wierd pezo problems...

Boom! The classic potato gun harnesses the combustion of flammable vapor.
flamerz14
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when i was testing the pezo it worked for a wile but when i put the wires to pins and attached them to my mini and wrapped electrical tape, it stopped sparking at the gap. i tried closing and opening the gap but no difference...when i removed the tape and clicked, i saw the current run ABOVE :shock: the insulated part of the wire...what happenned?
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jjjd
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how long was the length of insulation, if it was like 1" i could see it happening
flamerz14
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yup..its around that length...wats wrong? after i took it out of the pill bottle and tried it, it worked. :?
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MisterSteve124
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Thats not weird its just peizo igniters suck. Or it could just be that the wires aren't making contact with the pins. Wrap them around a couple times
sjog
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I made a clean spark strip, then bench tested it and it worked well.
Then I built a gun around it-- it would'nt work. Tried 2 pezieos, still no spark. Took out strip put in 2 longer bolts plus ground , worked well.

Pezeios are cheap and easy to get but they suck.

From this site there are links to get BATTERY igniters ,30 bux well spent.
Can be hard to tame spark but but very consistent after set up.

2 sparks much easier with BATTERY igniter
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MisterSteve124
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or a bbq igniter
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jjjd
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regular bbq ignitors dont have enough power to jump 2 gaps, they can but suck at it
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ProfessorAmadeus
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Or use a stun gun...
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Flying_Salt
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jjjd wrote:regular bbq ignitors dont have enough power to jump 2 gaps, they can but suck at it
Oh really? I made a 4-gap one. I'll film it and upload it later. Seriously.
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flamerz14
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so...how do i do a spark strip for a mini?
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Flying_Salt
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My camera is messing up, so here's a diagram. I put it on an old ruler and used copper wire (good conductor)

Image
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flamerz14
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ok...but my pezo has only 1 wire which i attach to a pin . there is another pin which is not wired. occasionally theres a spark..
flamerz14
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heres the pic..

Image
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SpudStuff
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Where is the spark going to go to? It is just like a electrical circuit. Needs an anode and a cathode.
flamerz14
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the spark is between the two pins.bench testing showed that sparks were flying but when i put them into a pill bottle for my mini, it was like the bottle conducted away the current from the spark, thus not igniting the fuel i had sprayed in(being after-shave and air refreshener
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