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'[EE] Falkirk Wheel boat lift'
2007\12\11@145811 by M. Adam Davis

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I had never heard of this type of boat lift, and thought it was too
cool not to share.

http://en.wikipedia.org/wiki/Falkirk_Wheel

Very cool concept, well executed.

What other methods have been used to raise/lower boats besides locks?

One of the many benefits of this design is that it doesn't require
movement of water in the direction of gravity to operate, and yet
requires very little effort to rotate, so it would still work in areas
where you don't want to change the water levels, or you want to use
the energy in falling water for another use rather than powering
locks.

They spend a bit of time looking at the sun gears that keep the
caisions level - I'd like to see the seals they use at the top and
bottom to prevent water for going where it shouldn't...

-Adam

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2007\12\11@150903 by peter green

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> What other methods have been used to raise/lower boats besides locks?
>
>  
There is the anderton boat lift which was orignally hydralic, then
converted to a pulley and counterweight system then converted back to
hydralics.

2007\12\11@171206 by Rolf

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M. Adam Davis wrote:
{Quote hidden}

My favorite is:
http://en.wikipedia.org/wiki/Peterborough_Lift_Lock

Been there to see it in action.

See also
http://www.geocaching.com/seek/cache_details.aspx?guid=2da7b4e4-a546-4807-81a7-ad7c093445af

Rolf

2007\12\11@173057 by Zik Saleeba

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How about this one in Russia which transports sizeable ships hundreds
of meters over a dam:

http://englishrussia.com/?p=1676

Cheers,
Zik

2007\12\11@184855 by M. Adam Davis

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wow.

-Adam

On Dec 11, 2007 5:30 PM, Zik Saleeba <spam_OUTzikTakeThisOuTspamzikzak.net> wrote:
> How about this one in Russia which transports sizeable ships hundreds
> of meters over a dam:
>
> http://englishrussia.com/?p=1676
>
> Cheers,
> Zik
>
> -

2007\12\11@191220 by Dr Skip

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It's tough to look at it going over that spindly little bridge... Talk about
stress testing!


Zik Saleeba wrote:
> How about this one in Russia which transports sizeable ships hundreds
> of meters over a dam:
>
> http://englishrussia.com/?p=1676
>
> Cheers,
> Zik

2007\12\11@213348 by Apptech

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I have some photos of the Anderton boat lift which I'll put
on web sometime when/if I remember/get to it.

Conversion back to the original form was done for
restoration purposes.


       Russell

>> What other methods have been used to raise/lower boats
>> besides locks?

> There is the anderton boat lift which was orignally
> hydralic, then
> converted to a pulley and counterweight system then
> converted back to
> hydralics.

2007\12\11@221509 by Gordon Williams

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----- Original Message -----
From: "Rolf" <.....learrKILLspamspam@spam@rogers.com>
To: "Microcontroller discussion list - Public." <piclistspamKILLspammit.edu>
Sent: Tuesday, December 11, 2007 5:11 PM
Subject: Re: [EE] Falkirk Wheel boat lift


: >
: My favorite is:
: en.wikipedia.org/wiki/Peterborough_Lift_Lock
:
: Been there to see it in action.
:

I used to live in Peterborough.  Considering it was made almost 100 years
ago it is a very impressive engineering feat.

2007\12\12@043716 by Alan B. Pearce

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>What other methods have been used to raise/lower boats besides locks?

There have been various methods involving railway tracks. There is a project
underway to restore one such lift in the UK, where the boat is lifted
sideways up a hill on a set of tracks. Ah, think I have found it (by going
through the 'See Also' links) to the 'Canals of the United Kingdom' page,
and thence to 'Inclined Planes' ...
http://en.wikipedia.org/wiki/Foxton_Inclined_Plane#Foxton_Inclined_Plane

A variation is seen on the recently screened (in the UK) Michael Palin
travel series 'New Europe' (or something like that) where he does a tour
through the eastern European states that have 'abandoned' communism and
seeking to join the Euro Zone. In one of the episodes he goes on a boat
trip, and the boat floats onto a cradle that is then hauled up hill on
railway lines, rather like a cradle for getting boats out of water to
service the hull, except that in this instance the cradle then drops into
more water at a higher level, and the boat continues on its way.

2007\12\12@054544 by peter green

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> Conversion back to the original form was done for
> restoration purposes.
>  
I thought they did it because they considered the structure no longer
strong enough to support the pully system.

Also IIRC the new hydralics are oil filled rather than water filled.

2007\12\12@082644 by Walter Banks

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While looking for a online reference and pictures for the
Peterborough hydraulic lift lock I ran across this link.

http://deputy-dog.com/2007/10/11/hardcore-boat-lifts/

I agree with the comments about the Peterborough lift lock.
It is a fine example of Victorian engineering. It cost about
$0.5 Million over a hundred years ago. Now it is used
mostly for pleasure craft. Basically implemented as a giant
bathtub (with water about 1300 tons) on a hydraulic
cylinder. It is impressive to see in action.

Walter..



Gordon Williams wrote:

> {Original Message removed}

2007\12\12@085017 by M. Adam Davis

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That's a great page, thanks!  The water slope was surprising to me.

-Adam

On 12/12/07, Walter Banks <.....walterKILLspamspam.....bytecraft.com> wrote:
{Quote hidden}

> > {Original Message removed}

2007\12\13@010712 by James Newton

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Does anyone know how the tubs are sealed against the opening to the lake or
the channel at the top when they are opened for the passage of the craft in
or out of them?

--
James.

{Original Message removed}

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