Instructables
Do you have any old automotive cigarette lighters?
Do you want to light fireworks or light a fire electronically or remote controlled?

Well here's an instructable on how to use an old automotive cigarette lighter to do all that and more!

It's very simple:
  1. Make sure your automotive cigarette lighter looks like one in pic #4(bottom right picture)
  2. Take a thin nail or knife to pry the coil from the lighter. Cut both the connections to the lighter to leave you the bare coil, like in the picture 2nd from the top.
  3. Done! Take a small 12V lead acid battery or something else that packs a punch and connect a about 4inch (10cm) long piece of wire (off the coil) to your battery. Hold the piece of wire with a pair of plyers! If your battery is fully charged, the wire will glow very bright and be VERY hot, as seen in the top picture.


What do I do with this coil of wire?

        At first you may lack ideas, but the possibilities are near endless:
  • Control and light a fireworks display electronically
  • Start a campfire
  • Build a small electric heater
        And my favorite: Make a firecracker-canon that shoots rotten fruits and vegetables!
        (I might make an Instructable on that too ;) )

BE CAREFUL:
  • Touching the hot wire can cause serious burns(!).
  • If using a very short (<3inch/7.5cm) piece of wire with a fully charged battery, the wire can melt through, fall on to anything flamable and start a fire.
  • A Lead Acid battery "packing a punch" also means that they can electrocute you when handling them incorrectly.

Where do I find automotive cigarette lighters?
  • Well it's obvious that you might find one in your own car, but if you don't want to take your own, head over to your nearest auto junkyard. I found about 9 cigarette lighters in old or wrecked cars there!
  • Ask your non-smoking friends if they still need their auto cigarette lighter, some will be glad to get rid of them!

Thanks for checking out my Instructable! :)
perhaps the coil could be strung accross a coping saw handle to create a very unique cutting tool
yes good idea! :)
Candymanproductions (author) 1 year ago
Oh, and please vote for my project in the top right corner! Thanks :)
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Theoretically yes, but the wire itself is pretty broad, which means that you can't make quite as fine cuts as with a normal hot wire knife.
the only problem i see with this is for fireworks is howoften you can reuse it. when i do fireworks, i do 2-3 at a time, then set up another batch. with this i would have to wait for the coil to cool before setting up my next batch unless i want it to launch in my face during setup. i guess i could have like 50 of these but thats not really feasable.
A single strand of wire cools to room temperature in about half a minute if you remove it from the power source, so it should work for fireworks.