Keeping propane tanks warm!

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Keeping propane tanks warm!

Postby arthur5005 » Tue May 06, 2014 4:11 pm

Was wondering if anyone had any experience with powered blankets for keeping propane cylinders warm on flame effect rigs:
Not keen on keeping my cylinders in a water bath.

Any other suggestions welcome. :)

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Re: Keeping propane tanks warm!

Postby Molotov » Tue May 06, 2014 4:40 pm

They are UL listed for this purpose. Of course, discussion of the use of the heating blankets should take place with the Fire Art Safety Team (FAST) and/or Performance Safety Team prior to spending a lot of money on something you can't use.

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Re: Keeping propane tanks warm!

Postby oscillator » Tue May 06, 2014 5:58 pm

Gah! You have to register just to see the specs PDF. No bueno.

Anyhoo, I am in the same boat - wanted to see what the current draw was on these blankies.

Right now I am pondering the use of fans & ducts to point engine heat towards the cylinders.

Be great if the experts could chime in here....

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Re: Keeping propane tanks warm!

Postby Jackass » Tue May 06, 2014 6:33 pm

I've seen them keep the cylinders in a hot water bath, water is either warmed using a heat transfer from engine coolant or electric hot water heater running on battery and/or genni power. I believe the later is the case with El Pulpo, which I had the chance to examine last year during the day when there's less blurry magic going on.
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Re: Keeping propane tanks warm!

Postby oscillator » Tue May 06, 2014 8:11 pm

Gotta love that Blurry Magic.

A bit of a diversion here, but this is Sue & Max's Fire Ring @ Ill Ville 2013.

Clever setup: fire ring with built-in coolant. The water circulated to keep the ring cool and to a ~400 gal Livestock Tank in which the cylinders were immersed - that also keep the cylinders warm. I have no idea how they got that much water out there.

The Ring ran all night until sunrise, then you could pull the empty tanks & jump into the bath which, at that point, was a hot tub.

Oh, there were some exquisite fire performances too. Yay Max & Sue!

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Re: Keeping propane tanks warm!

Postby trilobyte » Thu May 08, 2014 1:27 pm

If you're in a zero or very low experience with handling propane for flame effects... recruit an expert to join your team or look into taking some kind of class (some major cities have maker spaces that offer them).

Go here for more information on fire art, direct your questions to the email addresses provided on those pages.

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Re: Keeping propane tanks warm!

Postby A-RockLeFrench » Thu May 08, 2014 6:56 pm

I have heard of people using regular old electric blankets wrapped around tanks. Never seen it though, can't vouch for its effectiveness.

Why are you opposed to the water bath? Its effective, safe, fairly simple/cheap to execute and playa-proven...

Just curious, that's all.
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