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In the latter part of the 19th century, wire rope systems were used as a means of transmitting mechanical power [11] including for the new cable cars. Wire rope systems cost one-tenth as much and had lower friction losses than line shafts. Because of these advantages, wire rope systems were used to transmit power for a distance of a few miles ...
A&A Records – founded in Toronto at the end of WWII, it was the dominant record chain store in Canada until being superseded by Sam the Record Man in the 1960s; it became defunct in 1993 A&B Sound – home electronics retailer based in Richmond , BC; founded in 1959, it had expanded as far as Winnipeg , Manitoba by 2000, but its subsequent ...
A turnbuckle, stretching screw or bottlescrew is a device for adjusting the tension or length of ropes, cables, tie rods, and other tensioning systems. It normally consists of two threaded eye bolts , one screwed into each end of a small metal frame, one with a conventional right-hand thread and the other with a left-hand thread.
Typical values are 1.04 for roller bearing sheaves and 1.09 for plain bearing sheaves (with wire rope). [11] The increased force produced by a tackle is offset by both the increased length of rope needed and the friction in the system. In order to raise a block and tackle with a mechanical advantage of 6 a distance of 1 metre, it is necessary ...
Woodbine Centre is a shopping mall in Toronto, Ontario, Canada. It is located at Rexdale Boulevard and Highway 27 in the Rexdale area of Toronto, across Rexdale Boulevard from Woodbine Racetrack. The mall has over 130 stores and is home to Fantasy Fair, a year-round indoor amusement park. The fair houses a Charles I. D. Looff carousel.
Although there were occasional innovations, the rope used today is similar in construction, strength, and durability across manufacturers. Overall there is a huge variety of climbing ropes available for different purposes; for instance, there are well over one hundred different dynamic single ropes (the most popular rope system in climbing). [3]