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post #1 of 20 (permalink) Old 05-30-2008, 02:34 PM Thread Starter
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Tire warmers?

Has anyone ever ran tire warmers from a car power inverter and how many watts are required to run them? as opposed to getting a generator. Anyone have a line on some economical tire warmers?
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post #2 of 20 (permalink) Old 05-30-2008, 02:36 PM
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that would be insane if it could do that.



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post #3 of 20 (permalink) Old 05-30-2008, 02:40 PM
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Quote:
Originally Posted by tnat View Post
Has anyone ever ran tire warmers from a car power inverter and how many watts are required to run them? as opposed to getting a generator. Anyone have a line on some economical tire warmers?
Tony, I can run a few sets of tire warmers off my generator. If you ever want to borrow it you know you can. I also have a set of warmers, Tire Soxx if I remember right they didn't cost a lot.

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post #4 of 20 (permalink) Old 05-30-2008, 02:43 PM
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I had a thread in this awhile back, specifically about inverters. The gist; not a viable option. Equalz uses the inverter in his Taco, but it doesn't run both warmers. Chickenhawks and woodcrafts use 1200 watts. DMP and bickle only draw 1000, IIRC.

Just mooch power from Geo big honkin generator.

With warmers, you get what you pay for. Get chickenhawks or woodcrafts, or you'll just end buying another set in a season or two

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post #5 of 20 (permalink) Old 05-30-2008, 02:46 PM Thread Starter
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Originally Posted by geomoto View Post
Tony, I can run a few sets of tire warmers off my generator. If you ever want to borrow it you know you can. I also have a set of warmers, Tire Soxx if I remember right they didn't cost a lot.
are you looking to sell the tyre sox? How much?
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post #6 of 20 (permalink) Old 05-30-2008, 02:51 PM
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are you looking to sell the tyre sox? How much?
Nope sorry man, I'm keepin em.

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post #7 of 20 (permalink) Old 05-30-2008, 02:53 PM
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if you are in the market for a MINT like new generator i have one for sale in the for sale forum, and its still under a no questions asked fix or replace it warranty.



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post #8 of 20 (permalink) Old 05-30-2008, 02:56 PM Thread Starter
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I had a thread in this awhile back, specifically about inverters. The gist; not a viable option. Equalz uses the inverter in his Taco, but it doesn't run both warmers. Chickenhawks and woodcrafts use 1200 watts. DMP and bickle only draw 1000, IIRC.

Just mooch power from Geo big honkin generator.

With warmers, you get what you pay for. Get chickenhawks or woodcrafts, or you'll just end buying another set in a season or two
Do you think this would work? 1250watts How much do the Tyr sox draw

http://www.theinverterstore.com/the-...odel=pwrb1250#
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post #9 of 20 (permalink) Old 05-30-2008, 03:01 PM
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The Tyr Sox are 700 Watts for the pair.

you could use this:

http://www.donrowe.com/inverters/vector_1200.html

Becareful though as this will draw about 58 Amps off your battery (not taking into account efficiency of the inverter).
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post #10 of 20 (permalink) Old 05-30-2008, 03:07 PM Thread Starter
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The Tyr Sox are 700 Watts for the pair.

you could use this:

http://www.donrowe.com/inverters/vector_1200.html

Becareful though as this will draw about 58 Amps off your battery (not taking into account efficiency of the inverter).
It says less than .60 amps load draw. where is the 58 amps. Thats alot of amps.

if they are at 700 watts then this could work. 800 watts with a peak of 1600 for surges.

http://www.theinverterstore.com/the-...v800w-top-rgb#

Last edited by tnat; 05-30-2008 at 03:10 PM.
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post #11 of 20 (permalink) Old 05-30-2008, 03:13 PM
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That's no load amps. Once you plug in the 700 watt warmers you'll pull 58 amps.

Watts = Volts * Amps
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post #12 of 20 (permalink) Old 05-30-2008, 03:27 PM
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Tony, you can borrow my generator anytime you need it. I doubt you and I will ever be going opposite directions as far as supermoto. Save your money and spend it on tires. Oh and you can hook me up with something like a pimp team jersey!

