Spray rig developed by Canadian National Research Council for in-flight study of phenomenon and testing of protective systems; ice accretion on main rotor blades; primary effect is increase in drag, resulting in drop in rotor rpm; secondary effects include vibration, damage due to flying ice, and throttle limitation; icing on other components; means of protection suggested.
Some aspects of helicopter icing
Can Aeronautical J
Canadian Aeronautical Journal ; 3 , n 8
1957
11 pages
Article (Journal)
English
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