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[4] [5] Hydraulic "active boost" winches control the oil flow from the pump(s) to the winch so that the target position is reached. Hydraulic winch systems can use accumulators and passive heave compensation to form a semi-active system with both an active and a passive component. In such systems the active part will take over when the passive ...
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The winch is either controlled with a detachable cable, a button inside the car or wireless remote. Older vehicles may have a PTO winch, controlled via the car's transmission, a secondary clutch maybe used so the vehicle does not need to be moving while winching. Some winches are powered by the pressure generated in the hydraulic steering system.
The first of these systems used mechanical clutches between luffing and hoist drums, giving simplicity and a "near level" result. [ 5 ] Later systems have used modern electronic controls and quickly reversible motors with good slow-speed control to the hoist winch motors, so as to give a positioning accuracy of inches.
Capstan winches were also important on sailing trawlers (e.g. Brixham trawlers) as a means for fetching in the nets after the trawl. When they became available, steam powered capstan winches offered a great saving in effort. These used a compact combined steam engine and boiler below decks that drove the winch from below via a shaft.
Two new wolf packs spotted in Northern California reveal a continued resurgence of the species, a century after they disappeared from the Golden State. Wildlife officials confirmed the existence ...
The Las Vegas Raiders are not trading star edge rusher Maxx Crosby.Team owner Mark Davis stated so emphatically in an email to ESPN, via Adam Schefter. "We're Not Trading Maxx Crosby," Davis said ...
A centrally mounted self-recovery winch is an option and this is fitted to around 20% of production. [1] The two-door forward control cab seats two. It is of heavy-duty welded steel construction with corrosion-resistant sheet metal skins. Add-on armor kits were produced by Simula Inc. and BAE Systems.