hey, I took a look at my mootcycle and had the Idea to just use an ignition coil like this one: http://cgi.ebay.de/Universal-Racing-Zun ... 483d263397
to fire the sparkplug. Would it work if you just connect it to a 12 V Battery?
simple Ignition Module
Moderator: Mike Everman
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Re: simple Ignition Module
Try it and see. But seriously, you need to switch the battery on and off to get a spark. In that respect it's kind of like a piezo sparker, a constant pressure produces no spark. It's the fluctuation in pressure or electricity that creates the high voltage.pulsepower wrote:hey, I took a look at my mootcycle and had the Idea to just use an ignition coil like this one: http://cgi.ebay.de/Universal-Racing-Zun ... 483d263397
to fire the sparkplug. Would it work if you just connect it to a 12 V Battery?
Presentation is Everything
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Re: simple Ignition Module
that shouldn't be a problem,because the coil will probably vibrate if there's current on it and maybe you can use this vibration.I'll trie out and tell you.
By the way,I'll try to built an ignitoin module from a stroboskope or what ever it's called in english,bu here's a link to what i mean:
http://cgi.ebay.de/Stroboskop-Blitzer-E ... 5ae0e9f3e7
By the way,I'll try to built an ignitoin module from a stroboskope or what ever it's called in english,bu here's a link to what i mean:
http://cgi.ebay.de/Stroboskop-Blitzer-E ... 5ae0e9f3e7
Re: simple Ignition Module
Remember you want an ignition that won't kill you if you should accidentally become part of the high voltage system. Pulsejets are very distracting and it only takes "one time" to forget your concentration with a lethal voltage as mentioned in this strobe article.
"Since the circuit operates at greater than mains potential and is not isolated by a transformer, it is extremely dangerous. The DC operating potential is about 340V, and there is more than enough stored charge to kill you many times over (although in my experience, once is usually sufficient). This is not meant to be funny - this is truly serious stuff. In addition, the circuitry usually is directly mains (line) powered, with no isolation. Discharge all capacitors before working on any flash system."
http://sound.westhost.com/project65.htm
"Since the circuit operates at greater than mains potential and is not isolated by a transformer, it is extremely dangerous. The DC operating potential is about 340V, and there is more than enough stored charge to kill you many times over (although in my experience, once is usually sufficient). This is not meant to be funny - this is truly serious stuff. In addition, the circuitry usually is directly mains (line) powered, with no isolation. Discharge all capacitors before working on any flash system."
http://sound.westhost.com/project65.htm
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Re: simple Ignition Module
Yeah, don't mess with it. Go to the junkyard for a clothes dryer ignition module. It bites, but does not kill.
Mike Often wrong, never unsure.
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Re: simple Ignition Module
Mark is perfectly correct, a strobe driver is not a safe ignition source under any circumstances! the circuit quoted is a very nice one for the job intended but if it was built incorrectly with out R6 or R7 it would remain live even after it was turned off and unplugged from the mains supply for a significant period.Mark wrote:Remember you want an ignition that won't kill you if you should accidentally become part of the high voltage system. Pulsejets are very distracting and it only takes "one time" to forget your concentration with a lethal voltage as mentioned in this strobe article.
"Since the circuit operates at greater than mains potential and is not isolated by a transformer, it is extremely dangerous. The DC operating potential is about 340V, and there is more than enough stored charge to kill you many times over (although in my experience, once is usually sufficient). This is not meant to be funny - this is truly serious stuff. In addition, the circuitry usually is directly mains (line) powered, with no isolation. Discharge all capacitors before working on any flash system."
http://sound.westhost.com/project65.htm
Take Mikes advice and look for a commercial gas igniter unit that is battery powered (it will still make you cry when it bites but it wont kill you;-)
Viv
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