versus
Flint igniter Vs bbq sparker
I would go with the BBQ igniter. It's easier to upgrade and won't fail when wet.
They both have their strengths and weaknesses, for example a flint sparker is better for a beginner, it will ignite 100% chance if it is not wet, if it gets wet its very easy to dry. A BBQ sparker is more versatile in what you can do with. Things like one or more spark can be achieved with a BBQ sparker, not a flint, but are at the same harder to get to work. In the end unless you are using a more advanced cannon, the two of them in my opinion balances out through their strengths and weaknesses.
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mark.f
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Flint sparkers are best for aerosol cannons, where you need a big A$$ spark to ignite a somewhat imperfect fuel mixture. On a propane cannon, they work, but a BBQ with even only one spark gap will ignite a 4.2% mixture damn near 100% of the time, (if you screw up, then it doesn't work).
Ok my problem with regular red button bbq sparkers is that they are way too expencive to buy, but lets say i get one by other means, they need tons of insulation so that you dont get shocked and... they make a tiny spark. My favorite ignitor is the expencive grill's aaa powered continuous spark igniter. 
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tinyspud14
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In my combustion i use a flint, but in my mini i use a long nose lighter sparker. the only prob i have with the flint is that it uses to much flint. although refills for flint are cheap. For a bigger gun i would reccomend a flint sparker so you can ignite uneven mixtures, but in a mini i would reccomend a lighter sparker cuz they're cheap and it doesent take much to ignite a mixture in a mini.
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singularity
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ever heard of electrical tape? just cover all the exposed metal with electrical tapethey need tons of insulation so that you dont get shocked and...
be sure to check out my <a href="http://www.spudfiles.com/forums/ak-styl ... 9.html">AK Styled Vortex Gun</a> and my <a href="http://www.spudfiles.com/forums/at-4-t9627.html">AT-4 Rocket</a>
upcoming projects... finalized clip fed BBMG and ball point pen sniper
upcoming projects... finalized clip fed BBMG and ball point pen sniper
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mark.f
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Or conceal the BBQ igniter in 3/4" SCH-40, like I do all the time. Plus, use some electrical tape on all exposed wire. I've never had sparkers shock me, and who really cares if they do? Just move your hand...
My big combustion uses two 1/8" spark gaps from a BBQ igniter. Only time it doesn't fire is when I try to use starter fluid, (aerosols suck in general), or when I mess up with my meter pipe pressure.
And yes, they are sometimes expensive, but that is overcome by salvaging them from old BBQ grills nobody wants to use anymore. A gas grill electronic sparker is more money than a normal piezoelectric one, is harder to find, and is fairly new to grills, so you can't salvage them because people are still using them.
My big combustion uses two 1/8" spark gaps from a BBQ igniter. Only time it doesn't fire is when I try to use starter fluid, (aerosols suck in general), or when I mess up with my meter pipe pressure.
And yes, they are sometimes expensive, but that is overcome by salvaging them from old BBQ grills nobody wants to use anymore. A gas grill electronic sparker is more money than a normal piezoelectric one, is harder to find, and is fairly new to grills, so you can't salvage them because people are still using them.
I find it really hard to get flint sparkers so I don't use them. The BBQ ones are good because you can put them with the fan control in a fancy looking box. Not only does it sell for more, but it looks better for boasting purposes 8)
