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<blockquote data-quote="Allen" data-source="post: 408053" data-attributes="member: 389"><p>Like everything else, your boat needs to "fit" the trailer. Walk on a bunk one time and tell me how much support that bunk is providing to the hull around the mid-point of the bunk. It's not, the bunks flex pretty easily on most trailers. In reality, the bunks support the boat pretty good for a foot or two away from the bunk supports, and not much at all in the middle. Rollers obviously support a boat for just a few inches away from the center of the roller, but this is where having your boat/trailer setup correctly is important. The rollers should lie under the structural support of your hull (the ribs or other cross members). If you don't have the boat properly on the trailer, there is absolutely the potential for denting the hull of your boat.</p><p></p><p>About 7 years ago, my Lund (which is correctly placed on the rollers) got launched at least four feet in the air after my spare tire holder fell off on a washboard road out at Alkaline. The spare tire and holder went under the right-side trailer tire causing the boat/trailer to pole-vault into the air. Not a ding in the hull from the rollers, but the strakes on the side of the boat got dinged from the fenders of the trailer.</p><p></p><p>About 6 years before that and I had the great misfortune of hitting a porcupine on the same side at around 70 mph on highway 83.</p><p></p><p>Both of these incidents cost me new trailer fenders and some axle work, but the boat and rollers survived intact.</p><p></p><p>Yeah, I'll take a properly set up roller trailer every day of the week, and twice on Sundays for a full sized aluminum boat.</p><p></p><p>I could get talked into a bunk trailer for a jon boat, but that's about it.</p></blockquote><p></p>
[QUOTE="Allen, post: 408053, member: 389"] Like everything else, your boat needs to "fit" the trailer. Walk on a bunk one time and tell me how much support that bunk is providing to the hull around the mid-point of the bunk. It's not, the bunks flex pretty easily on most trailers. In reality, the bunks support the boat pretty good for a foot or two away from the bunk supports, and not much at all in the middle. Rollers obviously support a boat for just a few inches away from the center of the roller, but this is where having your boat/trailer setup correctly is important. The rollers should lie under the structural support of your hull (the ribs or other cross members). If you don't have the boat properly on the trailer, there is absolutely the potential for denting the hull of your boat. About 7 years ago, my Lund (which is correctly placed on the rollers) got launched at least four feet in the air after my spare tire holder fell off on a washboard road out at Alkaline. The spare tire and holder went under the right-side trailer tire causing the boat/trailer to pole-vault into the air. Not a ding in the hull from the rollers, but the strakes on the side of the boat got dinged from the fenders of the trailer. About 6 years before that and I had the great misfortune of hitting a porcupine on the same side at around 70 mph on highway 83. Both of these incidents cost me new trailer fenders and some axle work, but the boat and rollers survived intact. Yeah, I'll take a properly set up roller trailer every day of the week, and twice on Sundays for a full sized aluminum boat. I could get talked into a bunk trailer for a jon boat, but that's about it. [/QUOTE]
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