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Old 01-19-2009, 12:11 PM   #1
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Default Tracks and why red dirt

Guys why is almost all the tracks I have seen are with red dirt can other kind of dirt be use that does not stick so hard to the RC cars?? What so special about using red dirt??

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Old 01-19-2009, 12:20 PM   #2
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That red dirt is either clay or it has a high clay content. Therefore it packs together well and will in some cases, "bluegroove" meaning it gets rock hard and gets super grippy. So much so that the track will develop a blue shade where the racing line is. This is due to the tires wearing and leaving behind rubber.

Makes for a very fast track, but less forgiving in a crash If you're having problems with dirt sticking, spray WD-40 on a toothbrush and give your car a rub-down with it. When the WD-40 evaporates, it leaves behind the oil, which the dirt won't stick to. In extreme cases, you may just wanna spray the WD-40 directly on the car.
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Old 01-19-2009, 12:36 PM   #3
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That red dirt is either clay or it has a high clay content. Therefore it packs together well and will in some cases, "bluegroove" meaning it gets rock hard and gets super grippy. So much so that the track will develop a blue shade where the racing line is. This is due to the tires wearing and leaving behind rubber.

Makes for a very fast track, but less forgiving in a crash If you're having problems with dirt sticking, spray WD-40 on a toothbrush and give your car a rub-down with it. When the WD-40 evaporates, it leaves behind the oil, which the dirt won't stick to. In extreme cases, you may just wanna spray the WD-40 directly on the car.
So the slay makes a better track then other kind of dirt.. Ok got it..
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Old 01-19-2009, 02:54 PM   #4
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So the slay makes a better track then other kind of dirt.. Ok got it..
Not all the time. I love a good red clay track but I have raced on a few non clay tracks that were fantastic. Red clay is especially good for indoor tracks IMO. It is also great for outdoors but a looser, more loamy topsoil type dirt can work very well too. Some of the best dirt I ever ran on was some black dirt with a funny smell the track owner got for free somewhere. While the somewhat nasty nature of this stuff made us speculate that it came from an old septic tank, the grip and tire wear was amazing.
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Old 01-19-2009, 03:02 PM   #5
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Not all the time. I love a good red clay track but I have raced on a few non clay tracks that were fantastic. Red clay is especially good for indoor tracks IMO. It is also great for outdoors but a looser, more loamy topsoil type dirt can work very well too. Some of the best dirt I ever ran on was some black dirt with a funny smell the track owner got for free somewhere. While the somewhat nasty nature of this stuff made us speculate that it came from an old septic tank, the grip and tire wear was amazing.
a few years ago when "they" made all the gas station replace the old tanks with "New Spec Tanks" there was contaminated soil everywhere, and station owner were paying big money to get rid of it... so for many track owners that worked out well, considering they are going to contaminate it anyway.
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Old 01-19-2009, 03:32 PM   #6
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Originally Posted by K_B View Post
That red dirt is either clay or it has a high clay content. Therefore it packs together well and will in some cases, "bluegroove" meaning it gets rock hard and gets super grippy. So much so that the track will develop a blue shade where the racing line is. This is due to the tires wearing and leaving behind rubber.

Makes for a very fast track, but less forgiving in a crash If you're having problems with dirt sticking, spray WD-40 on a toothbrush and give your car a rub-down with it. When the WD-40 evaporates, it leaves behind the oil, which the dirt won't stick to. In extreme cases, you may just wanna spray the WD-40 directly on the car.
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Old 01-19-2009, 04:47 PM   #7
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Some parts of the country. Southeast... This is all they have, the dirt is red..
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Old 01-19-2009, 04:50 PM   #8
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Ive raced at a track that is on the banks of the Yadkin River here in NC. The soil was sandy but there was alot of moisture and it held in place pretty good. The racing line became almost hard packed but was still loose enough for great traction using something like Bowties and you could add a little more punch to your clutch without worrying about wheelspin (compared to red hardpack dirt). The sand wasnt dry so it didnt fly around and clog up air filters or invade and destroy bearings and moving parts and would fall right off by just shaking your car. Pretty much the best dirt ive ever set my buggy down on.
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Old 01-19-2009, 04:55 PM   #9
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Some parts of the country. Southeast... This is all they have, the dirt is red..
Yeah, I live in NC and SC,GA,TN,VA,KY,AL have red dirt too. The dirt is red because of high Iron content in the soil. The Iron oxidizes (rust) and turns the soil red.
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