Tire spring load

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  • ZERO25
    Senior Member
    • Aug 2018
    • 5240

    #1

    Tire spring load

    When using the Tire Pro from Boydbilt, how do you correlate that measurement to your spring load?
  • MasterSbilt_Racer
    Senior Member
    • May 2007
    • 14324

    #2
    How do you equate the Boyds measurement to the on-track stiffness? Is that "blow up effect' of the centrifugal force during spinning a simple preload? Or, does that tension on the nylon actually impact the on-track rate?
    Modern Day Spec Wedge Racing

    Comment

    • Jking24
      Senior Member
      • Oct 2017
      • 1519

      #3
      Originally posted by MasterSbilt_Racer View Post
      How do you equate the Boyds measurement to the on-track stiffness? Is that "blow up effect' of the centrifugal force during spinning a simple preload? Or, does that tension on the nylon actually impact the on-track rate?
      I'm thinking the same people that buy this machine will be the ones complaining about not being able to afford to keep up with the big teams while Throwing money in all the wrong directions. Smh

      Comment

      • MasterSbilt_Racer
        Senior Member
        • May 2007
        • 14324

        #4
        Originally posted by Jking24 View Post
        I'm thinking the same people that buy this machine will be the ones complaining about not being able to afford to keep up with the big teams while Throwing money in all the wrong directions. Smh
        You are speaking my language.

        If I was manufacturing tires, I'd probably consider it. But then, I'd have something much more elaborate from MTS or Instron. For now, I'll keep looking for "build at home" ways to improve the cars until that's completely illegal.
        Modern Day Spec Wedge Racing

        Comment

        • ZERO25
          Senior Member
          • Aug 2018
          • 5240

          #5
          Is it not a device to get a little closer to consistent setups?

          Comment

          • MasterSbilt_Racer
            Senior Member
            • May 2007
            • 14324

            #6
            Originally posted by ZERO25 View Post
            Is it not a device to get a little closer to consistent setups?
            Depending on tire variations batch to batch, maybe. If you can buy hundreds and sell the ones you don't think test right. I don't see many people having a legit use for this as far as bang for buck.
            Modern Day Spec Wedge Racing

            Comment

            • Punisher88
              Senior Member
              • Nov 2014
              • 495

              #7
              I'd say the ranges in 1 single tire could be huge just depending on where you check it. The things aren't even round.

              Comment

              • ZERO25
                Senior Member
                • Aug 2018
                • 5240

                #8
                In the test they published, on 4 tires, the spring load was 60-130 lbs difference!

                In my thinking, what kinda difference does it take for a good driver to feel!

                Comment

                • MasterSbilt_Racer
                  Senior Member
                  • May 2007
                  • 14324

                  #9
                  Originally posted by ZERO25 View Post
                  In the test they published, on 4 tires, the spring load was 60-130 lbs difference!

                  In my thinking, what kinda difference does it take for a good driver to feel!
                  I change tires all the time and car doesn't go to hell.
                  Modern Day Spec Wedge Racing

                  Comment

                  • Burke1118
                    Senior Member
                    • Mar 2018
                    • 222

                    #10
                    Originally posted by ZERO25 View Post
                    In the test they published, on 4 tires, the spring load was 60-130 lbs difference!In my thinking, what kinda difference does it take for a good driver to feel!
                    Take your shorter RR spring from Raceknowhow, your special matched set from the tire smasher, and I expect to see you running upfront at the World 100 this year!

                    Comment

                    • billetbirdcage
                      Senior Member
                      • May 2007
                      • 2020

                      #11
                      Originally posted by ZERO25 View Post
                      In the test they published, on 4 tires, the spring load was 60-130 lbs difference!
                      If that is all they was off, then they got a really good matched set of tires.

                      Comment

                      • ZERO25
                        Senior Member
                        • Aug 2018
                        • 5240

                        #12
                        Originally posted by Burke1118 View Post
                        Take your shorter RR spring from Raceknowhow, your special matched set from the tire smasher, and I expect to see you running upfront at the World 100 this year!
                        Expect you cant see much with your head up your Winters!

                        Comment

                        • Burke1118
                          Senior Member
                          • Mar 2018
                          • 222

                          #13
                          Originally posted by ZERO25 View Post
                          Expect you cant see much with your head up your Winters!
                          Says the one who makes thinks an 8” spring gives you more sidebite lololol. But hey, when all else fails, make rearend jokes…… 👍🏻

                          Comment

                          • Lizardracing
                            Senior Member
                            • Sep 2009
                            • 839

                            #14
                            I'm curious what the machine says between a new tire and one with 100 laps on it, an molested one, and a sipped only one, and a cut one.
                            Then I want to find a dirt track that's consistence enough from night to night, lap to lap for it to matter.
                            Then I want too see Davenport or the like do an A-B-A blind testing.

                            Without that, it's just marketing noise.
                            Not much difference then this spring rebound/histeria theory. In the dirt modified world, lots of those guys are replacing spring every 10 nights with $150/each springs because they feel the rebound goes away but can't be tested for.
                            Like tires, tires are bigger springs than the springs are.

                            Comment

                            • Jking24
                              Senior Member
                              • Oct 2017
                              • 1519

                              #15
                              Originally posted by Lizardracing View Post
                              I'm curious what the machine says between a new tire and one with 100 laps on it, an molested one, and a sipped only one, and a cut one. Then I want to find a dirt track that's consistence enough from night to night, lap to lap for it to matter. Then I want too see Davenport or the like do an A-B-A blind testing.Without that, it's just marketing noise. Not much difference then this spring rebound/histeria theory. In the dirt modified world, lots of those guys are replacing spring every 10 nights with $150/each springs because they feel the rebound goes away but can't be tested for. Like tires, tires are bigger springs than the springs are.
                              My question is how is compressing a tire vertically on a flat surface while stationary even remotely relevant to any condition seen on the car lol

                              Comment

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