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Trying to create a nichrome coil heater that runs off cr123 batts

Trying to create a nichrome coil heater that runs off cr123 batts

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Old 04-12-2009, 08:55 AM   #1
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Trying to create a nichrome coil heater that runs off cr123 batts

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Last edited by freddo; 10-21-2009 at 01:44 PM.
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Old 04-12-2009, 09:48 AM   #2
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Trying to create a nichrome coil heater that runs off cr123 batts

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Originally Posted by freddo View Post
Ok, so what i am trying to do is create a mini nichrome coil heater that runs of 2xcr123 batt's and can heat up to to turn propylene glycol into vapour. Basically lke a mini fog machine.
Latent heat of vaporization: 101.3kpa (respectively 60.5mpa. 19) 2.49KJ / kg
° ree; C and 711KJ / kg
How fast you want this process to work?

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Old 04-12-2009, 09:54 AM   #3
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Trying to create a nichrome coil heater that runs off cr123 batts

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Originally Posted by Yoyizit View Post
Latent heat of vaporization: 101.3kpa (respectively 60.5mpa. 19) 2.49KJ / kg
° ree; C and 711KJ / kg
How fast you want this process to work?

Ok i just found out that
Propylene Glycol — Boiling Point: 188.2 °C


I need it to get to that temprature within a matter of seconds. If possible 1 sec.

Thanks for the speedy response

Hopefully i want the batts to be around 3.6v with a rating of around 1200 mah
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Old 04-12-2009, 09:57 AM   #4
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Trying to create a nichrome coil heater that runs off cr123 batts

Would this nichrome wire be suitable?

http://cgi.ebay.co.uk/Nichrome-Resis...3A1|240%3A1318
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Old 04-12-2009, 10:23 AM   #5
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Trying to create a nichrome coil heater that runs off cr123 batts

You need 1 btu per pound per °F.
188°C = [(188+40)(9/5)]-40 = 370°F
so for one pound of this stuff you need to input 370 btus =
http://www.onlineconversion.com/
108 watt hours of energy.
108 w-h is 1080 w for 6 minutes is 10,800 w for 3.6 sec is 39 kW for 1 second, about as much as 40 residences take each second.

Sounds impractical.
Which design constraint would you like to relax?
Last edited by Yoyizit; 04-12-2009 at 10:33 AM.
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Old 04-12-2009, 10:31 AM   #6
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Trying to create a nichrome coil heater that runs off cr123 batts

lol...hmm....any suggestions?
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Old 04-12-2009, 10:34 AM   #7
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Trying to create a nichrome coil heater that runs off cr123 batts

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lol...hmm....any suggestions?
Less fog? More time? Both?
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Old 04-12-2009, 10:36 AM   #8
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Trying to create a nichrome coil heater that runs off cr123 batts

It doesnt have to have a hell of alot of fog. What i am trying to do is create a new heating coil for my electronic cigarette, a portable vaporizer. This will probably give you a clearer understanding of what i'm after.
Last edited by freddo; 04-12-2009 at 10:36 AM. Reason: typo
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Old 04-12-2009, 10:43 AM   #9
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Trying to create a nichrome coil heater that runs off cr123 batts

Your battery is 6v 1.6 A-h which is 10 w-h. Practically you could get 1 w for 10 hours from these two cells.
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Old 04-12-2009, 11:09 AM   #10
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Trying to create a nichrome coil heater that runs off cr123 batts

How about these batts http://www.bestofferbuy.com/TrustFir...campaign=gbase
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Old 04-12-2009, 01:21 PM   #11
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Trying to create a nichrome coil heater that runs off cr123 batts

3.3 w-h per cell.

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