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 市区电力交通网 |
悉尼, 电车 # -
| 城市: | 悉尼  澳大利亚 |
| 运营商/停车场: | Sydney Tramway Museum |
| 型号: | (unknown) |
| 制造日期: | 1903 |
| 运营状态: | 正常运营 |
| 用处: | 服务车辆 |
| 附加信息: | Balmain Counterweight Dummy, single truck |
Made by Clyde Engineering Co.
Lenght: 3,28 m
Weight: 2 t |
显示此车辆为次等（背景）车辆的照片 (0): 隐藏 / 显示技术（质量严重不达标，有特殊意义）照片 (0): 隐藏 / 显示
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Sydney Tramway Museum
COUNTERWEIGHT DUMMY
The counterweight system was introduced in 1903 to allow trams to descend the 12,1% grade in Darling street Balmain, from Nicholson Street to the wharf.
The system consisted of a counterweight trolley running in a tunnel beneath the road, connected by a cable, which passed around a large underground pulley at the top of the hill,
to a grip dummy running on the roadway.
A tram descending to the wharf would propel the dummy down the hill, thus pulling the counterweight uphill. Then the tram started up the hill the dummy would follow behind, raised by the counterweight, and assist the tram to climb the hill.
The dummy was built using cable tram parts. It was placed out of use when the line to the wharf was closed in 1955.
13 三月 2024 年, 星期三
作者: Zxs91
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