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1913 Military biplane Type VI
90 hp Austro-Daimler six cylinder was mounted in front driving the propeller in the back via a shaft low in the fuselage. This shaft is connected via a chain to the propeller shaft. The top fuselage longeron is connected to the aft end of the propeller shaft. The propeller shaft is hollow. Which allows the control cables for the tail to pass through the propeller shaft.
