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Old 17 August 2012, 15:09   #1
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Rain

On a recent trip after a few downpours quite a bit of rainwater lodged in the sib.If I remove the drain bung on the transom when underway would it be sucked out?There is a one way valve with a disc in the bung hole.
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Old 17 August 2012, 15:15   #2
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Not sure sticking your hand in near the prop is a good idea. You will have to be travelling at speed for it to work. How about a cut down milk bottle as a bailer instead.

Pete
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Old 17 August 2012, 15:27   #3
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Quote:
Originally Posted by billows
On a recent trip after a few downpours quite a bit of rainwater lodged in the sib.If I remove the drain bung on the transom when underway would it be sucked out?There is a one way valve with a disc in the bung hole.
That disc is a one way valve. It stops water coming back in. Well hopefully.

Whilst underway the water will slowly come out.
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Old 17 August 2012, 16:24   #4
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Quote:
Originally Posted by Pete7 View Post
You will have to be travelling at speed for it to work.
I have a bung on my transom (about 1.5" diam) which is on the INSIDE of the transom so it can be removed without risking mincing your hand; it will drain the boat at about 10-12 knots (basically as the boat starts to plane properly). Although it doesn't have a one way valve on the outside which might mean it needs more 'suck' to drain? On the other hand it also means I need to get the bung back in before slowing down.

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How about a cut down milk bottle as a bailer instead.
Certainly a good idea!
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Old 17 August 2012, 16:59   #5
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Stop the boat. Reach down and remove plug. Bring it inside the boat. Take off again and cruise to destination. When stopped again, casually reinstall the plug. It will slowly suck the water out as you drive.

If you leave it out while parked it will slowly refill the boat. Mine takes about an hour to fill the boat over the floor boards.
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Old 17 August 2012, 18:12   #6
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You will remove as much water inside deck as long you maintain bow up at slow speed and have managed to release water plug when under way, place back plug asap or water will begin to come inside deck, valve issues.

At plane due to transom/sea level angle water exiting through diaphragm will be much less than having bow up. If needing to remove large amounts of water use a bottle, canister, etc.

Happy Sibbing
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