Use these igniters ONLY IF:
- It is legal to launch fireworks where you live
- You are using factory/store bought fireworks
- You are far away from dry grass
- The launching area around the fireworks is clear
- There are adequate safety features on your controller to reduce the chance of an accidental detonation while connecting the igniters
Step 1: Acquire your materials
- Any small gauge insulated hookup wire, stranded or solid, around 20-24AWG (Size doesn't matter that much, as long as the gauge is not smaller than the steel wool you will be using. You will need about 6" per igniter.)
- Matches, one per igniter
- Electrical tape
- Grade #3 steel wool (commonly used to remove paint and clean engines)
- Scissors (or teeth, for cutting electrical tape)
- Wire strippers (if you don't have any, try using scissors)
Step 2: Tape wires to the match
Step 3: Wrap the match head with steel wool
Take your ball of steel wool and look for a long, thick piece. The pieces are not uniform throughout the ball, so find a good one that is about 3" long. Extra length can be cut off when we are finished, so don't worry about having a piece that is too long.
First, pinch the end of the steel wool strand between one of the wires and the match, as seen in the first photo below. This will keep it from slipping off when we wrap it around the match head.
Wrap the steel wool around the head, around the wire on the opposite side, and back to the wire you started on. Then, do this once more (wrap it around the match twice). When you have done this, you should have two strands of steel wool crossing each side. See photos below for more detail.
The number of times you wrap the steel wool around the match head is important because if the steel wool wraps around too many times it will just conduct and not heat up. Too little, and it burns up before it can ignite the match.
After wrapping the steel wool around twice, loop it around the wire you started on a bunch of times to take up the extra length and hold it in place.
Step 4: Secure the steel wool
Step 5: Using the igniters
Depending on the thickness of your speaker wire, you should be able to prop the igniters up in a way that will keep them near enough to the fuse of a firework to ignite it. Leaning the match heads right up against the fuse itself has worked well for me so far.
Things to consider:
- Make sure that the alligator clips are not touching each other, as this would cause a short circuit
- Make sure the exposed wires near the match head of the igniter are not touching each other
- If the igniter does not ignite after 1-2 seconds of pushing on the ignition button (applying power to the circuit) stop pressing it or you will short out your controller/battery because the full current is flowing back to it, rather than having the resistance of heat in the steel wool.)
- When the igniter is used up, it ideally will completely break the connection between the two wires, but sometimes it doesn't, so a channel might show up on your controller as still being unfired, even if the match has already been burnt up. Keep track of what you have fired already, because there is usually at least one igniter that does this in a batch of 12 being used at once.