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Old 10-02-2016, 09:33 AM   #1 (permalink)
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RUN FLATS

Our company has the operational need for utv/automotive run flats We are currently testing tire blocks in our UTV's, with great results.

https://www.youtube.com/watch?v=oA1gqeZcuxI
https://www.youtube.com/watch?v=ALn1BfWjb9g



For our automotive and off road needs/capability we are working with a company who uses a system called tire spines


https://www.youtube.com/watch?v=pr7JwGnoGDg

wondering if there is anyone out in pbb who has any experience with either of these system as an alternative to tireballs
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Old 10-02-2016, 01:10 PM   #2 (permalink)
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For the Polaris rangers my dad has the tires filled some sort of foam. Never ever ha so any issues. Running over anything never gets a flat. I don't know if it's the same as the video above or a spray in foam. It's really nice though to not g flats from mesquit and whatever other stuff pops tires.
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Old 10-02-2016, 01:39 PM   #3 (permalink)
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For the Polaris rangers my dad has the tires filled some sort of foam. Never ever ha so any issues. Running over anything never gets a flat. I don't know if it's the same as the video above or a spray in foam. It's really nice though to not g flats from mesquit and whatever other stuff pops tires.
That's all good for ranch/farm type stuff, but that stuff is super heavy and I believe makes the tires very stiff.
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Old 10-02-2016, 04:31 PM   #4 (permalink)
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That's all good for ranch/farm type stuff, but that stuff is super heavy and I believe makes the tires very stiff.
Right, that is the exact reason why we did not go with foam . so far with the blocks our utv,s have met and exceeded all at speed , flexibility, handling , braking , cornering requirements to include operation with at least 4 rounds thru it

automotive has a whole new set of requirements and challanges
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Old 10-03-2016, 08:11 AM   #5 (permalink)
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That's all good for ranch/farm type stuff, but that stuff is super heavy and I believe makes the tires very stiff.

No clue on weight but they squat and conform to rocks and stuff like air would.


Sent from AutoGuide.com Free App
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Old 10-05-2016, 03:03 AM   #6 (permalink)
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No clue on weight but they squat and conform to rocks and stuff like air would.


Sent from AutoGuide.com Free App

can you tell me the weight of ea tire and what brand, maybe an alternative
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Old 10-05-2016, 03:16 AM   #7 (permalink)
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You will be welcomed by whoever does your suspension maintenance when the tie rods, ball joints, tie rod ends, idler arms, shocks/struts, rack and pinion, and other components shit the bed prematurely multiple times before they should.
Tell your employees to look at the tires before they drive the vehicle. Train them.

I forgot. Common sense is everyone's friend.
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Old 10-05-2016, 05:34 AM   #8 (permalink)
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On my buddy's class 1 car, he runs Slime in all the tires, does a pretty good job, but still looses quite a few tires to sidewall blowouts ect.
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Old 10-06-2016, 05:15 PM   #9 (permalink)
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On my buddy's class 1 car, he runs Slime in all the tires, does a pretty good job, but still looses quite a few tires to sidewall blowouts ect.
we can't have that , tire needs to be able to sustain continued operations for xxx miles without any air pressure
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Old 10-06-2016, 05:19 PM   #10 (permalink)
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How many miles do you need to go? Goodyear makes run flat atvs tires.
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Old 10-07-2016, 08:46 PM   #11 (permalink)
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atv/utv tire must not fail with 4 556 holes in it 250 miles

auto must allow continued operation fo r250 miles
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Old 10-07-2016, 09:00 PM   #12 (permalink)
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One of my units tested these. I put 1500 miles on them in an up armored hummer.
https://i.ytimg.com/vi/i0xNzXTOXkE/maxresdefault.jpg
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Old 01-24-2018, 07:42 AM   #13 (permalink)
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Well, thought i would give you an update after one year of testing

Tire Blocks-excellent flat prevention, of the 14 units tested, 1 unit had a sidewall failure after 12 months of use/flat-sidewall cut caused. Pro-flat prevention works, Cons-expensive, special tools, a little too soft when coupled with no air

Tire Spines-Outstanding flat prevention, of the 14 units tested, no failures. Pro-flat prevention works superbly, even with no air, operation is unaffected, Cons-none listed to date

Tire Spines is also working to expand to road type tires in the future, maybe an alternative to balls and such.

Anyone out in PBB using either system
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Old 01-24-2018, 08:04 AM   #14 (permalink)
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Are those things cheap? I have only ever used tire balls and couldn't speak more highly of a company or product. I'm not sponsored by them so I pay full price for them.

Pros, any one can get them today, no experimenting, no waiting, everybody knows they work. You cannot tell the difference when they are in the tire, and you also cannot notice the transition of the tire going flat and the balls taking over the duty of holding the vehicle up. Tire case stability is still 100% when flat.

Cons, beadlocks required for install, special and expensive inflation device required to install. Will only last approximately 100 miles consecutively on a tire that is compromised to the point that it lets the lubrication out.

Assumptions, tireballs have to be lighter than the spine I would think. Probably about the same as that foam block system. The spine at least doesn't require lubrication.
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Old 01-24-2018, 08:13 AM   #15 (permalink)
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About how much does the tire spine run for a typical ATV?

I hate it when companies don't list prices for anything or even give you an idea of what certain sizes cost...
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Old 01-24-2018, 01:16 PM   #16 (permalink)
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I saw a post on their FB page that had prices, let me look for public pricing, and I have no affiliation or sponsorship with either company.

We looked at Tballs, however, due to miles required to run flat, we opted to try alternatives,

https://www.facebook.com/tirespineinc/

a few prices I saw

26x9x14: $185
27x9x14: $195
28x9x14: $205
29x9x14: $215 ...
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Old 01-24-2018, 01:51 PM   #17 (permalink)
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with the blocks our utv,s have met and exceeded all at speed , flexibility, handling , braking , cornering requirements to include operation with at least 4 rounds thru it
Is that with or without a full load of donuts?


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Old 01-24-2018, 02:08 PM   #18 (permalink)
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Is that with or without a full load of donuts?

With spline nuts
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Old 01-24-2018, 02:19 PM   #19 (permalink)
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Is that with or without a full load of donuts?

The SHTF supply of operational doughnuts are small potatoes compared to the wife in the backseat with a NEF takedown 300 win mag for taking the long shots while they're laying down suppressing fire with their .357 sig glocks.

Don't forget to securely tape on the extra plates for sustained hits.
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Old 01-24-2018, 02:20 PM   #20 (permalink)
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Can the squad cars fit 37s with minor fender trimming?
Humvee tires and runflat rings are pretty cheap.
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Old 01-24-2018, 03:25 PM   #21 (permalink)
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Can the squad cars fit 37s with minor fender trimming?
Humvee tires and run-flat rings are pretty cheap.
Yes they are cheaper, but you are very restricted to lub packs and prolonged sustained speeds, along with change in handling characteristic. We wanted/needed something that offered more then just immediate ingress/egress.

Thus far, our ops love blocks, but splines even more. Evolving tech!
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