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Chapel inclined plane : ウィキペディア英語版 | Chapel inclined plane
The Chapel Inclined Plane is an inclined plane immediately to the south of Chapel-en-le-Frith, High Peak, Derbyshire. The ground here rises sharply and the inclined plane was built to connect the lower and upper levels of the Peak Forest Tramway, which was built and initially operated by the Peak Forest Canal Company. It opened for trade on 31 August 1796. ==Operating principle== At this point the ground rises by and the operating principle of the plane was that it was self-acting and loaded waggons descending under the action of gravity hauled empty waggons up it. A maximum of eight loaded waggons were permitted to descend the plane at any one time. The net (or tare) weight of a mineral waggon was between 〔 and it could carry about 2½ tons.〔 Thus the gross weight of a gang of eight waggons descending the plane was about 22 to 28 tons. Chains coupled the waggons to each other and the waggon at the rear was coupled to the incline chain/rope. In Derbyshire, the workman who made the coupling to the incline chain/rope was generally known as a ''"hanger-on"'' and he connected two special chains to the rear waggon, which he then plaited around the incline chain/rope and fastened them off with leather thongs. It was found that plaiting these chains in place had the effect of tightening their grip once the waggons were in motion on the plane. It is known that these chains were sometimes made with progressively smaller links, which also had the effect of tightening the grip but it is not known whether chains of this type were used on this plane.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Chapel inclined plane」の詳細全文を読む
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