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Hardware (Mechanical) - Coupling, Trunnion, Latch, Ball, Century Tower Clocks, Key, Hurriquake, Electrical Conductor, Hardware Store (Paperback) Loot Price: R270 Discovery Miles 2 700
Hardware (Mechanical) - Coupling, Trunnion, Latch, Ball, Century Tower Clocks, Key, Hurriquake, Electrical Conductor, Hardware...
Hardware (Mechanical) - Coupling, Trunnion, Latch, Ball, Century Tower Clocks, Key, Hurriquake, Electrical Conductor, Hardware...

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Hardware (Mechanical) - Coupling, Trunnion, Latch, Ball, Century Tower Clocks, Key, Hurriquake, Electrical Conductor, Hardware Store (Paperback)

Source Wikipedia; Edited by Books Llc; Created by Books Llc

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Loot Price R270 Discovery Miles 2 700

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Pages: 34. Chapters: Coupling, Trunnion, Latch, Ball, Century tower clocks, Key, HurriQuake, Electrical conductor, Hardware store, Belleville washer, Bushing, Hinge, Bucket, Threaded insert, Air blaster, Builders hardware, Ferrule, Tether, Shaft collar, Machine element, Turnbuckle, Disc coupling, Pintle, Jaw coupling, Grease fitting, Shim, D-ring, Carpentier joint, Segmented spindle, Reduction drive, Tensioner, Camlock, Shear pin, Floating hinge, Standoff, Poly-cap, Rubber washer. Excerpt: A trunnion (from Old French "trognon," trunk) is a cylindrical protrusion used as a mounting and/or pivoting point. In a cannon, the trunnions are two projections cast just forward of the centre of mass of the cannon and fixed to a two-wheeled movable gun carriage. As they allowed the muzzle to be raised and lowered easily, the integral casting of trunnions is seen by military historians as one of the most important advances in early field artillery. 15th Century depiction of a cannon with trunnions With the creation of larger and more powerful siege guns in the early 1400s, a new way of mounting them had to be specially designed. Stouter gun carriages were created with reinforced wheels, axles, and "trails" which extended behind the gun. Guns would be up to eight feet in length and shoot iron projectiles weighing from twenty-five to fifty pounds. These wrought iron balls when discharged were comparable in range and accuracy with stone-firing bombards. Trunnions were mounted near the center of mass to allow the barrel to be elevated to any desired angle, without having to dismount it from the carriage upon which it rested. Some guns had a second set of trunnions placed several feet back from the first pair, which could be used to allow for easier transportation. The gun would recoil causing the carriage to move backwards several feet but men or a team...

General

Imprint: Books LLC, Wiki Series
Country of origin: United States
Release date: August 2011
First published: August 2011
Authors: Source Wikipedia
Editors: Books Llc
Creators: Books Llc
Dimensions: 246 x 189 x 2mm (L x W x T)
Format: Paperback - Trade
Pages: 36
ISBN-13: 978-1-156-95075-3
Barcode: 9781156950753
Categories: Books
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LSN: 1-156-95075-9

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