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 > Tandem axle vs single

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Bobbo

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Posted: 12/26/21 01:23pm Link  |  Quote  |  Print  |  Notify Moderator

BarneyS wrote:

Lwiddis wrote:

Snip... Blowing a tire, which will happen…and to you, is another. Snip...

Not necessarily! I have been driving for 70 years, 50 of them towing a trailer of some kind, and have never had a blowout in all of those years. Only had one flat tire and had that changed in about 30 minutes.
Barney

What Lwiddis said. I haven't had a blowout, but I was at a campground waiting for a friend to arrive. I got a call, he was about 10 miles out and had lost the tread off of a trailer tire, shredding the tire. He had called AAA. I drove over there and put his spare on for him. If it was a single axle trailer, it would have been on the rim, or on its side.


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mobeewan

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Posted: 12/26/21 01:27pm Link  |  Quote  |  Print  |  Notify Moderator

Tandem axle has less bounce, less sway.

Gdetrailer

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Posted: 12/26/21 02:24pm Link  |  Quote  |  Print  |  Notify Moderator

Bobbo wrote:

BarneyS wrote:

Lwiddis wrote:

Snip... Blowing a tire, which will happen…and to you, is another. Snip...

Not necessarily! I have been driving for 70 years, 50 of them towing a trailer of some kind, and have never had a blowout in all of those years. Only had one flat tire and had that changed in about 30 minutes.
Barney

What Lwiddis said. I haven't had a blowout, but I was at a campground waiting for a friend to arrive. I got a call, he was about 10 miles out and had lost the tread off of a trailer tire, shredding the tire. He had called AAA. I drove over there and put his spare on for him. If it was a single axle trailer, it would have been on the rim, or on its side.


Sure, single axle would end up with the rim hitting the ground.

BUT, the exact same thing WILL happen with dual axles.

Flatten a tire on a dual axle by taking the valve core out and you will see that rim drop the entire distance of the sidewall. Put a load on the trailer like the average RV'r does and that rim WILL be touching the ground. Dual axle suspension will attempt to equalize and will push the blown/missing tire of that axle down until the good tire hits the top of the suspension limit.

Remove the flat tire on dual axle and the drum will start hitting the pavement. It is for that reason one must "strap" and restrain the axle backup to "normal position" if one were to attempt to drive on with a missing tire.

As far as "tipping over" goes, you have bigger problems if your single axle trailer tips over with a 5" drop. Tire sidewall at most is 6" tall with air, no air that shrinks to about 5" (tread portion of tire thickness is nearly 1" including the rubber under the tread).

A single axle trailer with a flat is not going to tip over unless you do something dumb to help it over the center of gravity.

rexlion

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Posted: 12/26/21 06:52pm Link  |  Quote  |  Print  |  Notify Moderator

I greatly prefer single axle trailers. My rear tandem tires would pick up so many nails and screws, it was ridiculous. Plus double the cost for tire replacement.

I have had blowouts with both types. No big deal either way. No, the trailers were never in danger of tipping.


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Grit dog

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Posted: 12/26/21 07:43pm Link  |  Quote  |  Print  |  Notify Moderator

Merry Xmas Barney!
Thx for the delete….


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JIMNLIN

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Posted: 12/26/21 08:27pm Link  |  Quote  |  Print  |  Notify Moderator

I've never pulled a single axle rv trailer but several single axle company cargo trailer used as on site tool trailers.
We finally convinced the company to do away with the all single axle trailers and go with tandem axles on anything over 14' long.
The benefits of a tandem axle trailer far out weighs a single axle trailer...JMO after pulling them for a living.


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pbeverly

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Posted: 12/27/21 04:34am Link  |  Quote  |  Print  |  Notify Moderator

BarneyS wrote:

Lwiddis wrote:

Snip... Blowing a tire, which will happen…and to you, is another. Snip...

Not necessarily! I have been driving for 70 years, 50 of them towing a trailer of some kind, and have never had a blowout in all of those years. Only had one flat tire and had that changed in about 30 minutes.
Barney


I had 2 blowouts last June. One on my way to site and another on the way home. 1st one did $4500 worth of damage. Took it to RV shop 7/5/2021. All the parts needed just arrived about 2 weeks ago.


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Huntindog

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Posted: 12/27/21 06:35am Link  |  Quote  |  Print  |  Notify Moderator

BarneyS wrote:

Lwiddis wrote:

Snip... Blowing a tire, which will happen…and to you, is another. Snip...

Not necessarily! I have been driving for 70 years, 50 of them towing a trailer of some kind, and have never had a blowout in all of those years. Only had one flat tire and had that changed in about 30 minutes.
Barney
My last of several blowouts was in 2006.I then made the jump to LT tires and never looked back.


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Posted: 12/27/21 08:17am Link  |  Quote  |  Print  |  Notify Moderator

Single axle usually has bigger size tires.
Also if you need to replace tires, single axle is cheaper than tandem.


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nickthehunter

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Posted: 12/27/21 10:25am Link  |  Quote  |  Print  |  Notify Moderator

If my dual axle trailer has a blowout I will proceeding cautiously, at minimal speed, up the next exit and to the nearest safe spot. I won’t be changing it on the side of the road while cars and trucks fly past at 70 mph. Which is the same thing that would happen if I had a single axle trailer, my truck, or any other vehicle.

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