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Investigating sailing styles and boat set-up on the performance of a hydrofoiling Moth dinghy

Findlay, M.W. and Turnock, S.R. (2008) Investigating sailing styles and boat set-up on the performance of a hydrofoiling Moth dinghy At 20th International HISWA Symposium on Yacht Design and Yacht Construction. 17 - 18 Nov 2008. 16 pp.

Record type: Conference or Workshop Item (Paper)

Abstract

The adoption of hydrofoils in the International Moth class of dinghy has posed new challenges to sailors both in terms of the set-up of the boat and hydrofoils, and their sailing techniques and styles. The experience of sailors in the class indicates that the height above the water surface at which the boat is flown (ride height) and the amount of windward heel (heel angle) are critical factors affecting performance, particularly in upwind sailing. The fore-aft position of the helm affects the stability of the craft and, in conjunction with the aft foil settings, alters the pitch orientation of the craft and offers potential for significant gains in performance. A four degree of freedom velocity prediction programme (VPP) with the capability to investigate these factors is presented and used to demonstrate how the fore-aft position of the helm and the aft foil may be used in conjunction to maximise speed.

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More information

Submitted date: 1 October 2008
Published date: 17 November 2008
Venue - Dates: 20th International HISWA Symposium on Yacht Design and Yacht Construction, 2008-11-17 - 2008-11-18
Keywords: vpp, velocity prediction, simulation, international moth, moth, moth dinghy, hydrofoils, hydrofoil control, modelling
Organisations: Fluid Structure Interactions Group

Identifiers

Local EPrints ID: 63963
URI: http://eprints.soton.ac.uk/id/eprint/63963
PURE UUID: 8a375902-759d-4bd9-80d9-363b55fd2a9f
ORCID for S.R. Turnock: ORCID iD orcid.org/0000-0001-6288-0400

Catalogue record

Date deposited: 20 Nov 2008
Last modified: 17 Jul 2017 14:14

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Contributors

Author: M.W. Findlay
Author: S.R. Turnock ORCID iD

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