Flame Cannons

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Flame Cannons

Postby bobby2sox » Wed Sep 07, 2011 10:53 am

HI there!

This next year (2012) will be my 6th year, and I am planning on building some flame cannons.

In the past I have built some smaller cannons that shoot 5-8' flames, but they never quite act how I want them to.

I have used old solenoid valves that I had laying around that always leaked a little and I never got the pressure I wanted to get those GIANT blasts that you see out there on the playa.

So here are my questions:

What solenoid valve should I use (hook me up with a McMasterCarr link or something)?
What size pipes should I use?
What volume accumulator should I use?
What pressure should I build the accumulator up to before releasing the propane?
And are there any other good tips or tricks you have for me?

Thank you so much for your help!

Also, I have been searching through ePlaya for quite a while now looking for my answers, if this topic is fully covered somewhere else, please forgive me and perhaps post a link to the thread?
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Re: Flame Cannons

Postby essjay » Wed Sep 07, 2011 4:17 pm

bobby2sox wrote:HI there!

This next year (2012) will be my 6th year, and I am planning on building some flame cannons.

In the past I have built some smaller cannons that shoot 5-8' flames, but they never quite act how I want them to.

I have used old solenoid valves that I had laying around that always leaked a little and I never got the pressure I wanted to get those GIANT blasts that you see out there on the playa.

So here are my questions:

What solenoid valve should I use (hook me up with a McMasterCarr link or something)?
What size pipes should I use?
What volume accumulator should I use?
What pressure should I build the accumulator up to before releasing the propane?
And are there any other good tips or tricks you have for me?

Thank you so much for your help!

Also, I have been searching through ePlaya for quite a while now looking for my answers, if this topic is fully covered somewhere else, please forgive me and perhaps post a link to the thread?


eplaya search function sucks. Go to google and search "eplaya flame cannon" and you will find the threads you are looking for.
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Re: Flame Cannons

Postby Snow » Thu Sep 15, 2011 1:00 am

DON'T USE OLD LEAKY VALVES!!!!! :shock:
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Re: Flame Cannons

Postby bobby2sox » Thu Sep 15, 2011 9:00 am

Can you suggest a good valve to use? One of my old valves doesn't leak... But I really want to purchase new valves, but I'm curious what other people use. Can you post a link to an online store and a specific valve? Mcmaster Carr or grainger?

Thanks
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Re: Flame Cannons

Postby EspressoDude » Thu Sep 15, 2011 9:13 am

There is a lot more to 'flame cannons' than just the valve.

Davex and Propaniac teach several classes a year about doing this safely. The questions you are asking suggest you should inquire and take one of these classes before attempting this project

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