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Auto Combustion?

A place to ask general spud cannon related questions.
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Auto Combustion?

Unread postAuthor: zvallance1 » Wed Apr 26, 2006 3:58 pm

Well i was playing around with my mini combustion earlier (aka 2 inches of 1/2" pvc that i fill with a lighter, and spark with a piezo) and i saw that once i got the timing down, i could keep the lighter "on" (continuosly filling the chamber) and get it to ignite nicely each time i clicked the piezo

Now, i know that that's some pretty obvious knowledge, but why not take it to the next level?

The hardest thing to get this to work would be a constant spark (maybe stunguns can keep a spark going for a minute or so...I dont know though)
Other than the spark, all youd have to do would attatch a barrel with a hopper on it, to the comb. chamber, turn on the propane pretty low, and start the spark up.

i know that the combustion wouldnt be the most powerful that you could get with propane (because you'd be igniting it at the lowest fuel-air ratio that it burns at) but can anyone see any reason why this wouldnt work?

Also, if this has already been discussed, sorry. I skimmed thru the site pretty fast, but didnt see anything like this


Hope you all like the idea!
-Zev
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Unread postAuthor: beebs111 » Wed Apr 26, 2006 6:32 pm

rambo made one of these, he is a combustion/hybrid genius
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Unread postAuthor: jrrdw » Wed Apr 26, 2006 8:29 pm

Wouldn't the burnt gasses interfear with the combustion of the later/next shots?
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Unread postAuthor: zvallance1 » Wed Apr 26, 2006 8:46 pm

jrrdw wrote:Wouldn't the burnt gasses interfear with the combustion of the later/next shots?


hmm
prolly right, i guess a nice big chamber fan going nonstop would work for that



beebs111 wrote:rambo made one of these, he is a combustion/hybrid genius


damnit, did he really? I though I had a brand new idea!
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