Autorotation - PowerPoint PPT Presentation

A COMPUTER BASED AUTOROTATION TRAINER

A COMPUTER BASED AUTOROTATION TRAINER. Edward Bachelder, Ph.D. Bimal L. Aponso Dongchan Lee, Ph.D. Systems Technology, Inc. Hawthorne, CA Presented at: 2005 International Helicopter Safety Symposium September 26-29, 2005, Montreal, Quebec, Canada. OVERVIEW. Motivation and concept

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A COMPUTER BASED AUTOROTATION TRAINER

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343 views • 31 slides

Project

Project. Autorotation. Drag coefficient. Rotor acts as a parachute with drag coefficient of order 1 The helicopter starts by falling like a stone, and then (around 1/3 of the way)reaches steady state velocity. At steady state drag is equal to weight, W=D, to calculate CD need to know V.

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