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Old 08-02-2006, 10:51 PM   #16
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Does anyone know how to make a tire warmer?
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Old 08-03-2006, 12:22 AM   #17
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Does anyone know how to make a tire warmer?
heat it up...

Tony
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Old 08-03-2006, 12:48 AM   #18
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not sure how to make tire warmers that you guys use, but in karting i have a heat box made out of ply wood and fiberglass insulation that can fit 4 tires mounted on rims, and it has a smaller apartment that the heat can get into and stay very hot(around 150*F)for around a week using very little energy, i use that apartment to heat oil and "burn" it into my chain, but it could easily fit 6 normal r/c tires in it, but only 3 offroad ones probably. Its rigged up to a heat gun, and its really easy to use, i just made a hole in the side of the heat box, and made a fitting out of small thermoflex type material, and a cap to cap it off when im done using the heat gun. I'll have to get some pictures sometime so you guys can see it.
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Old 08-03-2006, 12:54 AM   #19
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Originally Posted by PeteB
Drew, what were the specs on the pot you used. I also made up some tyre warmers, but the lowest resistance pot i could get was 500ohms, which when putting in 12v, means that it cuts the voltage down to zero with only a few mm of turning the pot. so I have been running the warmers off my charger, which is not ideal, as I want to peak the pack at the same time that the warmers are doing their thing.

thanks

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Pete I can send you the details of the one I made. It does have a 500 ohms pot but you need to put some resistors in series so you don't have a 0 ohm resistance on the adjust. Here is the schematic.
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DIY RC stuff-schematic-warmers.jpg  
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Last edited by Drewdc90; 08-03-2006 at 01:25 AM.
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Old 08-03-2006, 02:03 AM   #20
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All I can think of to keep tires warm is one of those hot/icy packs and an insulated lunch bag. Or maybe tear appart a toaster and use the heating wires. Wrap them in tin foil... Bad idea?
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Old 08-03-2006, 02:27 AM   #21
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Originally Posted by MK_Arbiter
All I can think of to keep tires warm is one of those hot/icy packs and an insulated lunch bag. Or maybe tear appart a toaster and use the heating wires. Wrap them in tin foil... Bad idea?
Very simply, a tire heater is just a long wire connected to a power source. The resistance of the wire causes it to heat up. After that, you have to devise a way to regulate the temp/current.
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Old 08-03-2006, 02:37 AM   #22
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So wire and tinfoil hooked up to a power supply might work?
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Old 08-03-2006, 02:41 AM   #23
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I built a powerstation with a digital voltage readout. I installed it with a protective fuse and heatsink.

You can check it out here: http://www.rctech.net/forum/showthread.php?t=122887

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Old 08-03-2006, 02:45 AM   #24
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Originally Posted by MK_Arbiter
So wire and tinfoil hooked up to a power supply might work?
You need to use specific resistance wire such Nichrome or Cuprothal. But yes, after that you just hook it up directly. To get the right temperature range you need to adjust the length of the wire, after that you can use a pot or something for fine tuning, but that's about it. Of course, you need something to wrap the wire around the tires with. Denim and velcro are your friends.
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Old 08-03-2006, 03:17 AM   #25
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hmmm what will i need? some denim to keep my digits safe, some velcro, the wire, tinfoil, a power supply, shoe goo... I have to try it someday.
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Old 08-03-2006, 03:28 AM   #26
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Quote:
Originally Posted by Nicadrauspro4
I built a powerstation with a digital voltage readout. I installed it with a protective fuse and heatsink.

You can check it out here: http://www.rctech.net/forum/showthread.php?t=122887

Nice bit of gear you put together. Very well made and Very practical. Good to see you are still perfecting it. 10 out of 10
Lets see more DIY projects. Anything useful, practical and something to be proud of.
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Old 08-03-2006, 03:37 AM   #27
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DIY Drift tires... Very crappy looking drift tires.
Can anyone help me? I'm considering building a power supply. Anyonyone know how to make the "build your own power supply" word document less confusing to a 14 year old?
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Old 08-03-2006, 04:00 AM   #28
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DIY Drift tires... Very crappy looking drift tires.
Can anyone help me? I'm considering building a power supply. Anyonyone know how to make the "build your own power supply" word document less confusing to a 14 year old?
You can pretty much follow the pictures:
http://web2.murraystate.edu/andy.bat...owerSupply.htm
http://64.233.161.104/search?q=cache...ply.htm+&hl=en
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Old 08-03-2006, 07:08 AM   #29
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ok the easest way to do it is cut of the 20 or 22 pin clip. thne connect the 1 green wire and solder it to a black wire that will turn on ur p/s. then solder a 10 hom resiter to a 12v wire then the other side to a black/ground wire. then ur done. power it up and take a volt meter to make suree and see what wiers are what voltage
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Old 08-03-2006, 03:48 PM   #30
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Quote:
Originally Posted by MK_Arbiter
So wire and tinfoil hooked up to a power supply might work?
Nope, quick way to set fire to something...

I'll post some pics soon...

The shorter the wire the hotter it gets, if you use foil, which is a conductor, it will short circuit, get very hot and either burn/melt something or draw so amy amps that it shuts down or kills your power supply.

I also installed a digital thermometer, which gives a reading on ambiant air temprature as well as the temprature of the tyres.

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