本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯
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) c! I% @& t8 Vtvb now,tvbnow,bttvbScotland Canals
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At the beginning there were two canals:
0 _" i5 Z9 R( a8 D; r% K+ e/ V; @tvb now,tvbnow,bttvbCanal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.5 q% [2 T/ K5 O- b: g
Canal Union between Falkirk and Edinburgh was finished in 1822. Because of geographical difficulties, which created a difference of 79 ft. in elevation, the two canals were connected by 11 locks.公仔箱論壇' B8 G8 d8 u& N7 N
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In 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.
; o8 ?" N( ^, f4 u B$ O5.39.217.76This extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. 5.39.217.76& g8 z3 F; W: {: s* L
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% J) V6 F: W& c- D% H% n& [5.39.217.76This is the only rotational boat transporter in the world. It has two arms and each arm forms a kind of huge tub filled with water.
% ^: v. C8 j, Q: F公仔箱論壇Boats enter the tub, then the tub locks up and the huge arm starts rotating .5.39.217.76& v _4 {' M, z% C3 t( z k
4 N/ q2 _3 H2 J8 r9 } iTVBNOW 含有熱門話題，最新最快電視，軟體，遊戲，電影，動漫及日常生活及興趣交流等資訊。lower canal 公仔箱論壇) Z1 d. y5 N/ U6 q1 q9 W1 |
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Entrance to lower canal
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A Boat is approaching the “tub”
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There are boats in both “tubs” upper and lower公仔箱論壇# M6 j- P$ {- }& q. v1 G
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( @ Q2 h4 F- M5 Rtvb now,tvbnow,bttvbRotation is starting
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Boats in both rotating arms! L7 v- w2 Y7 c( {0 i# a8 n
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Rotationtvb now,tvbnow,bttvb7 @- g0 v9 F0 Q/ A/ B
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' f- C* z& w( v1 t/ z# M$ }5.39.217.76公仔箱論壇% t8 @1 M! b0 }- g. T7 Y+ h
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Just before “landing”5.39.217.767 t# [, L3 n' r( m0 Q
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1 H# r0 b! |2 YClosing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.公仔箱論壇0 }, g- E9 X4 a/ A* n' `
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One“tub” 78 ft. long with water and boat weights about 300 tons.
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/ f& @3 f. s4 y) m: F( l5.39.217.76The“tubs” are filled according the Archimedes’ Law. So the weight of “tubs” are balanced. To open the upper and lower lock and turn the whole system by 180◦they need an engine of 22.5 kW which only use 1.5 kWh
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