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Old 07-11-2012, 12:09 PM   #1
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Default O-Rings instead of taping or fishing line for your tires

I take no credit for this idea, I happily stole it from a WonderTiger member who showed us how well it worked on his trucks.

You get the O-Rings from McMaster-Carr, get the Hard Buna-N compound. It is a lot more durable and will take a beating for much longer than fishing line. No, they aren't indestructable, but they do last a good while.

The part number I use is McMaster Carr part number 5308T311. They fit perfect on my Trencher X's.

I use two on the X's, one on my MT4's tires. (Same size)

If you run a different size tire on your truck, you just need to get a set of calipers and measure the outer diameter, and order a slightly smaller size O-Ring. You want the fit to be snug, but not so tight that it compresses the foams too much.


On my Trencher X's on my ERBE


On my MT4 G3
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Old 07-11-2012, 12:13 PM   #2
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Or better yet, line the inside of your tire with security tape and use a small bit of fiberglass resin bonding compound to adhere the tape permanetly to the inside of the tire. No more ballooning.
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Old 07-11-2012, 12:17 PM   #3
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Yeah, I like that idea, but it adds even more weight and balancing issues to the tires.

I like this setup because its quick, easy, it works, and you can take it off if you want to.

I like your idea, though. Sounds like a much better solution than taping, if you are going with a permanent setup.
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Old 07-11-2012, 12:23 PM   #4
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Originally Posted by LaTuFu View Post
Yeah, I like that idea, but it adds even more weight and balancing issues to the tires.

I like this setup because its quick, easy, it works, and you can take it off if you want to.

I like your idea, though. Sounds like a much better solution than taping, if you are going with a permanent setup.
Security tape(the stuff thats fiberglass lined)and a bit of fiberglass adhesive is not going to add anymore weight or balancing issues vs. adding a few O rings to the outside of the tire.
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Old 07-19-2012, 05:43 PM   #5
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Would have been nice to have seen this sooner. Tried 6s in my RC8TCE with the 1800kv motor after work today. Ran for 30 seconds before this happened. Wasn't even 3/4 throttle.
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Old 07-19-2012, 05:47 PM   #6
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Security tape(the stuff thats fiberglass lined)and a bit of fiberglass adhesive is not going to add anymore weight or balancing issues vs. adding a few O rings to the outside of the tire.
Can you tell us more about this? Is it sold at a Hardware or Automotive store?
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Old 07-19-2012, 06:07 PM   #7
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do youy use this while racing truggys
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Old 07-20-2012, 09:45 PM   #8
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Cool tip, especially if your tires are already glued and/or you don't want to limit ballooning permanently.
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Old 07-21-2012, 04:59 AM   #9
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Can you tell us more about this? Is it sold at a Hardware or Automotive store?
Yep any auto parts store will have the stuff. FIberglass "tape" and fiberglass resin is all you need. Cut the tape to fit perfectly inside the tire and overlap an inch. Then pull tape out, coat one side with a thin layer of resin(with a bit of hardener of course) and then reapply to inside of tire. Let set for 24 hours and done.
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Old 07-21-2012, 04:59 AM   #10
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How hard are these o-rings?
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Old 07-21-2012, 04:59 AM   #11
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Quote:
Originally Posted by ntrain42 View Post
Yep any auto parts store will have the stuff. FIberglass "tape" and fiberglass resin is all you need. Cut the tape to fit perfectly inside the tire and overlap an inch. Then pull tape out, coat one side with a thin layer of resin(with a bit of hardener of course) and then reapply to inside of tire. Let set for 24 hours and done.
So tape, resin and hardener.
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Old 07-21-2012, 02:30 PM   #12
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E
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How hard are these o-rings?
They are an industrial strength compound for use in machinery.

They are hard/strong enough that I have only broken one of them in a couple months worth of bashing on grass, dirt, asphalt.
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Old 07-21-2012, 03:56 PM   #13
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E

They are an industrial strength compound for use in machinery.

They are hard/strong enough that I have only broken one of them in a couple months worth of bashing on grass, dirt, asphalt.
Are they flexible or solid?
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Old 07-21-2012, 04:15 PM   #14
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So tape, resin and hardener.
Yep thats it, the hardener normally comes iwth the resin too.
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Old 07-22-2012, 04:27 AM   #15
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Very cool adaptation of the mod.
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