Thread: Geosapper
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Unread 05/18/2004, 02:01 PM   #55
Protector of Diver Dan
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Join Date: Oct 1999
Location: Minneapolis, MN - Land of the Frozen Reef
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Originally posted by nameless
With the surge tube having a downward bend like that, how does the siphon get 'reestablished' after it breaks at the end of a surge?
The surge will restart once the water level rises above the bend.

Also, what percentage of each holding area do you 'surge' out? In the plans, it looks like about half, but I wasn't sure if that was just for plan purposes....
The length of the bend determines the amount that is surged out. In particular the length of the downward pointing piece. The water has to drop below that to break the siphon. This is one way of determining the amount that is actually surged.

No one has posted on this thread in a long time. Are people that used this still using it? Is it working?
I can't speak for anyone else, but I am. Yes, it works wonderful.


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