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metered propane?

Built a combustion cannon? Then post it here! This section is for completed, finished cannons that you have built. Please include pictures and information.
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metered propane?

Unread postAuthor: Punstype » Fri Mar 23, 2007 6:56 pm

Aloha spuddies
i seen alot of these metered propane gauges and valves and want to add one to my next combustion. but i was wondering where i could get the parts to build one without having to order them online. could i get them from my local home depot or lowes? everytime i tried to do reserch in the Wiki it refers me to someone who sells them online.
mahalo.
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Unread postAuthor: Velocity » Fri Mar 23, 2007 7:14 pm

The only way to find out is to go look at your local home depot, lowes, or other hardware store which might sell them.

On a similar note... I received my pressure regulator a few days ago, and it said it was only intended to be used for compressed air. It also said that the usage of other gases (such as liquid petroleum) would result in a combustible unit and possible external leakage...

Should I use it, or no?
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Unread postAuthor: MrCrowley » Fri Mar 23, 2007 8:09 pm

Go for it lol....A combustable regulator is all good with me :P
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Unread postAuthor: jjk92 » Fri Mar 23, 2007 8:26 pm

i used an air paint sprayer regulator and i found a cheap torch head cut the flamey part off and used a compression fitting to connect it to the steel pipe
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Unread postAuthor: isban » Fri Mar 23, 2007 9:13 pm

rmich I got the same thing on my reg I just bought. It has it clearly marked "not for bottled gases". I think it would be ok as long as there is a ball valve or something between the reg and the explosion, but I could be wrong.
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Unread postAuthor: SpudBlaster15 » Fri Mar 23, 2007 10:38 pm

rmich732 wrote:On a similar note... I received my pressure regulator a few days ago, and it said it was only intended to be used for compressed air. It also said that the usage of other gases (such as liquid petroleum) would result in a combustible unit and possible external leakage...

Should I use it, or no?


Most pressure regulators bleed excess gas pressure in order to control the output pressure, and are thus (in my opinion) hazardous to use on a propane setup. Plus, bleeding pressure is a waste of propane.
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Unread postAuthor: willarddaniels » Fri Mar 23, 2007 10:41 pm

You can get the parts from either of the hardware stores. I like Lowe's better... You will not be able to get all the items in the condition you see them in these pictures; however, you can make some modifications to get there. I am mainly referring to the 1 lb. propane tank adapter. You can get these separately, but it is cheapest to get it with the tank. The most economical comes in a box, not in plastic. You find it in tools by the welding equipment on the very bottom shelf usually. You will need to cut off the torch just before the bend and tap it to attach a fitting and hose or pipe.
Other than using common sense and getting the highest grade the hardware store have to offer, make sure the regulator is not a self-relieving one. You want the regulator to block the flow of gasses down to your specified level, not bleed out the excess until it reaches your specified level. Most regulators used for spray guns work this way. Read the package, it will tell you which type it is. Also, try to use brass fittings (found in plumbing), they look better and are lower profile. 1/2" ball valves can be found in both plumbing and the pneumatic tool area (close to welding supplies) They are about the same price in both places.

EDIT: You can use the regulator you already have for propane, as long as it is not a self-relieving. If it is, just return it and get the correct one.
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Unread postAuthor: ArticWolf » Sat Mar 24, 2007 5:22 am

I made my meter pipe using black pipe. (For house gas lines good for pressure) 1 ball valve, non relieving regulator and a air hose chuck (the one you use to put the air in the tire) and lastly a 1 lb tank adapter from my camping stove it roughly cost me 60 dollars for me to build, mostly due to a few 3/4 to 1/4 adapters and a special adapter to make the propane adapter fit but I like style and artistic look. you can make it cheaper but the safety pays for it self. (I would show you but I am trying to enter my cannon in the contest by May and I have to finish the cannon)
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Unread postAuthor: hi » Sat Mar 24, 2007 11:38 am

hose and hose clams... works great
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Unread postAuthor: Punstype » Sat Mar 24, 2007 9:57 pm

thanks everyone for your input. but im looking for the valves and porpane connector in the first picture i posted. anyone know where to get this,and what is the parts called so i can ask someone at the store.
Mahalo
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Unread postAuthor: willarddaniels » Sat Mar 24, 2007 11:13 pm

I just said where you can get those... go to the hardware store. If you still can't find 'em, show the pic to someone who works there.
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Unread postAuthor: jjjd » Sun Mar 25, 2007 8:54 am

go on http://www.burntlatke.com and read on how to make a propane in jector, it gives you detailed instruction and parts list
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Unread postAuthor: isban » Wed Apr 11, 2007 8:38 pm

I'm confused.
Is there anything really wrong with a relieving regulator or is it just a waste of gas?
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Unread postAuthor: WOW!! » Wed Apr 11, 2007 10:30 pm

And you dont really need the regulator, I dont use one. I just watch my gauge and when it gets to the psi I need I shut the vavle. There are many ways you can go it.

Hell you can cut some hose the lenght and use that, but as jjjd said, go and check out Burnt Lake they have some good stuff over there.
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Unread postAuthor: frankrede » Wed Apr 11, 2007 10:47 pm

isban wrote:I'm confused.
Is there anything really wrong with a relieving regulator or is it just a waste of gas?
it doesn't waste too much gas
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