On 30/09/2014 15:22, Tim Watts wrote:
....
Without a regulator, it will come out like billy-o.

The cylinder will get damn cold too whilst it's loosing gas - enough to
burn.

And of course under no circumstances do this in a confined space or in a
hole or depression in the ground of any sort (CO2 being heavier than
air, it will pool)...

I recall having a 30kg CO2 extinguisher demonstrated to a group of us in
a Fire Station. With the doors closed, it filled the three (empty)
engine bays with fog to knee height.


--
Colin Bignell