Author(s): S. Fagg & X. Velay
The fm(s) on a windsurfer are employed to resist the sideways force generated
by the sail and also to give directional stability.
The design of the fins normally
incorporate a symmetrical cross-section as the craft must operate on both tacks.
It is recognised that the use of camber in the design of the cross-section can
increase the lift generated by a given surface area, as witnessed by the use of
variable geometry flaps on aircraft.
However the use of flaps requires the
implementation of an actuating mechanism, which is impractical for the
proposed environment of use.
A reversible variable camber lifting section is
therefore proposed in which the pressure difference between the two surfaces
invokes and controls an internal camber mechanism.
Size: 1,015 kb
Paper DOI: 10.2495/CP960171
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