Variable body helicopter with tandem lifting rotors

Details Variable body helicopter with tandem lifting rotors Variable body helicopter with tandem lifting rotors

B - Operations, Transporting

64

C

B64C 27/08 (2006.01) B64C 1/30 (2006.01)

Patent

CA 2266700

The helicopter is of a type that has tandem lifting rotors with a body consisting of a front section and a rear section The rear section of the body is narrower than the front section of the body, thereby allowing the rear section to travel into the front section. Channelled railings attached to the front section of the body firmly hold the rear section through railings attached to the rear section. These railings guide the movement of the rear section relative to the front section. A shaft consisting of two sections is used to synchronize the tandem arranged rotors. A narrower section of the shaft slides into the wider section of the shaft when the rear section of the body moves into the front section of the body. Bearings support the synchronizing shaft. Bearings on the rear section of the body are able to move longitudinally along the rear section of the body to allow for spacing of the bearings during the expansion and contraction of the body. A telescopic link is used to control bearing movement on the rear section of the body.

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