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Re: [GMCnet] My 1976 Palm Beach Project [message #298875 is a reply to message #298825] Mon, 11 April 2016 13:54 Go to previous messageGo to previous message
Justin Brady is currently offline  Justin Brady   United States
Messages: 769
Registered: April 2015
Location: Bell Buckle, TN
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Senior Member
I've been doing a little more research on the propane and batteries in the same compartment.
From what I can tell there is no evidence that it's a problem other than the plethora of people on the internet saying "that's a bad idea" (of which there are many, but no one with any evidence or any real science)
Propane is almost double the molar mass of air, and any leak will flow downward and out of the compartment. Batteries being overcharged will produce flammable hydrogen gas, but propane is a saturated hydrocarbon and will not react with hydrogen in any meaningful way. The hydrogen itself is much more of a concern than the propane (2.1 to 10.1% concentration of propane in air required for combustion) 4% to 75% for Hydrogen.

I believe you're more likely to accidentally ignite your gas tanks with a spark at the pump than you are to have an issue here. I'd say there's a slight risk increase from the fact that there are now (potentially) 2 sources of fuel in the compartment, but the likelihood of either of them being an issue is slim at best.

I do however think it is important to heed the wisdom of others, so I will likely build a wall that will seal against the propane door with weatherstripping when closed. This will create separate compartments for the batteries and propane. It's probably a 30 minute job and won't hurt anything. Stay tuned for photos.


Justin Brady http://www.thegmcrv.com/ 1976 Palm Beach 455
 
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