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Old 2020.07.09, 02:52 PM   #1
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Tire Truing ideas?

I've been wanting to feel the difference of driving with trued tires for quite some time. Unfortunately the entry point of $200 AND a power source has been a hurdle that I have not been willing to overcome. I garage race HFAY with a couple of friends, with an occasional trip to race with PDX (before the COVID).

For someone that is not a top-level racer (my whole "club" is very middle of the pack in HFAY). Do you think it makes a difference?

Second question: has anyone tried to make their own? I was imagining making a stand that would hold a Dremel in place, but since I have never seen one in person it is difficult to figure out the best way to do it. I am moderately handy, one of our racer is extremely handy, and we have access to CAD, 3d printing and basic machining tools.

Thanks for the help! Sidenote: two of us were HFAY top 10 this season! I guess showing up and finishing races was more important than being fast this season unfortunately.
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Old 2020.07.09, 03:41 PM   #2
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My opinions only... people tend to get twisted when you talk what 'must' be done vs. may be done. I am clearly not a top level driver and only just come into HFAY top 10 as my goal when my club participates.

Yes, it's very helpful however it really also depends on what tires your using. If you run radials, truing the tire obviously negates all that tread pattern. When I run Kyosho 30 radials, I do not true them until the tread is work off and only then, to make sure the diameter remains same.
When I run a slick, I do tend to true them for several reasons. It takes off any production film or coating. It ensures same diameter. I don't gauge my tires though as I don't take it to that level.

The plain but simple reality is this, if you feel it gives your skill level a little something extra, why not? This is by no means required as I have on many occasions been trounced by top level drivers with garbage tires. Skill, learned or otherwise, is always the largest advantage.

I would highly recommend that if this is something your interested in to get a group buy to purchase one for the group and simple share it. Why spend $200 when you can spend significantly less for something that will otherwise site idle a majority of it's life. I provide one for our club for public use and just ask that they treat the equipment with respect. Group soldering station never fairs as well as the tire truer but that's another story.

The most frustrating thing for me is these things never come with a power supply and more often than not assume you have a 'dedicated' power supply such as those used in larger scales and more complicated charging systems. It is a real headache to find a suitable AC power supply that provide sufficient amps at an appropriate voltage. Even more challenging if you want to have adjustable voltage so you can further refine how fast the thing chews the $7 pair of tires you just bought. I ended up with a fairly cheap retrofitted server power supply with a D.I.Y. adjustable voltage do-hicky to ensure my tire monster doesn't melt down, bubble, chunk, or otherwise trash a $7 pair of tires before I even get to use them.

The mechanics of the machine are fairly simple and there are 3d models for making your own out there. You could for example buy a sanding drum from PN/Hudy and build the rest yourself. I would not advise a Dremel unless it's adjustable speed and able to withstand say 6-7amps. Even then you better keep a first aid kit handy.

Bottom line, I do feel it does improve my consistency. Will it make me a top level driver? About as likely as standing next to a top level driver and absorbing his skill via osmosis. Tools will only take you so far and it's nothing more than a tool in your arsenal. It will never replace the efficacy of simple practice though.
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