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Old 08-18-2013, 12:50 PM   #1
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Default Help building Asphalt track

we are getting close to putting down asphalt for a touring/oval track here at W.C.R.C. @ Riveredge in Wilkesboro, Nc.

the parking lot racing is getting better in this area so we feel it is time to put in a track...(plus it is getting to be a pain to set up a track everyother saturday for racing...LOL)

we currentlly have a offroad track and a clay dirt oval.

Wanted your recomendations for this project.....type of asphalt? prep work? anything that surprised ya'll when you put in yours?

thanks for the help.
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Old 08-18-2013, 06:16 PM   #2
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Location: Michigan
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I have seen a track here in michigan that was a former go-gart track, anyways they used 4" aluminum tube and made the outline of the track and burms with ithe tubing only putting about 1/2 of the tube underground when they poured the asphalt it was really a nice look and was from the 1950s and still looked good. The track is now a tim hortons donut shop , but was great in the 1980s/90s
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Old 08-18-2013, 07:02 PM   #3
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having a little knowledge about asphalt from previous experience, the type of asphalt you choose to use isn't really going to be an issue. pretty much any type aside from porous asphalt should give you a good smoothe consistant surface. having an asphalt "strong" enough also shouldn't be an issue if you plan on using this surface for RC cars only. RC cars won't weigh anywhere near enough to damage the asphalt, obviously.
the most important things are to make sure you have a good base to prevent as much cracking as possible. the next is what type of sealer you are going to use. this will ultimately be what affects traction and the overall "feel" of the track.
you will basically always have small cracks as the asphalt cures and reacts to temperature and moisture changes throughout its first year. it usually takes almost a full year for new asphalt to fully cure. this doesn't mean you can't use it after several days, but that you will notice change in color and notice tiny cracks, which are normal, appear as it goes through the entire curing process.
it's often recommended to leave it unsealed for the first year, or at very least 6 months so that it can fully cure. if you seal it right away, it'll never cure properly and it'll decrease it's life.
if you lay down a good base, the paving company uses the right mixture and you allow the pavement to cure before sealing, you'll be golden.
once it's time to seal the asphalt, that's when you have a big decision to make and hopefully those that have built/run RC tracks can chime in with the best sealer for RC racing use.
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