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Propeller walk (also known as propeller effect, wheeling effect, paddle wheel effect, asymmetric thrust, asymmetric blade effect, transverse thrust, prop walk) is the term for a propeller's tendency to rotate about a vertical axis (also known as yaw motion). The rotation is in addition to the forward or backward acceleration.
The pivoting design allows the outboard motor to be swiveled by the operator in almost all directions: Sideways for direction, up and down to change the thrust line according to speed or bow lift, elevate completely out of water for easy starting, placing the drive shaft and the propeller forward along the side of the boat for reverse, or put ...
Motor Wheel moved into making steel wheels in the 1920s and brake drums in the 1930s. [2] In 1961, Motor Wheel moved its headquarters to another facility, and demolished many of the buildings on the old site. Motor Wheel became a subsidiary of Goodyear Tire and Rubber Company in 1964, but left Lansing entirely in 1996. [2]
For aircraft with counter-rotating propellers (i.e. not rotating in the same direction) the P-factor moments are equal and both engines are considered equally critical. Fig. 1. The operating right-hand engine will produce a more severe yawing moment towards the dead engine, thus making the failure of the left-hand engine critical
Diagram of Detroit Dry Dock, 1894 (North is to the left). The only remaining structures are the machine shop and Dry Dock #2 Five of six buildings of the Engine Works complex are visible in this image; from left to right: the end of the industrial loft, the foundry, chipping room, end of the machine shop addition, and the end of the machine shop.
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A ducted propeller, also known as a Kort nozzle, is a marine propeller fitted with a non-rotating nozzle. It is used to improve the efficiency of the propeller and is especially used on heavily loaded propellers or propellers with limited diameter. It was developed first by Luigi Stipa (1931) and later by Ludwig Kort (1934). The Kort nozzle is ...
A wooden disk attached to the propeller is used to indicate where each round passes through the propeller arc. A synchronization gear (also known as a gun synchronizer or interrupter gear ) was a device enabling a single-engine tractor configuration aircraft to fire its forward-firing armament through the arc of its spinning propeller without ...