lowhead dams and hydraulics
Posted by: pagayeur on May-22-13 5:22 PM (EST) Category: unassigned
Click on this link to see an excellent video on Submerged Hydraulic jump, i.e. why low head dams and hydraulics are dangerous and how they are formed:
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Nothing like having been in one. |
Posted by: ezwater on May-22-13 6:54 PM (EST)
I've experienced leg entrapment too.
A little long and technical|
Posted by: eckilson on May-23-13 5:43 AM (EST)
but an excellent explanation. Interesting how the hydraulics change with different water levels upstream and downstream. There are so many dams around here that I just stay away from all of them. Thanks for posting - good reminder.
Now if we could only learn ya |
Posted by: TommyC1 on May-23-13 7:00 AM (EST)
to stay out of them holes!
You mean like this one...|
Posted by: eckilson on May-23-13 6:48 PM (EST)
Posted by: RubricOfRuin on May-23-13 7:39 AM (EST)
too bad people who need to listen to it - recreational kayakers without any idea as to what it is they are doing - never will see it (or have the patience to sit though 20 minutes of "boring technocal scaremongering")
very good video and explanation ........|
Posted by: pilotwingz on May-23-13 9:22 AM (EST)
...... thanks for posting , seriously important topic . One never knows how many people will watch this , the more it's put out there , the more chance it has to stop the unknowing from going over or getting close the lowheads .
Posted by: jsmarch on May-23-13 9:30 AM (EST)
For a while I worked as a family doc in Montana. Had a lovely couple as patients and delivered their baby. Two weeks later he went over a diversion dam in a canoe and got caught in the rebar at the bottom of a hydraulic, drowned. I still remember the horror and sadness...
Posted by: mrmannerz on May-23-13 11:48 AM (EST)
That was most excellent.
I'm so grateful for Pnet. We have |
Posted by: suntan on May-23-13 12:29 PM (EST)
several of these in our area that I intended to run... not knowing the danger. In fact, there's a lot of things I've learned here that have saved me much time, money and very possibly, my life.