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Old 08-01-2017, 08:09 AM   #1
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Wave slap

We purchased a Mainship 400 T, two years ago and find that the wave slap, at anchor, is terrible. We are considering a change of boats and we're curious if the Rumrunners and Pilots are quieter?
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Old 08-01-2017, 08:32 AM   #2
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Hello Capt Bill,

There a re ways to reduce wave slap if you have access to the waterline area in the forward cabin. There are damping products you can apply at the chine and just above and below the waterline that can reduce the "empty drum" sound of wave slap.

Some of us like it, others like yourself don't

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Old 08-01-2017, 08:32 AM   #3
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all my boats have had hard chines that catch the waves and slap, always liked the noise.... any thoughts on floating a soft boom around the bow to break the waves?
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Old 08-01-2017, 08:36 AM   #4
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Or maybe consider a caravan
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Old 08-01-2017, 08:38 AM   #5
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I have seen pool noodles used to reduce slap noise
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Old 08-01-2017, 08:48 AM   #6
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sleeping up front on most boats is noisey.
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Old 08-01-2017, 09:12 AM   #7
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Ear plugs would be cheaper than changing boats.


Yes, sometimes that slap is annoying, sometimes it doesn't happen. Sometimes it even happens in a marina slip. You might try running a fan or quiet music to cover up the sound.


We've gotten used to it.
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Old 08-01-2017, 09:23 AM   #8
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A friend on a '77 mainship 34' filled the chine with foam and glassed over it for the 8' long section or so that creates the slap. He said performance of the boat was unaffected since the boat never goes over displacement speeds anyway. I got used to it on my old boat, current boat has no hard chine, so no noise.
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Old 08-01-2017, 09:38 AM   #9
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Many (maybe even most) boats do it. When we got our new Navigator two years ago, I thought I would never get used to it. After a while, I did. Still, if you haven't gotten used to it in two years, that suck a little. Good luck.
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Old 08-01-2017, 10:28 AM   #10
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Quote:
Originally Posted by WesK View Post
Ear plugs would be cheaper than changing boats.


Yes, sometimes that slap is annoying, sometimes it doesn't happen. Sometimes it even happens in a marina slip. You might try running a fan or quiet music to cover up the sound.


We've gotten used to it.
Like Wes, I've gotten used to it over the years. Very rarely is it bothersome to me. Ear plugs would work as well.

Wave slap is less annoying that a spouse that snores. Changing a boat is slightly less expensive that changing a spouse so there are normally other ways to deal with the issue.

OTOH, if you want a new boat anyway then use wave slap as a great excuse to shopping!
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Old 08-01-2017, 11:08 AM   #11
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Quote:
Originally Posted by Captbill View Post
We purchased a Mainship 400 T, two years ago and find that the wave slap, at anchor, is terrible. We are considering a change of boats and we're curious if the Rumrunners and Pilots are quieter?

Forward master berth?

Yeah, that'll happen. Many boats, not just those models of Mainship.

-Chris
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Old 08-01-2017, 12:40 PM   #12
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We have a 2000 30' Mainship Pilot. We just recently had it in Marathon Key, Fl in some pretty windy weather on the hook. We experienced very little wave slap. She's one of the quietest boats I've ever slept on.
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Old 08-01-2017, 12:44 PM   #13
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Wave slap

I am hoping that present or past owners of the Rum Runner or Pilot will respond. This is not my first or second or third, etc. boat but it is the noisiest by far. Still looking for the perfect boat.
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Old 08-01-2017, 01:42 PM   #14
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Have a 2004 Pilothouse Sedan and there is a bit of slap. Not sure how it compares to other boats though as I have only owned a 22' Bayliner with a cuddly cabin. We had slap on that boat as well. I think it might be an occupational hazard for most boaters.
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Old 08-01-2017, 04:18 PM   #15
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Never could sleep trapped down below in a fwd cabin.
One of the reasons we got what we have is the upstairs main cabin.
No noise, plenty of light and an abundance of fresh air.
A REAL walk around king size bed is an added bonus.
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Old 08-01-2017, 04:36 PM   #16
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Wave slap

Thanks, everyone for your replies. I am not thinking of getting another boat because of the noise. I am considering downsizing and looking for something a little quieter. We did get used to the noise.
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Old 08-01-2017, 05:34 PM   #17
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Aft cabin!!
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Old 08-01-2017, 05:41 PM   #18
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Quote:
Originally Posted by Sealife View Post
A friend on a '77 mainship 34' filled the chine with foam and glassed over it for the 8' long section or so that creates the slap. He said performance of the boat was unaffected since the boat never goes over displacement speeds anyway. I got used to it on my old boat, current boat has no hard chine, so no noise.
Scott, you beat me to it. I was also going to suggest the filling and glassing at the chine line. If you will look carefully at the bow section of a hard chine boat, most are slightly turned down to keep the spray down. That hollow section is what causes most of the noise. There is a trade off here. Filling the chine will make for a much wetter ride.

The Mainship Pilot series is much more like a lobster hull with no hard chine at the bow. I had a Pilot 34. You can still get slapping against the hull. They do, however, have a very wet ride. To knock down most of the spray I installed two 13' sections of the Smart Rail System on the waterline. One on the starboard, one port. They didn't increase the noise very much.

My Blackfin had a very wet ride, so I installed two Spray rails at the bow. Worked like a charm. Some may have noticed in my video of running the Blackfin there was zero spray coming aboard.
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Old 08-01-2017, 07:06 PM   #19
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Old 08-01-2017, 08:00 PM   #20
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Rear stateroom solves chine slap sleep disturbance.
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