Single axle, to tandem axle....
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Single axle, to tandem axle....

  1. #1
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    Default Single axle, to tandem axle....

    I'm beat down... Too old for this crap... Converted my old trailer from single axle to tandem axle, and let me just say if you're going to do it, buy NEW stuff.... I'm using a set up I traded for, and man, what a job for an old man to try.... I now have the tandem axles under the trailer, centered within 1/16th inch side to side, (they were off 3/4" in both directions!!!), now aligned as close as possible as the front axle is 3/4" wider than the rear!!! So, the front flanges/tires are now 3/8ths further out, but I can live with 3/8ths. Now the issue seems to be how close the tires are to the boat!! The old axle was on top of the leaf spring making the trailer sit higher above it. These are below the axles, and I like the lower center of gravity, but the boat is awfully close to where the fenders have to go..... Just venting cause I'm dead tired, dirty from all the grinding, and feeling like the single axle wasn't so bad after all.......
    Ray
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  3. #2
    tintingsandiego krusn56's Avatar
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    Couldnt you ad wheel spacers to match the wider axle...
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    PASO ROBLES CA cougar63's Avatar
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    Well lol thats pretty funny. I tell ya what i will sell ya two axles so you have to get a class A inside bad joke

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  6. #4
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    Default Well, yeah, but....

    Quote Originally Posted by krusn56 View Post
    Couldnt you ad wheel spacers to match the wider axle...
    I've never been a fan of anything between the wheel and the hub. Additional spacing would require longer wheel studs and move the load further out affecting the wheel bearings in a not so good way.....I can live with the 3/8ths inch difference, you really wouldn't notice 3/8ths over the spacing of the wheels unless you were really looking for it...The problem seems to be getting the fenders low enough to clear the contour of the hull.... I won't have to worry about centering the boat on the trailer when loading it on the ramp!!! I will have to reduce the thickness of the wood on the inside of the fenders, and then figure a way to cushion the boat...... A lot of work for this old man, and Greg, these axles are just fine.....
    Ray
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  7. #5
    tintingsandiego krusn56's Avatar
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    The wood on my inside fenders are 1/2" covered in fiberglass and I used a 5/8 hose for the edge and marine foam on the flat surface with a piece of 90 aluminum at the botom for support....I then wrapped it in outdoor carpet. What about raising your bunks...Heres a pic of mine. I also opened up the fender mounting holes for a matching centered position. You could do that to the front or rear to give the illusion they are the same width.
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    Senior Member zacho!'s Avatar
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    Default Lol

    Quote Originally Posted by Moneypit View Post
    I'm beat down... Too old for this crap... e wasn't so bad after all.......
    Ray
    Im doing the same thing with my trailer, FPITA!!! But I also cut out the center rear of the trailer and modified to make hardware changes a little easier.
    I bought a shackle/perch kit from the local trailer shop and built an undercarraige to bolt to the trailer rails.

  9. #7
    LF2
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    I had the same problem with my trailer when I bought it you could see some marks on the boat where it hit the fender board when flexing/driving. it had 5/8th's plywood when I re-did it last year I dropped it down to 3/8th's and then raised the bunks up 1" it was enough to no longer hit.

  10. #8
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    Default Higher

    Quote Originally Posted by LF2 View Post
    I had the same problem with my trailer when I bought it you could see some marks on the boat where it hit the fender board when flexing/driving. it had 5/8th's plywood when I re-did it last year I dropped it down to 3/8th's and then raised the bunks up 1" it was enough to no longer hit.
    Yeah, the bunks may have to go up a bit...Kinda defeats the idea of a lower center of gravity though..... I like the height of the change over, but because of the springs under the axles everything got closer...... I'll figure it out, the single axle has been without a wooden "liner" for ever even though there was room for one.... I'm still grinding the old welds off the fenders. Once I establish where they're going to attach, I'll do a little detailing in the areas that won't be re welded.......Still a PITA, and still wearing my self out each session.....
    Ray
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  11. #9
    Senior Member holorinhal's Avatar
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    Let,s see some pics of that thing! I did the same thing to mine. I hear Ya about using all new stuff,I bought all new springs and undercaraige hardware. It was quite a job but I am happy with the out come. Here is a link if You want to take a look. http://www.performanceboats.com/user...formation.html
    Last edited by holorinhal; 02-25-2011 at 11:04 PM.

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