"trainfinder22"
<[EMAIL PROTECTED]> wrote:
> the problem with locks is that they take too long to fill or empty
>20 min is avarage.. Is there a high Speed Lock in operation anywere?
It depends significantly on the design of the lock.
Some, which have a lot of (or large) paddles connected to culverts
that enter the chamber in many places in a manner designed to minimize
turbulence are very quick, as the paddles can be opened almost fully
right away (electric assist helps). Some of the very largest locks
(e.g. Euro IV in Belgium, and on the Rhone) are some of the quickest.
Others with small, few, and/or badly placed paddles, and gates at the
other end leaking, can take a ve-ry long time, even if they accept
only one narrow boat at a time.
I heard that when the Thames' Hambleden lock was rebuilt a few years
back, EA specified a cycle time. The engineers thought it was meant
to be the shortest time allowed. EA had meant it to be the longest.
The lock could have been a lot quicker.
Adrian
Adrian Stott
07956-299966
Yahoo! Groups Links
<*> To visit your group on the web, go to:
http://groups.yahoo.com/group/canals-list/
<*> Your email settings:
Individual Email | Traditional
<*> To change settings online go to:
http://groups.yahoo.com/group/canals-list/join
(Yahoo! ID required)
<*> To change settings via email:
mailto:[EMAIL PROTECTED]
mailto:[EMAIL PROTECTED]
<*> To unsubscribe from this group, send an email to:
[EMAIL PROTECTED]
<*> Your use of Yahoo! Groups is subject to:
http://docs.yahoo.com/info/terms/
