Evaluation of Altitude-Compensated Carburetor on H-13H Helicopters.
ARMY AVIATION TEST BOARD FORT RUCKER ALA
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Two altitude compensating carburetor modification kits were installed on each of two YH-13H Helicopters at this Board and flown for a period of approximately three months by pilots with varying experience in H-13H Helicopters without altitude-compensated carburetors installed. Two production model H-13H Helicopters with the production-line compensated carburetors installed were flown for a period of approximately 100 hours each by various pilots of this command. Tests were conducted at various gross weights from no payload to maximum takeoff gross weights and from sea level to altitudes of approximately 15,000 feet utilizing all feasible power settings. Author
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