Filling Gas Bottles from Car LPG

Just don't fill portable bottle to the top only put about 15 ltrs in it

BBQ gas bottles are decanted from one cylinder to the other by the pressure differential between the cylinders, with the filling cylinder at a specific pressure which allows the bbq bottle to be filled to a safe pressure.

If the car tank is at a much higher pressure it may mean that the bbq bottle may be filled to an unsafe level.

Geez.. i really should steer clear of these threads.. How ever..........


Bottle LPG, like all forms of LPG, is not always 100% propane but for the sake of the argument we will say it is.
The manufacture of bottled LPG is very well aware of it's intended use and understand that a jet in a BBQ, a Fridge, Regulator or any other appliance has a much finer tolerance than any form of converter used to power an internal combustion engine and there fore it NEEDS to be a cleaner gas. Vehicle LPG is not more refined.
Just like anything else we buy, the "premium" stuff has a higher price. Why? because it cost more to get it to it's end point of sale and it's cost more to advertise and administer.
If you are happy to fiddle around cleaning jets and crap frequently then you'll enjoy the lower price you can pay for vehicle designated LPG.
Anyone who has had automotive LPG for some time will be aware of the inconsistent mixes of fuel and build up of waxy residue you get in the system.

Happy Cooking,

Dan

Thanks all

Our discussions were indeed very heated too

I know some people are wanting to aquire a forklift bottle and get it re fueled

Our friend let the chap fill his bottles from his car and the jets in the water heater clogged up and the boys removed little bits of black stuff


Will see if I am cleaver enough to find the other posts

Di

Bushranger1
Using autogas like that is a bit like speeding,you can get away with it until you get caught,in the case of speeding you get fined or have a prang and at worst get killed or kill someone else. Auto LPG is for vehicle use as explained in one of the above posts. LPG Propane is often described as the Gennie in the bottle used the right way it will serve you well, break the rules and you can get badly burned .
Your mate is very brave or unaware of the risk he is taking as cylinders lying down they dont leak gas they leak liquid which expands 270 times to form a flamible gas. If that happens and he applies the brakes kboom.
After 40years in the business I have seen it happen many times.
If you want to know all about LP Gas go to the ALPGA (australian LP gas Association) webb site.

TDD
I can see your point here & I am sure you know a lot more about the science behind it than I do. Having driven an Egas car for 12 yrs it really frustrates me seeing the price difference per litre to fill my car vs a 9kg gas bottle!

A reverse sitution to my original post just came to mind & I am not trying to be smart here but would appreciate your comments.

Our forklift at work operates on LPG & because it only gets used about every 2 weeks we just use the 9kg BBQ bottles to run it. It runs perfectly on this gas & has so for years, so you can see this is the reverse situation to my first post. Is a forklift tuned to run on BBQ gas or Autogas?

Bushranger1
The calorific value ( energy) of Autogas and Propane are almost the same,Butane is just a bit better but has to be put through a heater on the car to vapourise it where as Propane will continue to boil (vapourise ) down to -44degrees C but Butane connected to a gas appliance will run till it ices up then go out. If there is no flame failure on the appliance then it will when it warms up again fill the room with gas.
If you look on the site I suggested there was over 70 serious incidents with LPG last year and some fatal.

TTD

TDD
Thanks for the explanation.
Now I understand why my cheap camp stove with disposable canisters always ices up & goes out except on hot days but my standard LPG BBQ still works in cold weather. I always thought it was the fact that the 9KG bottle had more volume to it.
I can now understand your concern running appliances on Autogas that are not designed to do so. Also explains why the forklift runs ok in the reverse situation. Maybe next time I see my fiend I can educate him on the reason not to do this. I guess your never too old to learn.
The price difference still annoys me but thats a separate issue!