The Constantinesco synchronisation gear

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Date:1917 - 1918 (c.)

Description:Designed by George Constantinesco, a Romanian-born engineer and inventor, who had gained fame by his invention of an improved version of a machine gun synchronization gear (a device allowing aircraft-mounted machine guns to fire through the propeller without striking the blades themselves) which replaced the clumsy mechanical linkages that had been previously employed with a hydrostatic device, based on his own novel theory of sonics, or 'wave transmission'.

Over 6,000 gears were fitted to machines of the Royal Flying Corps and the Royal Naval Air Service between March and December 1917.

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Source: Miscellaneous Collection

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