Performance of a TAP-2 Hydrofoil.
DAVID W TAYLOR NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER BETHESDA MD SHIP PERFORMANCE DEPT
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This report discusses the measured performance of the TAP-2 hydrofoil, a mixed foil designed to operate fully wetted at takeoff 35 knots and which, through a change in geometry, can fly fully ventilated at cruise speed 60 knots. At takeoff, TAP-2 has a lift-to-drag ratio of 13 at the design lift coefficient the corresponding figure for cruise speed is between 7 and 8. Predictive extrapolation to prototype scale is discussed and contrasted with our present understanding of the scaling laws associated with ventilation. Author
- Marine Engineering
- Fluid Mechanics