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post #13 of 20 (permalink) Old 05-30-2008, 03:31 PM Thread Starter
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Quote:
Originally Posted by JPKII View Post
That's no load amps. Once you plug in the 700 watt warmers you'll pull 58 amps.

Watts = Volts * Amps

You sure about that? 120 volts its 5.8 amps, 12 volts its 58.

check this out - http://www.angelfire.com/pa/baconbacon/page2.html
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post #14 of 20 (permalink) Old 05-30-2008, 03:33 PM
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Quote:
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You sure about that? 120 volts its 5.8 amps, 12 volts its 58.

check this out - http://www.angelfire.com/pa/baconbacon/page2.html
That's exactly right. At 12 VDC you will pull 58 Amps DC. If you were to plug it into a 120 VAC circuit you'd pull 5.8 Amps.
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post #15 of 20 (permalink) Old 05-30-2008, 03:36 PM Thread Starter
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That's exactly right. At 12 VDC you will pull 58 Amps DC. If you were to plug it into a 120 VAC circuit you'd pull 5.8 Amps.
With the inverter im running 120 volts so in effect isnt it 120volts from the inverter on? Im assuming that the inverter is also a step up transformer correct?

I found this Honda 10500watt generator that maxes out at 43amps, Im confused!

Last edited by tnat; 05-30-2008 at 03:42 PM.
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post #16 of 20 (permalink) Old 05-30-2008, 03:53 PM
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The inverter is fed with 12 VDC from your battery. It uses a step up transformer, MOSFET transistors, and a controller or voltage regulator to step the DC voltage up and then chop it into a "sign" wave (it not truly sinusoidal) to produce 120 VAC.

If you plug a 700 Watt heater into the inverter, supplying the heater with 120 VAC, it will draw 5.8 Amps AC. Thru the inverter to the 12 VDC side the amperage draw goes up to 58 Amps DC. Amps and Volts are an indirect relationship. As one goes up the other must go down. Technically if you take the inefficiency of the inverter into account (83%) you'll draw 68 amps out of the 12 VDC battery.

This is why transmission lines from the power plants are generally in the 230,000 / 115,000 VAC range. Their amp draw is significantly less (plus a whole bunch of other reasons) and they can use much thinner conductors. If tranmission was done at 220 VAC the amp draw would be roughly 1000 times greater.

The generator you gave is more than likely a 120 VAC generator. For that voltage you'd only draw 5.8 amps.

Last edited by JPKII; 05-30-2008 at 03:58 PM.
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post #17 of 20 (permalink) Old 05-30-2008, 04:27 PM Thread Starter
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Quote:
Originally Posted by JPKII View Post
The inverter is fed with 12 VDC from your battery. It uses a step up transformer, MOSFET transistors, and a controller or voltage regulator to step the DC voltage up and then chop it into a "sign" wave (it not truly sinusoidal) to produce 120 VAC.

If you plug a 700 Watt heater into the inverter, supplying the heater with 120 VAC, it will draw 5.8 Amps AC. Thru the inverter to the 12 VDC side the amperage draw goes up to 58 Amps DC. Amps and Volts are an indirect relationship. As one goes up the other must go down. Technically if you take the inefficiency of the inverter into account (83%) you'll draw 68 amps out of the 12 VDC battery.

This is why transmission lines from the power plants are generally in the 230,000 / 115,000 VAC range. Their amp draw is significantly less (plus a whole bunch of other reasons) and they can use much thinner conductors. If tranmission was done at 220 VAC the amp draw would be roughly 1000 times greater.

The generator you gave is more than likely a 120 VAC generator. For that voltage you'd only draw 5.8 amps.
Are you a EE?
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post #18 of 20 (permalink) Old 05-30-2008, 04:35 PM
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Yup
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post #19 of 20 (permalink) Old 05-30-2008, 04:37 PM Thread Starter
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Yup
Thanks For the help. Im electrically inept!
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post #20 of 20 (permalink) Old 05-30-2008, 08:38 PM
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I have Chick hawk warmers that require 1200 watts and run them on a Honda 2000eu which puts out 2000 watts.

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