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Hot Wire Cutter How-To

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Uploaded by on Mar 13, 2008

This is a very simply put together tutorial on how to make a very basic hotwire cutter. It's enough to get up up and running but doesn't cover all aspects in much depth.

Actually, when you get down it, there's not much point to this video tutorial all. Really, more it's like I'm just wasting space on YouTube's server with pointless, incomplete hobby how-tos.

w00t!

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Howto & Style

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Standard YouTube License

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Uploader Comments (smackjackal)

  • hey y'all, not to spam, but check me out i dedicated a website to all these questions :)

  • Good video and information!

  • frederic470,

    I think there are different gauges of the nicrome wire and heavier gauges take more current to heat up. I don't recall if the video listed the gauge but you might need more current.

  • My bad, I'm actually using 32ga wire, not 16.

  • I connected my nichrome wire to 4 D-cell batteries with alligator clips just like you, but it doesn't get hot at all. I can still touch it and it gets barely warm, and yes my batteries are in series.

    please help, any ideas?

  • Try using more current. It's likely that you're using a thicker gauge of nichrome wire that I am. Be careful, though.

    For more information that I present here, check out the links listed off of the Wikipedia article titled "Hot-Wire Foam Cutter." There's some good information there about the resistivity of Nichrome wire and current.

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All Comments (20)

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  • nice video man, this is not a wast of space on youtube it was killing me that i could not find out why all my trys to make one falled this helps a lot thanks

  • could i possbily get the dimensions for this? :)

  • could i just use a transformer to plug it into the outlet for the power supply? lol.. am i making sense.. I'm clueless about this but I'm trying to make this as a class project. :/

  • @frederic470 its better to use regulated power supply so that you can easily adjust the voltage therefore the amount of current will increase and and it produce more heat.

  • @frederic470 its better to use regulated power supply so that you can easily adjust the voltage therefore the amount of current will increase and and it produce more heat.

  • alright so first thing first i love your video i made mine the same as your except i can find the d battery holders so i use something to plug it into the wall well when i plugged it into the wall the wire instantly melted

  • where can i get nichrome wire at

  • i used a 9 volt battery and mine is shorter but it didnt work and yes i followed instr. exactly

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