screw propeller


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screw propeller

[′skrü prə‚pel·ər]
(mechanical engineering)
A marine and airplane propeller consisting of a streamlined hub attached outboard to a rotating engine shaft on which are mounted two to six blades; the blades form helicoidal surfaces in such a way as to advance along the axis about which they revolve.
References in periodicals archive ?
However, the robot has also very good efficiency in comparison with screw propeller underwater robots and real fishes in nature.
Additional force created by the screw propeller can be calculated as follows:
Instead of the usual screw propellers you find on boats or underwater vehicles, Finnegan has four flippers, known to engineers as flapping foils, that roll and twist through the water.
The advantage of using the NeuroSolutions NN to predict the optimum ship screw propeller is the processing speed, once the database requested for training is prepared.
- Screw Propellers (Propulsion) Competitor Revenue Share (in %): 2019 & 2025
Universal rescue vehicle (URV) is a passenger all-terrain vehicle of amphibious type, which is provided with four screw propellers, two on each side of the vehicle (Fig.
(Historians are divided as to whether these were operated by foot or by hand.) Although the most well-known illustration of the Turtle shows screw propellers, this is historically inaccurate they more resembled two-armed windmills.