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Remote flame starter

Discussion in 'General Electronics Discussion' started by flamer, Oct 22, 2012.

  1. flamer

    flamer

    22
    2
    Oct 22, 2012
    Hi Guys,

    I have built a large RC water vessel. It has a fishing line on the boat which I need a way to sever this line should it become snagged.

    I thought the easiest way would be to melt it, does anyone know how I could use a small butane torch or something similar (like cigarette lighter sized) that I can operate remotely off a 12 volt dc supply?

    Heres the plan. The line goes through guide holes so its always in a certain spot. I mount the lighter underneath the line. Should it become snagged, the vessel can move away until the line is tight, then I use the remote control to send the 12 volts across the channel to the lighter, it lights a flame, flame melts the line and vessel is free of its line.

    I am just not sure how I can start a flame without friction.

    My only other option is electric scissors, but that would be very difficult to do.
     
  2. CocaCola

    CocaCola

    3,635
    5
    Apr 7, 2012
    Google electronic match for a one shot, or for something reusable consider a small section of nichrome wire aka toaster wire... With some simple math (or trial and error) you can match the nichrome wire gauge and length to a size that will glow red hot with your 12V source but won't burn out... With a little pressure you will cut through monofilament like a hot knife through butter...
     
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