Patent ID: 6164590
Filing Date: 2000-12-26
Classification: B64C

Abstract:
A helicopter, being a helicopter with tandem lifting rotors and a body that consists of a plurality of sections, which said body can be varied in length such that the internal area of the said body can be varied without adding sections to the said body, or removing sections of the said body from the said body,with sections of the said body connected by a plurality of channelled railings such that sections of the said body connected by the channelled railings are able to move relative to one another, and through that movement alter the length of the said body, with a shaft used to synchronize the rotation of the said tandem lifting rotors, which said shaft consists of a plurality of sections, such that the length of the said shaft is able to be varied by using a telescopic sliding movement, whereby a section of the said shaft is splined externally, which said externally splined section of the said shaft is able to slide into and out of an internally splined section of the said shaft.