Dual axle HF trailer

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Dual axle HF trailer

Postby 240zron » Sat Jun 24, 2006 7:30 pm

I was at Lowes today and spotted a dual axle harbor freight trailer. Not sure if they sell these, Or it was something that he did himself.

It looked like it would make a cool looking mini hauler.
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Postby mikeschn » Sun Jun 25, 2006 5:01 am

That sound like something that someone put together on his own. He probably bought one of Len's extra HF axles and just bolted it on. Was he hauling concrete, or dirt by any chance?

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Postby 240zron » Sun Jun 25, 2006 1:05 pm

At the time it was empty, It didn't have any walls on it. Just looked like a miniture car hauler, But kinda neat looking.

Looks like it would work good for some of the bigger tears, It would be a one of a kind, That's for sure.
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Postby mikeschn » Sun Jun 25, 2006 3:13 pm

You mean like this?

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Postby 240zron » Sun Jun 25, 2006 4:58 pm

Hey,

That's pretty good, An extended Baja Benroy.
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Postby Joanne » Sun Jun 25, 2006 9:42 pm

mikeschn wrote:You mean like this?

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Mike...


Mike,

Is that a BenBenRoy or a BenRoyRoy?

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Postby Larwyn » Mon Jun 26, 2006 5:18 am

I would have thought it would be a BenRooy......... :D
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Postby mikeschn » Mon Jun 26, 2006 5:52 am

:lol:

Or even a Benroooooooooooooooooy!!!

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Postby Kens » Mon Jun 26, 2006 7:51 am

This is something I have been thinking of for a long time. Its soo kool. I think I would like to use 12" wheels. Could you use soft enough springs to make the ride ok?
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Postby Nitetimes » Mon Jun 26, 2006 8:02 am

Kens wrote:This is something I have been thinking of for a long time. Its soo kool. I think I would like to use 12" wheels. Could you use soft enough springs to make the ride ok?


I think it would be pretty tough. I personally have never seen springs rated at less than 750lb each (doesn't mean they don't sell them) so that puts you at about a 3k lb minimum on springs, even if you took out a leaf or 2 that is still four tires hitting the road and four springs working. Unless you built an extremely heavy trailer I'd think it would get beat to death by it's own suspension. Plus you add the extra axle which makes it harder to turn it. I really don't think the extra expense and work involved to set it up would prove to have any kind of benefit. The negatives far out weigh the only positive which would be less tongue weight and that can be had with proper axle placement on a single axle unit. :thinking: :thinking:
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Postby Leon » Mon Jun 26, 2006 10:42 am

The only advantage I can see if if he is carrying some heavy ATVs or motorcycles in the back, but even then you can get a heavier single axle to do the same job at the weight that could be built into that size trailer. Another factor is registration, in California I've had to have a weight on dual azle trailers, but single you just estimate. And as far as towing, if you go on toll roads, some charge by the axle and that trailer might cost more to go through the toll station. This is in addition to more maintenance - bearings, tires......
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Postby asianflava » Mon Jun 26, 2006 12:56 pm

Another positive is you can blow a tire and still keep going.

Another negative would be having to pay more at the toll both.
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Postby Leon » Mon Jun 26, 2006 5:42 pm

asianflava wrote:Another positive is you can blow a tire and still keep going.

Unless you have a way of tying the axle up, a blown tire will still run on the ground and eventually shred to the rim. When two axles are used, the proper way to hang them from the chassis is to use an equalizer between them so as they go over a bump one axle can pivot up while the other goes down. Loosing a tire will allow that axle to pivot down. Without that device, all the weight of the trailer is carried by one axle if it goes over a dip in the road and the axle above the dip is not allowd to pivot down.
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Postby mikeschn » Mon Jun 26, 2006 5:48 pm

Leon,

Here we are, learning again. Got a cad rendering of that?

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Postby Leon » Mon Jun 26, 2006 5:56 pm

No, but I hope I can explain the hookup. The front of the forward spring and the rear of the aft spring are mounted solid to the trailer through a "u" piece and a bolt, just like most trailer springs are mounted in the front of single springs. At the center where the two springs meet, the balance device is mounted using the shackles to connect it to the springs. That way they are allowed to pivot, and the spring is allowed to "grow" as wieght causes it to get longer. It provides a balancing so each axle is taking the same load as the other.

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Notice how the rocker is tilted, that's because I have the front of the trailer quite high to drain rainwater, but it keeps the tires on the ground.
Last edited by Leon on Mon Jun 26, 2006 6:03 pm, edited 1 time in total.
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