Science of Silence
Aquadrive Classic.

Component parts include 274mm Aquadrive shaft, standard gearbox coupling kit, thrust bearing assembly and tailor-made length Aquadrive shaft.
The 42.680 Aquadrive is designed for use with engines up to 550hp, or for commercial installations up to 400hp. The final choice depends on the hull and the reduction ratio.

Used as a drive shaft alone the CV42 series shaft will take up to 800hp at 2500rpm.

The maximum speed of the drive shaft is 3000rpm and the maximum speed of the thrust bearing is 1700rpm. 550hp is 410kW. 1hp is approximately 0.75kW.