If you're building your own potato gun this is often the hardest part to find. It gives a nice strong spark for firing reliability and is pre-wired making it easier to connect than other 'push-fit' piezos. We've used them in our own potato guns and they have not failed us yet. And because it's 'piezo electric' no batteries are required (yes that is magic!).
To make this work in a potato gun you'll need to hook up your own electrodes so they spark inside the combustion chamber. If you don't know what you're doing then our "Sinsui Piezo Igniter Potato Gun Ignition Kit 17kV" might be the best option, it has all the parts you need and fitting instructions.
SPECIFICATIONS
Minimum output voltage 17,000 volts
Minimum piezo element operations 33,000
Pre-wired fly lead connections
Requires 18mm mounting hole x 65mm deep
Total length 90mm
NOTES
Potato gun not included.
If you want to make a potato gun then Google it and know the risks.
Only use pressure-rated PVC, don't use DWV pipe!
ABOUT POTATO GUNS
Despite what a lot of people think potato guns are NOT illegal in New Zealand but you do need a firearms license to own and use one (a bit of common sense helps too). This applies to combustion-type potato guns, i.e. the sort that uses deodorant, hairspray, or similar gas fuel. Because they make an explosion (like the gunpowder in an ammunition round) to propel the projectile they are technically classed as a firearm.
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