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The use of hydrofoils for sailing yachts is becoming more prolific. However its use in mainstream sailing classes has only become standard for the Moth dinghy class. The Moth class uses a twin T-Foil design, one on the centreboard for primary support and one on the rudder for additional support and control. The rudder T-Foil forms the basis of an experimental study carried out at the Australian Maritime College towing tank facility described here. Lift and drag data is presented for upright and heeled configurations considered indicative of windward sailing conditions. Force variation with respect to angle of incidence, depth of submergence and onset flow speed is presented using elliptical lift distribution parameters for easy design use. In addition deflection of the strut run-up was attempted to produce additional lift. Finally, a windward sailing condition prone to ventilation has been identified.

Item Type:	Refereed Conference Paper
Research Division:	Engineering
Research Group:	Maritime Engineering
Research Field:	Ship and Platform Hydrodynamics
Objective Division:	Manufacturing
Objective Group:	Computer Hardware and Electronic Equipment
Objective Field:	Integrated Systems
Author:	Binns, JR (Associate Professor Jonathan Binns)
Author:	Brandner, PA (Professor Paul Brandner)
ID Code:	53964
Year Published:	2008
Deposited By:	NC Maritime Engineering and Hydrodynamics
Deposited On:	2009-02-03
Last Modified:	2012-03-21
Downloads:	2 View Download Statistics