Most people don’t know that what’s known as “Natural Gas” is actually
composed of multiple gases: Propane, butane, ethane, and methane. Propane,
a part of “raw” natural gas, is separated from the other gas components
during processing at most gas facilities.

Since propane contains more than twice the energy of natural gas (one cubic
foot of propane = 2,516 BTUs, while one cubic foot of natural gas = 1,030
BTUs), it’s much more efficient than natural gas.

It's mildly lighter than propane alone, but does dissipate faster in air.


On Oct 28, 2017 7:02 PM, "John Pennie via CnC-List" <cnc-list@cnc-list.com>
wrote:

That is a good point Jack and thanks for reminding everyone.  Very easy to
let your guard down with these little butane canisters.

John


Sent from my iPad

> On Oct 28, 2017, at 4:23 PM, Steve Thomas via CnC-List <
cnc-list@cnc-list.com> wrote:
>
> Natural gas is lighter than air, but both butane and propane are heavier.
>
> Steve Thomas
> C&C27 MKIII
>
> ---- "Matthew L. Wolford via CnC-List" <cnc-list@cnc-list.com> wrote:
> I think butane is lighter than air (unlike propane), but I could be wrong.
>
> From: jackbrennan via CnC-List
> Sent: Saturday, October 28, 2017 2:33 PM
> To: cnc-list@cnc-list.com
> Cc: jackbrennan
> Subject: Re: Stus-List Stove
>
> I hope everyone using portable stoves fueled by butane or small propane
canisters is taking the appropriate safety precautions. Both types of
stoves can cause explosions.
>
> The canisters should not be stored inside the boat unless it is an
isolated locker with a drain to the outside.
>
> I keep mine, for a rail grill, in a large pvc pipe tied to the rail with
holes in the bottom for any stray gas to drain. A couple of years ago, a
canister malfunctioned.
>
> I was really happy it was not down below. It would have filled the boat
with propane..
>
> Jack Brennan
> Former C&C 25
> Shanachie, 1974 Bristol 30
> Tierra Verde, Fl.
>
>
>
>
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