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Tunnels


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#1 Chrisc

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Posted 26 May 2019 - 07:21 AM

After 261 last year and 114 so far this year we have become a bit blase about locks but not so tunnels where we have just gone through tunnel No.5.
The bogey of transiting tunnels has been laid to rest after last year's disaster with a tunnel on the Marne en Rhin canal where we sustained a bit of paint damage to our railings and topsides. The tunnels are all a standard 5.3m wide which doesnt leave a lot of room to play with when you have a 3.2m beam, and the tunnels on the aforementioned canal are unlit. The mishap was the result of an accident so it would not be fair to name the guilty party, suffice to say that in endeavouring to light up the way ahead with the spotlight the other person on board managed to dislodge the plug thereby plunging the tunnel into absolute darkness which resulted in a number of collisions with the tunnel walls before power was restored. The already chilly atmosphere inside the tunnel was lowered further for quite some time thereafter..
However, the tunnels on the Petite Saone are all lit and that makes all the difference. The tunnel in the picture is 685m, the one we go through tomorrow is 640m and in a few days time, one at 4.8km. That'll be fun.
So here is the run-up to the tunnel.

20190525_111941.jpg

And the tunnel itself.

20190525_111304.jpg
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#2 w44vi

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Posted 26 May 2019 - 08:57 PM

Do they have "traffic lights" or is it just luck that you don't have boats entering at opposite ends at the same time  


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#3 Chrisc

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Posted 27 May 2019 - 03:18 AM

Both locks and tunnels are controlled by lights. You are given a device similar to an electronic garage door opener. About 300m before the lock of tunnel there is a post on the canal bank with a box surmounted by a strobe light on top of it. You push the button on your remote as you motor past and the strobe light will commence flashing to indicate signal received. On the lock or tunnel there will be a red light which means stop of course. When the green light illuminates - you have a red and green horizontally next to each other - red and green both lit means prepare to get underway. Then the red light goes out leaving just the green lit which means go for it. There are radar sensors at either end of locks and tunnels so the entire system of traffic control is automated which works very well.
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#4 lateral

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Posted 28 May 2019 - 11:38 AM

Very cool. Would love to do that!

Gnarly looking protuberances sticking down from roof?

Daughter sent me this going under the Eel pond bridge in Woods hole, Ma.

Bit close for comfort I thought. Young people in a hurry!

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