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A disadvantage of a single-engine tractor military aircraft was that it was initially impossible to fire a gun through the propeller arc without striking the blades. Early solutions included mounting guns
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The problem of firing through the propeller's arc was avoided by passing the gun barrel through the propeller's hub or spinner – first used in production military aircraft with the 1917 French
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places the airscrew behind, and "pushes" the aircraft forward. Through common usage, the word "propeller" has come to mean any airscrew, whether it pulls or pushes the aircraft.
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Mario
Calderara, Commander Calderara Glances Backward and Ahead, U.S. Air Services, Volume 15, Air Service Publishing Company, September 1930, page 38
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in front, so that the aircraft is "pulled" through the air. This is the usual configuration; the
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to shoot only at instants when the line of fire was unobstructed, developed by aircraft pioneer
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Aircraft design in which the propeller is mounted on the front and pulls the craft forward
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The first system to fire through the propeller was developed by French engineer
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The first successful airplanes to have a "tractor" configuration were the 1907
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both tractor and pusher designs were common. However, by the midpoint of the
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The first biplane airplane to have a "tractor" configuration was the
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aircraft (with an unusual 3rd tractor engine on the tail) at
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230:(first flight on 11 March 1909) designed by
373:"Calderara, Mario in Dizionario Biografico"
246:called the tractors "Bleriot type" after
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397:. 23 April 1910. 475. Archived from
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317:synchronization gear
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333:Sopwith 1½ Strutter
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110:October 2011
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52:Please help
47:verification
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221:Blériot VII
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350:References
340:SPAD S.XII
327:monoplane
325:Fokker E.I
228:Goupy No.2
138:Cessna 172
80:newspapers
291:monoplane
190:propeller
184:with its
410:See also
182:aircraft
174:aviation
344:jet age
329:in 1915
304:of the
295:aviator
273:biplane
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211:Origins
199:In the
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395:Flight
265:rifles
252:Farman
186:engine
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