本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 os.tvboxnow.com/ j2 s/ V9 [6 ?& {2 A
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6 g$ P; r$ c G, P# Xtvb now,tvbnow,bttvbAt the beginning there were two canals:
0 H9 [4 V' H5 w8 r) N7 sCanal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
! r5 g7 g& Q+ T; n& C4 Ctvb now,tvbnow,bttvbCanal 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.+ z, w2 Y. d+ o6 Z4 h2 ?* W
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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.tvb now,tvbnow,bttvb1 k$ d7 V- z) h( r4 ?$ _0 j
This extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. os.tvboxnow.com$ r$ r6 X% m4 Y
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9 d+ H. D k: l9 cThis 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.4 K% J( l0 m, y7 [1 W- p* A* s
Boats enter the tub, then the tub locks up and the huge arm starts rotating .
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% V4 ?6 D# z5 Jos.tvboxnow.comlower canal
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$ J% o! }; b& n& @Entrance to lower canal
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M" Q" a/ a4 J# FA Boat is approaching the “tub”
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There are boats in both “tubs” upper and lower J% J. _3 y+ v, E9 P0 ~
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2 E& b5 U z& K公仔箱論壇Rotation is startingtvb now,tvbnow,bttvb- X9 f j" _6 h* F4 R
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0 C$ l9 [# |: K1 C5 T公仔箱論壇Boats in both rotating arms
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Rotation
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) i$ L7 a3 W6 M( ~tvb now,tvbnow,bttvbJust before “landing”0 P8 T F* s4 r. I" e, w
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Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.
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One“tub” 78 ft. long with water and boat weights about 300 tons. os.tvboxnow.com7 r! g% [5 @5 k3 W9 W3 p R
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The“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 kWhtvb now,tvbnow,bttvb# h8 o* U3 j; s7 U$ v3 T
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