I didn't even think of mentioning that.... That's why i weighed the darn
trailer.. Even though at 5,200 pounds the necessity of a load leveling hitch
is marginal, I went with one anyway. Then "jumped through all the hoops" to
get the ride height of the tongue with the trailer perfectly level. THEN,
determined the height of the trailer hitch ball with the motorhome fully
loaded, and finally made a custom receiver bar for the equalizer hitch. It may
have been an 'exercise in futility', but at least it tows like it's not back
there. Also of note; that was two years ago now, and I've not had ANY tire
delamination whatever. (And having said that, I"m out the door for Willow
Springs in about 20 minutes and will probably blow all four tires before we're
home...).
Carl
----- Original Message -----
From: John Caffrey
To: Elton E. (Tony) Clark
Cc: John.Desantis@inficon.com ; vintage-race@autox.team.net
Sent: Thursday, October 02, 2008 8:25 AM
Subject: Re: [Vintage-race] Trailer tires
Over a 6 year span I destroyed 4 tandem fiberglass fenders on my 18"
Pace American because of tire blowouts, and two of them were not due to
age. The lightweight trailers that use the triangular torsion tube axles
do not evenly distribute the weight on each axle unless the trailer is
level, and because we towed with two different trucks, had not been
careful in trailer leveling. When we were 1.5" higher in the front we
would overload the tires on the rear-most axle. We have the highest load
capacity 13 trailer tires, and there isn't room between the axles to
switch to 14" so have to live with it.. I thought I had it figured out,
but now will closely watch the tires for crowning. Thanks for the heads up.
John
Fogelsville, PA
Elton E. (Tony) Clark wrote:
> *We've experienced exactly the same thing and are becoming convinced the
> phenom is caused by the tires sitting without movement for long periods
of
> time under the trailer weight . . It's going to be a minor pain in the
azz
> but I think we're gonna start blocking the trailer axles off the ground
when
> we know the trailer won't move for a month or so. *
> *Tony in Texas *
>
> On Thu, Oct 2, 2008 at 7:08 AM, <John.Desantis@inficon.com> wrote:
>
>
>> Two friends of mine have recently had multiple trailer tire
>> failures (tread pealing off) while on trips. When purchasing
replacement
>> tires, friend #2 was told that trailer tires delaminate in about 4
years.
>> The tire seller also mentioned that it was easy to determine when the
>> tires were near failure. He mentioned that the center section of the
>> tread raises up. So I go home and check out my 4 year old ST205/75-15's
>> and they are very distinctly raised in the center, approximately 1/4
inch.
>> When I checked the spare that is the same age as the tires on the
>> trailer- it looked normal. I am planning to buy 4 new tires come
spring.
>>
>> Reading anything I could find on the web about trailer tires I
>> found the it is highly recommended to replace them every
>> 4 year. I also found info on tread delamination, I could not find any
>> thing mentioned about the tread raising up.
>>
>> Has anyone out there had similar experience with raised tread?
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