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Propeller efficiency is decreased.
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Density altitude does not affect propeller efficiency.
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Propeller efficiency is increased.
UAV CampusAdministrator
What effect does high density altitude have on the efficiency of a UA propeller?
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Propeller efficiency is decreased.
Density Altitude is the altitude corrected for non-standard pressure and non-standard temperatures. A high density altitude means your UAS will “feel” like it’s operating at a higher altitude, hence the performance will be diminished.