| The Athena Research Ship System - a Decade-Plus of Service |
AUG 89 |
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| Authors:
James A. Heffner; DAVID W TAYLOR NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER BETHESDA MD SHIP HY DROMECHANICS DEPT
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 | This report has been prepared to document the performance of the ATHENA Research Ship System over a decade-plus of service. The charter for the System was basically stated by Rear Admiral Robert Geiger, the Chief of Naval Research, on the occasion of the dedication of the USS CHEHALIS as the research vessel ATHENA. Admiral Geiger's statement essentially provides the unifying theme to what must appear to outside observers as a ... |
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| Athena Research Ship System (Users Guide) |
MAY 88 |
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| Authors:
James A. Heffner; Shelton M. Gay; DAVID TAYLOR RESEARCH CENTER BETHESDA MD SHIP HYDROMECHANICS DEPT
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| This manual was developed to provide general information regarding the Athena Research Ship System and specific data relative to the capabilities of the two ships in operation. Administrative, ship performance and ancillary equipments data are included to provide a potential user with sufficient information to judge the suitability of the ships for support of particular projects. Potential users are encouraged to inquire about the availability of the ships and request ... |
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| Calibration of the R/V ATHENA Speed Sensor |
APR 1981 |
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| Authors:
Shelton M. Gay; James A. Heffner; DAVID W TAYLOR NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER BETHESDA MD SHIP PERFORMANCE DEPT
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| The Kenyon knotmeter on the R/V ATHENA was calibrated at sea. The calibration method is based on use of the ship's LORAN-C and CC-2 computer to provide a measure of ship speed relative-to-ground. However, the calibration procedure also accounts for ocean current speed and direction. Thus the technique results in an accurate measure of ship speed relative-to-water upon which the knotmeter calibration can be based. Calibration data indicate that the ... |
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| Tactical Trials of USS Plymouth Rock (LSD 29). |
AUG 1956 |
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| Authors:
James A. Heffner; DAVID TAYLOR MODEL BASIN WASHINGTON DC
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| The USS PLYMOUTH ROCK (LSD 29) is a high speed, steam turbine, twin-screw, twin rudder dock ship built by the Ingalls Shipbuilding Corporation, Pascagoula, Mississippi. The tactical trials were authorized by the Bureau of Ships, and were conducted on 23, 24, and 25 September 1955, off Rockland, Maine. Standard 540 degree turns were made using various approach speeds and rudder angles. Special turns were made while backing the inboard shaft. ... |
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