In 1985, the United States Coast Guard and The University of Michigan initiated a planing hull research project. The research was performed as part of the UWUSCG Officer Trainingship Program. Early work at U of M included the design and fabrication of a dynamometer which could oscillate a model venically and measure the resulting forces. Tests were performed for verification of dynamometer performance and to determine added mass and damping coefficients for a prismatic planing form. A description of the dynamometer construction and calibration, and preliminary results are included.
Design, Construction, and Initial Testing of a Vertical Motion Mechanism
Ashcroft, Frederick, Troesch, Annin, and Phillip Sullivan. "Design, Construction, and Initial Testing of a Vertical Motion Mechanism." Paper presented at the SNAME 22nd American Towing Tank Conference, St. John's, Newfoundland, Canada, August 1989. doi: https://doi.org/10.5957/ATTC-1989-025
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