[AT] Tire slipping on rim

Dennis Johnson moscowengnr at outlook.com
Thu Apr 2 07:16:12 PDT 2015


Cecil,

One other thing to check is tire inflation pressure.
Higher pressure will decrease tire slippage, but also decrease traction due to a smaller footprint.
Lower pressure will increase tire slippage, and also increase traction due to a larger footprint.

One idea that might help is to go inside of the rim and place small spot weld beads along the tire contact side of the rim. It would not damage a tire like screws could.

Another issue could be the import tire ID and how it tight it fits on the rim. If it is a bit loose, could you wrap some tape on the rim to try and use it to tighten up the fit?? Not sure how well it would stay in place, but that might do something similar to the 6 x 6 rubber pads to make up for a loose  diametrical fit.

One problem is that it is difficult to do any calculations on how much friction or slip resistance you have, and how much you need. Either you find some thesis from some Ag Engineer relating to this for guidance, or it is trial and error to see what works.

Good Luck,
Dennis

Sent from my iPad

> On Apr 2, 2015, at 8:59 AM, Cecil R Bearden <crbearden at copper.net> wrote:
> 
> Just a note here to my own post:
> I called Firestone Agriculture div in Des Moines.  Amazing there was 
> someone there, but I got to talk to  an old timer.  He said they had 
> this problem years ago. and put 4ea. 6x6 in squares of an old tube 
> between the tire and the rim to tighten up the tire.
> 
> Just an FYI if you ever have a problem like this.  With the foreign 
> tires, I don't doubt that this will happen again.
> 
> Cecil in oKla
> 
> 
> 
>> On 4/2/2015 8:32 AM, Cecil R Bearden wrote:
>> I bought 2 ea 18.4 x 38 Speedway R1 rear tractor tires from Agri-Tech
>> imports about 2 years ago.  I mounted them in August 2014.  They were
>> used on my  White 2-105 tractor pulling a John Deere 16-8 grain drill.
>> This load does not require very much traction force.  I have replaced 3
>> tubes in one tire and 2 on the other for a total of 5 tubes.  The
>> replacement was required due to the rim slipping in the tire.  I now
>> have another tire going flat and the tube valve appears to be pulled out
>> of the tube.
>> 
>>   At $100 per tube these tires are getting to be very expensive, as i
>> have now accrued a $600 tube expense. In addition to the 30 gallons of
>> Methanol at $3.25/gallon for antifreeze.
>> 
>> I know there is no way that I can get a replacement from the
>> manufacturer as they will find 25 ways to get out of replacing the
>> tires.    I have thought of using   rim screws to hold the tire in
>> place.  Has anyone used these in a tube type tire?
>> 
>> Cecil in OKla
>> 
>> 
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