I have a 15lb nitrous tank in my trunk 24/7. It's been in there for 8 years. In the middle of summer in South Carolina in months of 100 degree days, I kept a beach towel and a small container of water in the trunk. A soaked towel draped over the top is all that is needed to keep the bottle at normal temps, but if you're really scared (or in my case, need to cool the bottle fast), a little ice water is a quick trick.
When a car is parked outside in the hot sun all day long on a 100+ degree day... I have no idea how hot it must get in the car, but my bottle stayed in usable temps, so it was no where near blowing the safety valve.
I have a 15lb nitrous tank in my trunk 24/7. It's been in there for 8 years. In the middle of summer in South Carolina in months of 100 degree days, I kept a beach towel and a small container of water in the trunk. A soaked towel draped over the top is all that is needed to keep the bottle at normal temps, but if you're really scared (or in my case, need to cool the bottle fast), a little ice water is a quick trick.
When a car is parked outside in the hot sun all day long on a 100+ degree day... I have no idea how hot it must get in the car, but my bottle stayed in usable temps, so it was no where near blowing the safety valve.
Just curious. what the hell is a Nitrous tank doing in your car 24/7? Are you doing whip-its while driving down the road?
I actually believe that the biggest danger is that a closed window car is a small enclosed space. Especially when we are talking about propane.
Gas cylinders are routinely transported here in PHX in the back of flat bed trucks. Many are stored outdoors. I venture to guess that the surface temperature on a tank in the sun exceeds 150F for hours each day, after all, it is possible to fry an egg using the sun alone here.
Some shops won't even provide service if they know you're going to transport a tank in the passenger compartment. If you get into an accident, the valve could be damaged, releasing the contents, and you could suffocate.
I venture to guess that the surface temperature on a tank in the sun exceeds 150F for hours each day, after all, it is possible to fry an egg using the sun alone here.
There are only a few months out of the year we have to worry about CO2 venting in a hot car. Up here we get cold enough to freeze a mastodon so we have different challenges. Ever get your lip stuck to a beer glass? You have to drink the entire glass to thaw it. (She asked how the glass could get cold enough to cause your lip to stick without the beer freezing, but I redirected like a pro and drained the glass.) You'd be surprised how often that happens. Even indoors! In the summer!
__________________ If you can't fix it with a hammer, you've got an electrical problem.
Back in 72 one of the five full scuba tanks vented while they were in the back of the pickup. It was the only black tank with others out of clear aluminum or light orange paint. Made a heck of a noise, one you know what it is but can do nothing about. I recall propane under cold conditions will only produce 90 psi in the heat can reach 175 psi, this on pickup running on propane with a across the bed mounted tank. You could feel the power difference between hot or cold tank not alone running almost empty.
I recall the newer style valves put on these newer 5 gallon tanks only fill to 4 to 4.2 gallons. Add this volume to your propane bill and your refill price isn't cheap anymore. Ah heck i'm still set on an all electric heated system when it ever gets built.
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