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Bollard pull is a conventional measure of the pulling (or towing) power of a watercraft.It is defined as the force (usually in tonnes-force or kilonewtons (kN)) exerted by a vessel under full power, on a shore-mounted bollard through a tow-line, commonly measured in a practical test (but sometimes simulated) under test conditions that include calm water, no tide, level trim, and sufficient ...
The capstan equation [1] or belt friction equation, also known as Euler–Eytelwein formula [2] (after Leonhard Euler and Johann Albert Eytelwein), [3] relates the hold-force to the load-force if a flexible line is wound around a cylinder (a bollard, a winch or a capstan). [4] [1]
This image is a derivative work of the following images: Bollard pull idealized.jpg licensed with PD-self . 2007-12-10T14:20:47Z Himbeerkuchen 568x323 (53873 Bytes) {{Information |Description=illustration of a bollard pull trial under idealized conditions |Source=own work |Date=10 December 2007 |Author=[[user:Himbeerkuchen]] |Permission=Public Domain |other_versions=Bollard_pull_real.jpb
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A roller in a typical power farming application. The roller is an agricultural tool used for flattening land or breaking up large clumps of soil, especially after ploughing or disc harrowing.
The 16 Divisions of construction, as defined by the Construction Specifications Institute (CSI)'s MasterFormat, is the most widely used standard for organizing specifications and other written information for commercial and institutional building projects in the U.S. and Canada.
Figural bollard sculptures in Geelong, Victoria Ex libris bollard outside Cambridge University Library, by Harry Gray. In Geelong, Victoria, Australia, decorative bollards, sculpted and painted by Jan Mitchell, are placed around the city to enhance the landscape as a form of outdoor public sculpture. Usually they are made of timber, minimally ...
In automotive engineering, drawbar pull is the amount of horizontal force available to a vehicle at the drawbar for accelerating or pulling a load. Drawbar pull is a function of velocity , and in general decreases as the speed of the vehicle increases (due both to increasing resistance and decreasing transmission gear ratios ).