[pct-l] Cooking with canned gas

[Ed Jarrett]

The cannisters I use do not have butane.  They are a mix of propane and isobutane, which has a much lower threshold than butane.

Ed Jarrett (Eeyore)A Clay Jar: http://aclayjar.blogspot.com/  Twitter: https://twitter.com/EdJarrett53 Facebook: https://www.facebook.com/ed.jarrett.71 

> From: welchenergy at gmail.com
> To: pct-l at backcountry.net
> Date: Wed, 26 Mar 2014 10:25:30 -0400
> Subject: Re: [pct-l] Cooking with canned gas
> 
> My experience with doing 2 cup boils (on average):
> Pocket rocket type stove with a wind screen:  6-7 L per 110g canister (12-14
> boils)
> JetBoil:-10-11 L per 110 g canister	(20-22 boils)
> 
> One important point - To get the most from your canisters, keep your fuel
> warm (in your sleeping bag or jacket pocket) any time you are going to use
> it below about 40F.  If you don't, it may start but it will selectively burn
> all the propane in the mix (because propane has a lower vaporization temp)
> and when you need the propane on a cold morning it will already be used up
> and the canister won't start - even though you can hear fuel sloshing in the
> can.  It won't start because only  butane will be left in the tank and
> butane won't vaporize under 32F (someone can look up the exact temp , but
> that is close.)  So if you treat your canister right when it is cool outside
> (under 40F), it will treat you right when it is cold outside (down to about
> 10F). 
> 
> Have a great hike!
> Timberline
> 
> -----Original Message-----
> From: pct-l-bounces at backcountry.net [mailto:pct-l-bounces at backcountry.net]
> On Behalf Of tsparks56 at aol.com
> Sent: Tuesday, March 25, 2014 9:13 PM
> To: pct-l at backcountry.net
> Subject: [pct-l] Cooking with canned gas
> 
> If you could give a rough idea of how long each of these canisters will last
> from your experience, taking 2 cups of 40* water on average,  to the boiling
> point, it would be very helpful to me and I'm sure to others as well.
> 
> 
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