NASA NTRS · 20040086741
A Variable Diameter Short Haul Civil Tiltrotor
Abstract
The Short-Haul-Civil-tiltrotor (SHCT) component of the NASA Aviation System Capacity Program is an effort to develop the technologies needed for a potential 40-passenger civil tiltrotor. The variable diameter tiltrotor (VDTR) is a Sikorsky concept aimed at improving tiltrotor hover and cruise performance currently limited by disk loading that is much higher in hover than conventional helicopter, and much lower in cruise than turbo-prop systems. This paper describes the technical merits of using a VDTR on a SHCT aircraft. The focus will be the rotor design.
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Wang, James M., Jones, Christopher T., Nixon, Mark W.. 1999-01-01. A Variable Diameter Short Haul Civil Tiltrotor. https://ntrs.nasa.gov/citations/20040086741
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