Spark Plugs???!?

Boom! The classic potato gun harnesses the combustion of flammable vapor. Show us your combustion spud gun and discuss fuels, ratios, safety, ignition systems, tools, and more.
User avatar
akaddis
Specialist
Specialist
Posts: 100
Joined: Sat Dec 09, 2006 4:56 pm

Wed Jan 24, 2007 5:07 pm

Im a Pneumatic person....and just got started on combustion. Can I use Car "Spark Plugs" for the ignition of the fuel. And if so, How?
User avatar
A-98
Corporal 5
Corporal 5
Posts: 921
Joined: Thu Apr 27, 2006 7:41 pm
Location: Santa Barbara, CA

Wed Jan 24, 2007 5:26 pm

definitely!...as for the source of the spark...try hooking up a bbq ignitor to it and seeing if that works. if it doesnt....uuhhh...i dunno. im not much of a combustion person...esp after one damn near took of my eyebrows
There are rules, and then there are hundred dollar bills.
User avatar
Hotwired
First Sergeant 3
First Sergeant 3
Posts: 2599
Joined: Fri Oct 13, 2006 5:51 am
Location: UK

Wed Jan 24, 2007 5:30 pm

Spark plugs need a few KV to work so look at stunguns or piezo sparkers to generate the required voltage.
User avatar
frankrede
Sergeant Major 2
Sergeant Major 2
Posts: 3220
Joined: Thu Jul 20, 2006 9:47 pm
Has thanked: 1 time
Been thanked: 1 time

Wed Jan 24, 2007 6:54 pm

They work, just not that well in a reall big chamber unless you use a few.
Current project: Afghanistan deployment
Zimdale
Private
Private
Posts: 9
Joined: Sun Nov 12, 2006 12:33 am

Wed Jan 24, 2007 7:09 pm

yeah spark plugs run on some 35,000 volts. So if ya find something that could put out that kinda power then sure ya can.
JDSpud
Private 2
Private 2
Posts: 28
Joined: Tue Jan 16, 2007 8:56 pm

Sat Feb 03, 2007 3:17 pm

I wouldn't use peizo sparkers because i had a friend who tried one and he said that it sucked. I really think the bbq igniters are what work the best (other than stun guns of course!) but they are usually way more expensive.
LGM
Specialist 3
Specialist 3
Posts: 320
Joined: Mon Jan 22, 2007 3:06 pm

Sat Feb 03, 2007 3:39 pm

A spark plug will work fine with a BBQ igniter, I have tried it. And, JDSpud, a BBQ igniter is peizo.
User avatar
VH_man
Staff Sergeant 4
Staff Sergeant 4
Posts: 1827
Joined: Sat Dec 09, 2006 6:00 pm
Location: New Hampshire
Been thanked: 1 time

Sun Feb 04, 2007 3:23 pm

Yeah, I used a spark-plug in a mini once...... it worked with those little piezo sparkers. Basically, if your spark gap without the spark plug is bigger than the gap made by the spark plug, you are perfectly ok.
SpudBlaster15
First Sergeant 3
First Sergeant 3
Seychelles
Posts: 2400
Joined: Wed Oct 18, 2006 11:12 pm
Has thanked: 2 times
Been thanked: 10 times

Sun Feb 04, 2007 3:40 pm

Lorem ipsum dolor sit amet, consectetur adipiscing elit. Cras nec placerat erat. Vivamus dapibus egestas nunc, at eleifend neque. Suspendisse potenti. Sed dictum lacus eu nisl pretium vehicula. Ut faucibus hendrerit nisi. Integer ultricies orci eu ultrices malesuada. Fusce id mauris risus. Suspendisse finibus ligula et nisl rutrum efficitur. Vestibulum posuere erat pellentesque ornare venenatis. Integer commodo fermentum tortor in pharetra. Proin scelerisque consectetur posuere. Vestibulum molestie augue ac nibh feugiat scelerisque. Sed aliquet a nunc in mattis.
Post Reply