本帖最後由 serrurier 於 2013-12-19 07:24 AM 編輯 公仔箱論壇: e4 A t: L# b, t0 T: ^" D! w
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Scotland Canals
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At the beginning there were two canals:
Y- ~0 O# m; ECanal Forth and Clyde was built in 1777, between harbors Grangemouth and Falkirk connecting Glasgow with west cost of Scotland.公仔箱論壇) B# E# d6 |) L9 F" ?
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.tvb now,tvbnow,bttvb! T( j9 K0 [" B: k# J
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2 X9 B/ j. ~3 W+ S+ H公仔箱論壇In 1963,after 150 yrs of existence of this water way with 11 locks the construction of a huge water carousel started.
5 V, g$ j/ f E3 h+ ftvb now,tvbnow,bttvbThis extraordinary idea was finished in 2002 and became a symbol of Scotland.This invention saves not only time but also energy.
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3 K* a) Z+ i, @ ]6 PThis 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 p! S* b: F4 H; A9 Y; A7 Mtvb now,tvbnow,bttvbBoats enter the tub, then the tub locks up and the huge arm starts rotating .8 F. Y- g3 F# R% Q) @8 ~2 M
, t" s% A8 V4 u* G公仔箱論壇lower canal
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Entrance to lower canal2 P# V) q7 a' C; @& k9 _: }
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8 g1 r X: U$ |2 y7 Fwww2.tvboxnow.comA Boat is approaching the “tub”
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( Q& b0 i. G5 `! g# `) XTVBNOW 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。
2 s5 O5 s& J G/ |. pThere are boats in both “tubs” upper and lower$ Y& a8 d6 }' L5 V4 ]* w
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' S+ v/ C5 o' f. H6 ]2 d7 NRotation is startingTVBNOW 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。) _3 S A5 g& p9 P" P' Y8 h
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Boats in both rotating arms公仔箱論壇+ d+ ]6 U: c( w
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Rotation公仔箱論壇5 z7 C$ T/ e( @3 o( C" l a
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% `7 A l* y9 d0 btvb now,tvbnow,bttvbJust before “landing”
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Closing the gate, regulation of level of water and“tubs” rotation Takes 15 min. only.4 U, s( ~* E5 g3 b
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% ?" ?) y! p$ vtvb now,tvbnow,bttvbOne“tub” 78 ft. long with water and boat weights about 300 tons. tvb now,tvbnow,bttvb' t2 R1 N' |. K& L
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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 kWh
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發表於 2013-12-19 07:01 AM
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