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How to drain water from Boat while on Water

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How to drain water from Boat while on Water

Old 01-27-2017, 03:03 PM
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Default How to drain water from Boat while on Water

I'm new to this forum.
Lets say I put my boat on the water at the dock for a few days and use it as needed. After a few days of rain water is collected in the boat. Obviously I can't open the boat's lower drain plug, since the boat would then sink, so how do I get rid of water that is sitting in the boat?
thank you
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Old 01-27-2017, 03:08 PM
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You can normally remove the trtansom plug providing you are underway on plane.

As long as the boat is a planing hull and is on plane you should be able to look over the transom and see the drain outlet clear as day behind the boat.

Some hulls like whalers will float regardless of drain plug installation, what kind of boat is it?
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Old 01-27-2017, 03:08 PM
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Bilge pump or manual pump. Last resort pull the plug and get the boat up on plane to drain then reinsert plug.
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Old 01-27-2017, 03:08 PM
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bilge pump and then a big sponge for the rest
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Old 01-27-2017, 03:11 PM
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Originally Posted by textured captain View Post
You can normally remove the trtansom plug providing you are underway on plane.

As long as the boat is a planing hull and is on plane you should be able to look over the transom and see the drain outlet clear as day behind the boat.

Some hulls like whalers will float regardless of drain plug installation, what kind of boat is it?
Thank you for your reply,
it is a Cobia 174 SF. Those 2 drains you are talking about have a ball valve on the outside in order to avoid water getting in to the boat. The Brass drain plug, which in at the lowest end of the Boat can't be reached while the boat is in the water.
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Old 01-27-2017, 03:15 PM
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https://images.jamestowndistributors...0/00003604.jpg

manual bilge pump.
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Old 01-27-2017, 03:22 PM
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If you have access to a shore power hookup use a shop vac
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Old 01-27-2017, 03:28 PM
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so lets get it straight , you have a boat that sits in the water with no bilge pump ? how about you cut off the bottom of a Clorox bottle and use as a scoop or get a manual pump . hope you have this boat insured
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Old 01-27-2017, 03:34 PM
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Originally Posted by 2swift View Post
Bilge pump or manual pump. Last resort pull the plug and get the boat up on plane to drain then reinsert plug.
I'm sure this is what you meant, but you may want to reverse the order of step one and two, or hope for one hell of a hole shot lol.

Sorry I had to.
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Old 01-27-2017, 03:36 PM
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Originally Posted by Abamard View Post
Thank you for your reply,
it is a Cobia 174 SF. Those 2 drains you are talking about have a ball valve on the outside in order to avoid water getting in to the boat. The Brass drain plug, which in at the lowest end of the Boat can't be reached while the boat is in the water.
Whoa thats one hell of a boat to have in the water with no auto pump. Didnt it come with one from the factory? I was imagining a jon boat or a small starcraft or something. Holy cow.

Last edited by textured captain; 01-27-2017 at 03:37 PM. Reason: Are we being frydaddied again?
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Old 01-27-2017, 03:40 PM
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Just get on the three stooges short about fishing and use Curley's "water letterouter" and all will be just as it worked for them.
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Old 01-27-2017, 03:40 PM
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I bet he's just being anal-retentive about that little bit of water the bilge pump can't pick up. (No insult intended to the O.P.) I say don't worry about it. You said you're only leaving it in the water for a few days? Just drain it when you do trailer it again. A little water won't hurt a boat. LOL
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Old 01-27-2017, 04:40 PM
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How to get water of of the bilge? Flip the bilge pump on!

Don't have a bilge pump? Get the boat out of the water!

LoL
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Old 01-27-2017, 05:12 PM
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Originally Posted by textured captain View Post
I'm sure this is what you meant, but you may want to reverse the order of step one and two, or hope for one hell of a hole shot lol.

Sorry I had to.
I run a 190 Seaboss and have used the Drain plug Technic at least twice 20 plus miles offshore. Sucks when you bilge pump fails and your live well wasn't sealed well from the factory. "Fixed that". We have also re floated boats the same way under tow.
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Old 01-27-2017, 05:13 PM
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Originally Posted by cape_fisherman View Post
How to get water of of the bilge? Flip the bilge pump on!

Don't have a bilge pump? Get the boat out of the water!

LoL
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Old 01-27-2017, 05:23 PM
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Originally Posted by 2swift View Post
I run a 190 Seaboss and have used the Drain plug Technic at least twice 20 plus miles offshore. Sucks when you bilge pump fails and your live well wasn't sealed well from the factory. "Fixed that". We have also re floated boats the same way under tow.
Yeah pulling the plug first is not an issue in something likie that or the OPs rig. I was still laboring under the jonboat delusion. I could picture the op going down to davie while his 9.9 tohatsu sputtered to a stop lol.
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Old 01-27-2017, 05:29 PM
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Originally Posted by textured captain View Post
Yeah pulling the plug first is not an issue in something likie that or the OPs rig. I was still laboring under the jonboat delusion. I could picture the op going down to davie while his 9.9 tohatsu sputtered to a stop lol.


This is an old one 10yrs that we used to re float the poor guys rig.
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Old 01-27-2017, 05:34 PM
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Pretty sure my buddy's Ranger didn't come with a bilge pump from the factory. There are boats out there that don't... I think it's absolutely insane and would add one immediately. If I kept my boat in the water I would have two on two separate batteries.
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Old 01-27-2017, 05:56 PM
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I certainly wouldn't be undoing the transom drain whilst the boat is on the plane

The answer is as simple as cape_fisherman says.
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Old 01-27-2017, 06:01 PM
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OP is who you see on the news.
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