australianhovercraft.com - Surface Effect Ships / Craft

Designers & naval architects have long recognized the need to reduce the hydrodynamic drag on ships hulls, while not inducing the drag of full flight. Using cushions and/or wings in ground effect, a craft is able to stay aloft for a longer period of time with less power requirements and hence fuel economies..

Over the centuries, developments have continued to be made in all manner of high speed marine craft including hydrodynamic monohulls, fast catamarans, hydrofoils, hovercraft, surface effect ships [SES] and wings in ground effect [WIG].

	Air-lubricated hull SES or Hydrokeel
	Sidewall SES may also be propelled by water jets
	Aircat SES with wide buoyant hulls
	Hybrid SES with rigid sidewalls and bow skirts may also be propelled by water jets
	Airjet propelled by air bled from the cushion fans
	Semi-Amphibious SES Screw-propelled
	Amphibious SES Air-propelled Velocity Series
	Ram-wing SES Air-propelled
	Wing in ground effect also known as: Aerofoil boat Ekranoplane Hoverflight Series

Source [02]
and acknowledgements to
EK Liberatore, Aeromar Corporation

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Source [02] and acknowledgements to EK Liberatore, Aeromar Corporation

Source [02]
and acknowledgements to
EK Liberatore, Aeromar Corporation