Preliminary Design of a Tip-Jet-Driven Heavy Lift Helicopter Incorporating Circulation Control | Zendy

Robert E. Head | Zendy

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Preliminary Design of a Tip-Jet-Driven Heavy Lift Helicopter Incorporating Circulation Control

Author(s) -

Robert E. Head

Publication year - 1981

Publication title -

nasa sti repository (national aeronautics and space administration)

Language(s) - English

Resource type - Reports

DOI - 10.21236/ada099192

Subject(s) - lift (data mining) , circulation (fluid dynamics) , jet (fluid) , aerospace engineering , marine engineering , physics , mechanics , engineering , computer science , data mining

: This report describes a preliminary design study for a Very Heavy Lift Helicopter (VHLH) that is powered by jets at the blade tips and is controlled by circulation control applied to the main rotor blades. The main thrust of the program was to integrate a tip-jet-powered helicopter design computer program developed by Hughes Helicopters, Inc. (HHI) with circulation control data generated by the David Taylor Naval Ship Research and Development Center (DTNSRDC). This work combined the computer program integration work with an air vehicle preliminary design study to size the helicopter and describe its features. The result of this study is the sizing of a four-engined helicopter with a 185-foot-diameter, two-bladed main rotor that is designed to carry the XM-1 Main Battle Tank 100 nautical miles in a ship-to-shore Marine Corps assault mission.

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