28/49
[ stop the slideshow ]

133 3304

133_3304.JPG 133 3305Thumbnails133 3303133 3305Thumbnails133 3303133 3305Thumbnails133 3303133 3305Thumbnails133 3303133 3305Thumbnails133 3303133 3305Thumbnails133 3303133 3305Thumbnails133 3303

Clutch
The silver drum in the centre of the picture is the clutch bell. Inside this is a clutch disc, which runs directly from the engine below it. It's designed to be fully diengaged below about 7000rpm and fully engaged above 10000rpm. The rotor blades operate at a fraction of this speed, not normalyl going faster than about 1700 rpm.