of the first world war was the French Spad single-seat fighter in its various forms. Its success was the more remarkable in view of its descent from a series of undistinguished (and in some cases outlandish) predecessors that had emerged from the works of the Societe anonyme pour VAviation et ses Derives. These included the freakish Spad A,2 and A.4 in which the gunner's cockpit was mounted in front of the aircraft's tractor airscrew.

In April 1916 the Spad Type V appeared. This was a clean, compact single - seater, wholly conventional in appearance, yet embodying several structural features that had appeared in the Spad A.2 and A.4. The most notable of these were the unusual interplane bracing and the method of actuating the ailerons, which were fitted to the upper wings only. Careful attention to structural design gave the Type V an airframe of immense strength.

Louis Bechereau, ths chief designer of the S.P.A.D., had been fortunate in being able to design the new Spad type round the excellent new 140-h.p. Hispano-Suiza 8A engine designed by Marc Birkigt. Also in early prospect was a gun-synchronizing mechanism designed for this engine by Birkigt.