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  Boat Jumps Out of Trailer Bow Stop

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Author Topic:   Boat Jumps Out of Trailer Bow Stop
floater88 posted 08-11-2015 05:14 PM ET (US)   Profile for floater88   Send Email to floater88  
I read through the info Jimh has posted on the right trailer for my Whaler. The trailer that came with my boat is a full wobble wheel roller trailer with 20 wheels. This summer I replaced all the rotted black Yates wheels with the Urethane ones that are stiffer and don't mark the bottom of the boat.

http://i123.photobucket.com/albums/o316/sterios/DSCN2492_zpsmcykkbru.jpg
http://i123.photobucket.com/albums/o316/sterios/DSCN2493_zpsbzo87zqz.jpg
http://i123.photobucket.com/albums/o316/sterios/DSCN2494_zpsbfh4ndee.jpg
http://i123.photobucket.com/albums/o316/sterios/DSCN2496_zpsxe7e9fiu.jpg
http://i123.photobucket.com/albums/o316/sterios/DSCN2497_zpsz8jkyxt3.jpg

As a reult of this upgrade the boat now seems to slide around on the stiffer rollers and has split the bow stop 3 times

http://i123.photobucket.com/albums/o316/sterios/DSCN2500_zpsdbsq1ev9.jpg

The first time it split the bow stop I didn't notice it till I got home and I ended up with a looney sized hole in the gel coat right down to the fiber glass strands. I filled the hole with 34 5200 and will sand is smooth soon.

The Whaler is tied down at the back with a 30 000 pound winch strap that passes through the grab rails over the gunnels and hooks onto the trailer on both sides. I've tried adjusting the front Bow Stop post but it only made it harder to launch and retrieve the boat.

What I would like to know is should I realign the rollers so they are between the 'ribs' on either side of keel or have the 'ribs' sit right on the rollers?? I have guides on the back of the trailer and they help to put the boat in the same spot every time. I can't afford another trailer at this time. When I purchased this boat from the owner he gave me a piece of paper from the Marina stating that the trailer was appropriate for this boat.

Also should I try and add another keel roller near the front to hold up the bow and keep the weight off the rubber Bow stop? Thanks

Tom Hemphill posted 08-11-2015 06:22 PM ET (US)     Profile for Tom Hemphill  Send Email to Tom Hemphill     
Forgive me if I missed it, but what model of Boston Whaler do you have?
floater88 posted 08-11-2015 07:40 PM ET (US)     Profile for floater88  Send Email to floater88     
Sorry it's an 88 Revenge 20 WT with a 200 Merc and a 15 Merc.
contender posted 08-11-2015 08:16 PM ET (US)     Profile for contender  Send Email to contender     
Float, I would use a strap to go around the rear of your boat from trailer to trailer, and put a turnbuckel on the front eye (You got mail)
floater88 posted 08-11-2015 09:03 PM ET (US)     Profile for floater88  Send Email to floater88     
Got the mail thanks Contender. Great idea.
fno posted 08-12-2015 12:47 AM ET (US)     Profile for fno  Send Email to fno     
I would get rid of that crappy bow stanchion on the trailer and get one rigged for the height of the bow eye so it can't rise up on the stop and cause the damage. The bow eye needs to be just under the roller/stop with the winch pulled tight to keep it from moving. I suspect Contenders private comments about a turnbuckle are also on the mark. A strap over the gunnels at the stern is poor mans insurance for preventing forward momentum, especially with the rollers you have. Two straps on the stern eyes are better for that.
floater88 posted 08-12-2015 06:27 AM ET (US)     Profile for floater88  Send Email to floater88     
I only have one stanchion eye on the starboard side as the one on the port side was removed so the kicker could be bolted on. That arm that the bow stop mounts to can be moved up and down. I tried moving it up but then when you went to launch the boat the bow was resting on the bow stop and had to be pushed off by hand. When taking the boat out I had to lift the bow to get it onto the bow stop.
floater88 posted 08-13-2015 04:24 PM ET (US)     Profile for floater88  Send Email to floater88     
Thanks Contender! I mounted a U bolt to the frame and got a big turnbuckle and it works great! Boat doesn't move an inch now. While doing this I also noticed what was adding to the problem. The teeth on the winch are worn out in one spot and when I tighten the boat strap the winch starts to jump. This was causing the winch strap to come loose letting the bow of the boat jump up and down and destroying the bow stop. The turnbuckle will hold it for now till I find another winch.

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