Best way to secure transome to trailer?

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Best way to secure transome to trailer?

Postby Judge1948 » Fri Jan 05, 2018 6:11 pm

I’ve always used a ratchet strap snug, but not tight ..from port frame rail up and over step pad through lift ring and back down starboard side the same way. Apparently this is not a good idea. Can anyone tell me the best way and provide a picture of this. I understand that wrapped around the strut on the bull is a much better way. Unclear how this should be done. Two straps from opposing sides of frame? One strap wrapped around strut and then to other rail? Anybody have a picture of this? Thanks!
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Re: Best way to secure transome to trailer?

Postby drrot » Fri Jan 05, 2018 8:42 pm

Florida 2013 079.jpg
I always went from one frame rail on the trailer around the strut (over the shaft) and to the other frame rail. If you look close on the port side you can see the extra strap hanging from the ratchet.
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Re: Best way to secure transome to trailer?

Postby Judge1948 » Sat Jan 06, 2018 7:06 pm

Thank you. Ok I will do that now. Can anyone confirm it’s NOT a great idea to strap as I described? I was told it would destroy the boat in some way. I didn’t question it but I’m now curious because I’ve seen a couple up and over rail as described. As with my glass rig which has boat buckles it’s only snug enough to prevent shifting and hopping. Again thanks for the picture.
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Re: Best way to secure transome to trailer?

Postby mbigpops » Sun Jan 07, 2018 8:50 am

It is not advised as you described. You do not want a strap anywhere near the varnished wood on your boat as it will act just like sandpaper if it contacts the hull. You may think the strap is tight and away from the hull but once you start moving and the wind and twisting occur it could contact the hull and ruin your finish.

Same goes for the bow. Your bow stop should be elevated above the deck and the strap through the front lifting ring to the elevated winch.

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Re: Best way to secure transome to trailer?

Postby Don Vogt » Sun Jan 07, 2018 9:30 am

08 tahoe pictures, etc 015-001.jpg
Mark is correct. In that regard you should attach your back straps to the sides of the trailer as far back from the strut as possible, forming a "V". When tightened this will prevent the trailer from sliding forward and damaging the bow. It is best to make sure nothing from the trailer actually rubs the bow. Setting the boat back a couple of inches from whatever bow stop you have, even if it is rubber or padded, will avoid that problem.

I am attaching a picture that gives the general idea.
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Re: Best way to secure transome to trailer?

Postby Don Vogt » Sun Jan 07, 2018 4:02 pm

Should have said will "prevent the boat from sliding forward on the trailer... etc."
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Re: Best way to secure transome to trailer?

Postby bflaherty » Mon Jan 08, 2018 12:44 pm

From experience the biggest issue with strapping up and over the back of the boat is that the total length of strap is too long to safely keep the boat in place! This is how I used to strap our boat down until I had my first ever near miss while towing and had to make an evasive swerve while heavily braking... The trailer made a violent tail whip (as one would expect it to do) and my strap, that was so tight you could barely get the ratchet handle locked closed, still allowed to the boat to move nearly 30% off the side of the trailer!! When I got out to inspect and reposition, the strap was still just as tight and the overall length had not changed, it simply slide around the hull shape.

After that I started doing to strut strap method. This is best achieved with two separate straps going from the strut to the trailer frame. Two straps also allows you to apply extra tension to one side of the other if the boat is not perfectly centered on the trailer (a little extra tension on one side for a couple miles of bouncy road and it will pull the boat back toward center, then you can readjust strap tension to keep it there). Also, two short straps are preferred over one long strap due to the acceptable percentage of elongation that straps are built to (longer strap lengths are allowed to stretch a greater length because they are designed around % of stretch, not total length of stretch).
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Re: Best way to secure transome to trailer?

Postby iamallthumbs » Fri Jan 12, 2018 12:41 pm

I was going to bring this subject up to Matt on WOODYBOATER but since it is being discussed on this forum I have a comment. I originally held the boat down with a strap over the shaft but never felt comfortable with this method because of potential damage to the strut, shaft, and or alignment. I like Don D's idea of installing a large eye bolt through the keel for attaching the strap to but I have never got around to installing one.

My alternative method is to run the strap from the steel guide posts around the stern. The guide posts are welded to the trailer and covered with a PVC pipe This leaves about an inch clearance between the boat and each pipe. I snug the boat up to the bow chock, install and tighten the bow strap, and snug up the stern strap. In this manner, the boat is unable to shift no more than two inches laterally.

I have used this method the last two years, and though I have not had to do any dangerous maneuvers, the boat has been securely held on the trailer.

Any thoughts, comments, warnings?
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Re: Best way to secure transome to trailer?

Postby Don Vogt » Fri Jan 12, 2018 2:23 pm

There are a number of ways to make sure the boat is secure but only a limited number of ways that dont involve potential damage to the finish or other elements of the boat. your picture indicates possible rubbing of the finish on the transom via the strap. a no no. the strut is bolted thru the keel, so no need to worry about damage by strapping the strut. It is solid. One should not strap to the shaft as it conceivably could be misaligned thru this approach, and the strap should be kept away from the shaft in any event. Also keeping the bow away from whatever type of stop you have prevents rubbing of the cutwater.
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Re: Best way to secure transome to trailer?

Postby jfrprops » Fri Jan 12, 2018 2:54 pm

I don't know guys. The biggest fault with just using the ratchet straps.....at least in the experience of one of our above posters....is that in extreme shifting of the trailer the boat slide through the loop and might come off the trailer "about 30%" I think was the estimate. I still think that is acceptable?
I like to cross the straps from frame rail...across the bottom, up the side around and down...then over to the other frame rail.

But I am not hauling a mirror finish trailer queen either. ::???

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Re: Best way to secure transome to trailer?

Postby Don Vogt » Fri Jan 12, 2018 3:31 pm

Well, this post raises an issue discussed here a few years ago about trailer pulling. Many suggested they were pulling their trailers at 70-75 mph. By going slower, one provides a much greater margin for maneuver, to avoid the slamming of brakes or swerving, two of the major causes of boat shifting on the trailer. I stay under 60, myself. In ca. for example, the car/trailer speed limit is 55, even on interstates. Higher speeds may suggest more vigorous strapping, but again this is hard to do without affecting the boat finish.

There also was a question about how to secure the bow of the boat to the trailer. I am enclosing a picture on this. Ideally, the winch is placed on the trailer staff higher than the boat deck. This way the winch strap can be looped thru the front lifting ring, or attached to it, if one doesnt mind scuffing the ring, or wrapped around the ring and attached back to the trailer shaft, all above deck level. Some people bolt an "eye" ring thru the cutwater into the stem of the boat for this purpose, but this ruins the looks of the cutwater, imho.
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