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yr 2022
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YS-920 airfoil contributed
by Johannes Schöön
Stadt Towing Tank AS, Norway

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yr 1998
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YS-900, YS-915, YS-930 airfoils contributed 
by Johannes Schöön
Dept. of Naval Architecture and Ocean Engineering
Chalmers University of Technology, Gothenburg, Sweden


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References
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Shen, Y.T. and Eppler, R., "Wing Sections for Hydrofoils -- Part 2: Nonsymmetrical Profiles",
Journal of Ship Research, Vol. 25, No. 3, Sept 1981, pp. 191-200.

Shen, Y.T., "Wing Sections for Hydrofoils - Part 3:  Experimental Verification",
Journal of Ship Research, Vol. 29, No. 1, March 1985, pp. 39-50.

Note: Profiles 900, 915, and 930 are the same as YS-900, YS-915, YS-930.