An investigation of variable rotor RPM on performance and trim

Annual Forum Proceedings - AHS International

Volumn 1, Issue , 2008, Pages 697-705

  Steiner, Jason ^a   Gandhi, Farhan ^a   Yoshizaki, Yuji ^b  

^a The Pennsylvania State University   (United States)

^b MITSUBISHI HEAVY INDUSTRIES LTD   (Japan)

Author keywords

[No Author keywords available]

Indexed keywords

AUTOMOBILE ENGINES; AUTOMOBILE PARTS AND EQUIPMENT; ENERGY CONSERVATION; MACHINE DESIGN; MAGNETIC STORAGE; OCEANOGRAPHY; REDUCTION; SEA LEVEL; SPEED; WATER LEVELS;

CENTRIFUGAL FORCES; COLLECTIVE PITCH; CYCLIC PITCH; ENGINE PERFORMANCES; ENGINE SPEEDS; FLIGHT ENVELOPES; GROSS WEIGHT; HIGH ALTITUDES; LOW ALTITUDES; OPTIMAL REDUCTIONS; POWER SAVINGS; ROTOR POWER; ROTOR SPEEDS; SHAFT TORQUE; SIGNIFICANT FACTOR; STALL MARGIN;

HELICOPTER ROTORS;

EID: 50249095630     PISSN: 15522938     EISSN: None     Source Type: Conference Proceeding    
DOI: None     Document Type: Conference Paper

References (9)

1. Johnson, W., Yamauchi, G. K., and Watts, M. E., "Design and Technology Requirements for Civil Heavy Lift Rotorcraft," Proceedings of the American Helicopter Society Vertical Lift Aircraft Design Conference, San Francisco, CA, January 2006.
2. th Annual Forum, Phoenix, AZ, May 6-8, 2003.
3. Blackwell, R., and Millot, T.,"Dynamics Design Characteristics of the Sikorsky X2 Technology™ Demonstrator Aircraft," American Helicopter Society 64th Annual Forum, Montreal, Canada, April 29-May 1, 2008.
4. Karem, Abraham E., 1999. Optimum Speed Rotor. U.S. Patent Application No. 60/075,509, Feb. 20, 1998.
5. rd Annual Forum, Virginia Beach, VA, May 1-3, 2007.
6. Yeo, H., Bousman, W., Johnson, W., "Performance Analysis of a Utility Helicopter with Standard and Advanced Rotors," Journal of the American Helicopter Society, January 2005.
7. Leishman, J. Gordon, Principles of Helicopter Aerodynamics," Cambridge University Press, New York, NY, 2006.
8. Chen, Robert T. N. "An Exploratory Investigation of the Flight Dynamics Effects of Rotor RPM Variations and Rotor State Feedback in Hover." National Aeronautics and Space Administration. Ames Research Center, Moffet Field, CA. September 1992.
9. th Annual Forum, Baltimore, MD, June 7-10, 2004.