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Expired
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Wilhelm Pega
Karl Emich
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Individual
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Individual
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Publication of GB191000630ApublicationCriticalpatent/GB191000630A/en
B64C11/00—Propellers, e.g. of ducted type; Features common to propellers and rotors for rotorcraft
B64C11/006—Paddle wheels
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Engineering & Computer Science
(AREA)
Aviation & Aerospace Engineering
(AREA)
Structures Of Non-Positive Displacement Pumps
(AREA)
Abstract
630. Pega, W., and Emich, K. Jan. 10. Screw propellers.-The propeller blades a of aerial propellers are arranged in a helix around the shaft b so that each blade rotates in a different plane. The blades are mounted in sockets c and are free to turn, when the propeller is rotated, under the pressure of the air against the action of a spring e which bears against a collar g united to the blade edges by wires i.
GB191000630D1910-01-101910-01-10Improvements in Propellers for Air Ships.
ExpiredGB191000630A
(en)