Until recently Hamilton has had a virtual monopoly of the propeller business. Lately, however, it and its most formidable rival, famed old Curtiss-Wright Corp., have been seeking another ...

NTSB issued a safety alert warning pilots to train for partial as well as full ... feathering propellers on multiengine aircraft are equipped with mechanisms called start locks that keep propeller ...

The new propeller is a105-inch diameter, composite, five-blade, constant-speed design capable of full feathering with reversible pitch and ice protection. The testing included full-scale and model ...

from simple fixed-pitch propellers to controllable pitch propellers – which allows the pilot to adjust the angle of the propeller – to more complex full feathering propellers in which the ...

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