X-Nico

unusual facts about direct drive



Smith-class destroyer

The ships' steam turbines were direct drive and arranged in a similar manner to Sir Charles Parsons' Turbinia, with a high-pressure turbine on the center shaft exhausting to two low-pressure turbines on the outboard shafts.


see also

Flathead engine

A new arrival is the Belgian D-Motor LF26, a compact 2.7-litre flat-four aero-engine that has direct drive to a propeller, rather than a reduction gearbox.

Liquid crystal on silicon

Commercial implementations of LCoS technology include Sony's SXRD (Silicon X-tal Reflective Display) and JVC's D-ILA (Digital Direct Drive Image Light Amplifier).

Lycoming O-580

Lycoming IO-580, a 1997 direct drive, six-cylinder airplane engine, including the AEIO-580 aerobatic engine.

River-class destroyer

Eden was given turbines to test their viability for future destroyer classes, with three propellers on each of her two shafts, to transmit the power at the high revolutions of the direct drive turbines, a feature of the earlier Turbinia.