Understanding Interlock Yarders (Classic Reprint)

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Excerpt from Understanding Interlock YardersThe interlock problem, as expressed by the yarder designer, is the need for a device to recover the horsepower potentially wasted at one drum in the haulback drum during inhaul) and make it avail able as a power supply to other drums in the yarder drum set (such as the main line and/or slack-pulling drums). The details of such a device are influenced by the tension, 't, and line speed, The interlock problem can best be discussed in terms of these variables and how design requirements are related to them.The power flow to or from a yarder drum can be expressed as the product of the tension on the line and the speed of it, namely.About the PublisherForgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.comThis book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully, any imperfections that remain are intentionally left to preserve the state of such historical works.