Investigation of the Hydrodynamic Characteristics of the Panto-Base Chase C-123 Airplane

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Description

An investigation of a 1/14-scale dynamically similar model of a panto-base version of the Chase C-123 airplane was conducted to evaluate the hydrodynamic characteristics of the airplane. The resistance, longitudinal stability, and spray patterns during take-off and general behavior in calm- and rough-water landings were determined. Brief calm-water tests were made to compare the initial vertical impact accelerations of the model with and without hydro-skis. Take-off stability was satisfactory for calm-water operation. A ratio of gross load to maximum resistance of 3,6 was obtained. Heavy spray reached the propellers only during ski emergence. The landing behavior in calm water and ... continued below

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[26] p. : ill.

Creation Information

Thompson, William C. & Fisher, Lloyd J. January 29, 1954.

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This report is part of the collection entitled: National Advisory Committee for Aeronautics Collection and one other and was provided by UNT Libraries Government Documents Department to Digital Library, a digital repository hosted by the UNT Libraries. It has been viewed 124 times . More information about this report can be viewed below.

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  • Main Title: Investigation of the Hydrodynamic Characteristics of the Panto-Base Chase C-123 Airplane
  • Series Title: NACA Research Memorandums

Description

An investigation of a 1/14-scale dynamically similar model of a panto-base version of the Chase C-123 airplane was conducted to evaluate the hydrodynamic characteristics of the airplane. The resistance, longitudinal stability, and spray patterns during take-off and general behavior in calm- and rough-water landings were determined. Brief calm-water tests were made to compare the initial vertical impact accelerations of the model with and without hydro-skis. Take-off stability was satisfactory for calm-water operation. A ratio of gross load to maximum resistance of 3,6 was obtained. Heavy spray reached the propellers only during ski emergence. The landing behavior in calm water and in waves 3 feet by 150 feet (full scale) was satisfactory for a normal range of trim angles. Initial impacts in calmwater landings resulted in vertical accelerations of about 2 1/2 with the hydro-skis installed and about 4g with the hydro-skis removed,.

Physical Description

[26] p. : ill.

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  • URL: http://hdl.handle.net/2060/20090026986 External Link
  • Report No.: NACA-RM-SL54A28
  • Center for AeroSpace Information Number: 20090026986
  • Archival Resource Key: ark:/67531/metadc65588

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National Advisory Committee for Aeronautics Collection

The National Advisory Committee for Aeronautics (NACA) was a U.S. federal agency founded on March 3, 1915 to undertake, promote, and institutionalize aeronautical research. On October 1, 1958 the agency was dissolved, and its assets and personnel transferred to the newly created National Aeronautics and Space Administration (NASA).

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Creation Date

  • January 29, 1954

Added to The UNT Digital Library

  • Nov. 17, 2011, 5:13 p.m.

Description Last Updated

  • March 7, 2018, 12:40 p.m.

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Thompson, William C. & Fisher, Lloyd J. Investigation of the Hydrodynamic Characteristics of the Panto-Base Chase C-123 Airplane, report, January 29, 1954; (digital.library.unt.edu/ark:/67531/metadc65588/: accessed July 18, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.