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Remember that discussion on trailer tire speeds?


16 replies to this topic

#1 sdeeter19555

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Posted 18 May 2017 - 06:34 PM

Check this out...trailer I rented had these:

fb5d0a756819482aac2a18810425e73b.jpg

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#2 crankman

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Posted 18 May 2017 - 06:42 PM

Good eye there I've seen this come up before to. I am running MAXXIS same size as yours on 2 different trailers they recommend 65mph for mine. I do run normally 70mph during my hauling but I check my pressure before every trip and this is my second set and there a solid tire. What brand tire is that if you dont mind telling?


Edited by crankman, 18 May 2017 - 06:52 PM.


#3 ember1205

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Posted 18 May 2017 - 06:43 PM

I don't remember the thread you're referencing, so I'm curious as to what you're getting at.

 

A) Nobody should be towing at those kinds of speeds

B) Speed ratings are indications of the tire's ability to SUSTAIN rated speeds (and the heat that it causes) without failing

 

???


Edited by ember1205, 18 May 2017 - 06:44 PM.

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#4 Waaazooo

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Posted 18 May 2017 - 07:39 PM

I can get up to 81mph if I'm going downhill with tail winds... only when traveling east in the evening.


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#5 sdeeter19555

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Posted 18 May 2017 - 08:02 PM

I didn't get the brand of tire, it was a rental. I meant to, but they were ready to take the trailer back when I saw this and snapped it.

The discussion was about the "normal" maximum rated speed for an ST tire being 65mph. I have a set of Hercules STRs that are rated for 75mph.

It's interesting to see higher rated speeds on trailer tires these days...

And for what it's worth, I tool along at posted speeds when empty, but I'm running a 16 inch LT truck tire. Lots of times you could scoot along at posted speeds on interstates with little issues other than a fuel deficit.

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#6 O_J_Simpson

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Posted 18 May 2017 - 08:04 PM

Catching up to the times. With so many 80 MPH roads and a few 85 MPH zones it is about time trailer tires catch up.



#7 FreeAmerican

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Posted 19 May 2017 - 05:40 AM

Just because a person can do a thing, does not make it wise to do it LOL

 

everything is more exaggerated with speed, wind, sway, stopping, mpg loss.  I just let the world pass me by LOL



#8 flattop

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Posted 19 May 2017 - 09:29 AM

I just towed my camper on the NYS Thruway last weekend. The posted speed is 65 mph. I was running around 68 and was passed my every single vehicle from Rochester, NY to Syracuse, NY.

 

The average flow of traffic is about 74 mph, so they all just blow by me like I am standing still!

 

Getting there safely is the 1st priority to me. Going over 70 would not feel safe with all that camper behind me.



#9 sdeeter19555

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Posted 19 May 2017 - 12:25 PM

I guess that depends on your level of experience and equipment...I would have no issues towing anything I own at posted interstate speeds, my stuff doesn't feel or act any different at 65mph as 75/80mph.

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#10 blwright

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Posted 19 May 2017 - 01:14 PM

My Jayco has ST's with a L rating = 75mph.  I keep it under 70.


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#11 Waaazooo

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Posted 19 May 2017 - 01:16 PM

I guess that depends on your level of experience and equipment...I would have no issues towing anything I own at posted interstate speeds, my stuff doesn't feel or act any different at 65mph as 75/80mph.

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Not to be argumentative, have you ever checked your tire pressures on your trailer after driving an hour at 75/80? I checked mine after going about 65 for a few hours. The pressure went from 50psi (cold) to 62 psi (operating pressure). Doesn't sound significant until you realize that it's about 25% increase. They were warm to the touch and that was with ambient temps around 60degrees. My worry from driving on a track (which I miss) is that people take from this that it's safe to roll out of camperworld and get in the fast lane and have a blow out because the heat dispersion of the tire is poor and the tire failed.

I feel you in the sense of having confidence in the PM's I've done on my equipment. But a tire isn't the same as every other tire on every other trailer.




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#12 dasimmon

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Posted 19 May 2017 - 01:20 PM

Not to be argumentative, have you ever checked your tire pressures on your trailer after driving an hour at 75/80? I checked mine after going about 65 for a few hours. The pressure went from 50psi (cold) to 62 psi (operating pressure). Doesn't sound significant until you realize that it's about 25% increase. They were warm to the touch and that was with ambient temps around 60degrees. My worry from driving on a track (which I miss) is that people take from this that it's safe to roll out of camperworld and get in the fast lane and have a blow out because the heat dispersion of the tire is poor and the tire failed.

I feel you in the sense of having confidence in the PM's I've done on my equipment. But a tire isn't the same as every other tire on every other trailer.




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+1


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#13 sdeeter19555

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Posted 19 May 2017 - 01:43 PM

Not to be argumentative, have you ever checked your tire pressures on your trailer after driving an hour at 75/80? I checked mine after going about 65 for a few hours. The pressure went from 50psi (cold) to 62 psi (operating pressure). Doesn't sound significant until you realize that it's about 25% increase. They were warm to the touch and that was with ambient temps around 60degrees. My worry from driving on a track (which I miss) is that people take from this that it's safe to roll out of camperworld and get in the fast lane and have a blow out because the heat dispersion of the tire is poor and the tire failed.

I feel you in the sense of having confidence in the PM's I've done on my equipment. But a tire isn't the same as every other tire on every other trailer.




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I'm running E-rated truck tires on that trailer, temp doesn't affect then as much...my others run speed-rated trailer tires.

That's why I caveated that statement with "my equipment".

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Edited by sdeeter19555, 19 May 2017 - 01:49 PM.


#14 Waaazooo

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Posted 19 May 2017 - 02:11 PM

I'm running E-rated truck tires on that trailer, temp doesn't affect then as much...my others run speed-rated trailer tires.

That's why I caveated that statement with "my equipment".

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You sir are a towing rockstar.. I'm imagining my trailer with 35x12 e rated tires :giggidty:


You should also caveat your statement that you you don't use trailer tires on your trailer as this thread is really discussing standard trailer tires.


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#15 sdeeter19555

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Posted 19 May 2017 - 02:18 PM

But I do run trailer tires on my other trailers (I have five trailers)...and they are speed rated to 75mph, just the one that I rip around the most which has truck tires (a 5x8 utility trailer sporting twin 8k pound 8-lug axles, and four 245x65r16 LR E general grabber ATs).

The increase in pressure when a tire is hot is taken into account by the tire manufacturer, that's why it's a "cold inflation", not a "hot inflation". I wouldn't hesitate to tow at posted interstate speeds with the tires pictured above...they are rated to 81mph, so they are rated to 81mph.

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