本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 公仔箱論壇2 H# I5 G7 ^ v% K/ @; U. }5 y1 ~
) `6 \+ \6 `4 P0 @# o+ itvb now,tvbnow,bttvbScotland Canals
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/ i, Y, H Y$ W# F \4 z2 t" S) gAt the beginning there were two canals:( `7 y% [1 r( P- U) z+ @- x& O
Canal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.
" v& }+ F3 t& P( U1 btvb 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.. u: X6 b0 z K0 Y* I/ ?
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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.) h9 l! q' K" s2 ^: B
This extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy. TVBNOW 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。/ e: B) f5 m& a( T
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This 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.
9 G B6 A9 t0 D& ~: Nwww2.tvboxnow.comBoats enter the tub, then the tub locks up and the huge arm starts rotating .
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lower canal ! ?1 R/ p6 l1 l; W7 ?
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Entrance to lower canaltvb now,tvbnow,bttvb# K }8 l/ U8 g& v. a' Z
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A Boat is approaching the “tub”www2.tvboxnow.com; g2 R( `' P( V% P: K
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% h- t: ~8 C& b% ltvb now,tvbnow,bttvbThere are boats in both “tubs” upper and lowertvb now,tvbnow,bttvb9 _( e) C& P, ^) i
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: k$ f* o+ e+ O W/ ~4 Jwww2.tvboxnow.comRotation is starting
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Boats in both rotating arms
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Rotation
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, f- l" Z9 z; l! h% ztvb now,tvbnow,bttvbJust before “landing”tvb now,tvbnow,bttvb- j6 J5 ~+ u* D; \6 N. W. U
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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. 5 A8 C2 {, _: R9 [
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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 kWhwww2.tvboxnow.com1 X5 c: ]+ j& w: @4 F+ U
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