Forum Index » GEAR » Canister failure: has this happened to you?


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Hikin' Jim
(hikin_jim) - MLife

Locale: Los Angeles, CA, USA
Re: Re: Re: Re: Re: Re: thread on 04/11/2013 21:39:22 MDT Print View

Valiant effort, Lynn, to get this thread back on track.

HJ
Adventures in Stoving

Ian B.
(IDBLOOM) - MLife

Locale: PNW
Shirts on 04/11/2013 21:41:16 MDT Print View

Cuben fiber tube top.

Or.... was just a synth t shirt but I'm trying to clean up my act with sun exposure so I'm converting to long sleeved shirts.

Edit: No that's never happened to me.

Edited by IDBLOOM on 04/11/2013 21:47:49 MDT.

jerry adams
(retiredjerry) - MLife

Locale: Oregon and Washington
Re: Re: Re: Canister failure: has this happened to you? on 04/12/2013 11:15:40 MDT Print View

">What do you guys do for shirts????


Shirts? I don't need no stinking shirts.

I hike topless."


I sometimes hike topless.

Some younger lady referred to someone as the old guy that wore no shirt so now I don't know what to do, I don't want people to think of me as the old guy that wears no shirt, but it's hot and just more comfortable. Hopefully I don't gross out people too much, except maybe I don't really care a lot...

Dan Yeruski
(zelph) - MLife

Locale: www.bplite.com
Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/17/2014 21:17:16 MDT Print View

"Just don't tilt the thing, especially with a fresh canister. Shake a canister some time. Hear that sloshing sound? That's liquid inside. Yes I know it's a "gas" canister, but it's under a lot of pressure down inside that little canister, and it all squishes together and becomes liquid. "Squishes" is a scientific term that I'm sure Roger will appreciate. ;)

Seriously though, put a gas under enough pressure and it does indeed liquefy, as evidenced by the aforementioned sloshing sound. If you tilt the burner too far over, liquid might come out and instead of that little tame blue flame, you'll get 8"/12cm high yellow flames shooting out the sides. And it's in your hands."

This question goes to Roger or anyone else who has experience with a full canister laid on it's side.

Will it squirt liquid fuel?

If the stove is in use and knocked over, will it squirt burning liquid fuel?

Greg Mihalik
(greg23) - M

Locale: Colorado
Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/17/2014 21:33:28 MDT Print View

Dan,
Someone here did a "tilt test" with several canister stoves.
He let them warm up, then held them horizontal for 30 seconds or so.
Nothing blew up, spewed, of did anything to cause alarm.

Look Here, for Duane's post.

I thought there was a video, but I can't find it.

Edited by greg23 on 07/17/2014 22:08:08 MDT.

Larry De La Briandais
(Hitech) - F

Locale: SF Bay Area
Pressure on 07/18/2014 00:11:28 MDT Print View

A 50/50 propane/butane mix will be at 61 psi at 70 degrees. A 30/70 mix is only 45 psi.

Roger Caffin
(rcaffin) - BPL Staff - MLife

Locale: Wollemi & Kosciusko NPs, Europe
Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/18/2014 04:55:19 MDT Print View

Hi Dan

> This question goes to Roger or anyone else who has experience with a full canister
> laid on it's side.
> Will it squirt liquid fuel?

Yes, of course it will squirt out liquid fuel. Nothing magic there. Er ... I am assuming the valve is OPEN for this.
If you are talking about waving around a canister all by itself without a stove connected, then the answer is of course it won't.

That is how a remote canister winter stove works after all. It USES that liquid feed to avoid cooling the canister.,

Cheers

Edited by rcaffin on 07/18/2014 04:59:19 MDT.

Dan Yeruski
(zelph) - MLife

Locale: www.bplite.com
Re: Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/18/2014 06:26:32 MDT Print View

The reason for the question was due to recent concerns for stoves being used during "fire bans"

Canister stoves are allowed and others not.

Murphy's Law always comes into play ;)

A canister stove can be tipped over while in use and spray burning fuel as I learned today.

It was just a thought. IF, the law makers knew about this, they may reconsider ;(

We may want to delete my comment :-)

Bob Gross
(--B.G.--) - F

Locale: Silicon Valley
Re: Re: Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/18/2014 12:31:33 MDT Print View

"Canister stoves are allowed and others not."

Overgeneralization.

White gas stoves would be allowed also.

--B.G.--

Roger Caffin
(rcaffin) - BPL Staff - MLife

Locale: Wollemi & Kosciusko NPs, Europe
Re: Re: Re: Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/18/2014 16:10:23 MDT Print View

> White gas stoves would be allowed also.
My understanding is that in many cases they are not allowed. The hazard with them lies not in the normal running but in the fireball priming.

Cheers

Bob Gross
(--B.G.--) - F

Locale: Silicon Valley
Re: Re: Re: Re: Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/18/2014 16:21:16 MDT Print View

"My understanding is that in many cases they are not allowed."

Where is that?

I've never found any jurisdiction where white gas is prohibited.

Besides, if you are getting a fireball, you are doing it all wrong and wasting fuel as well.

--B.G.--

Roger Caffin
(rcaffin) - BPL Staff - MLife

Locale: Wollemi & Kosciusko NPs, Europe
Re: Re: Re: Re: Re: Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/18/2014 20:58:34 MDT Print View

Hi Bob

> if you are getting a fireball, you are doing it all wrong and wasting fuel as well.
Oh, I agree in principle, but have you read the official MSR instructions for lighting the XGK? They explicitely mention a fireball during priming. The actual instructions say:

1. Release only 1/2 tablespoon of fuel. Open control valve 1 turn and let fuel flow for 3 seconds. Close control valve. Look for fuel in burner cup and on priming pad.
2. Light fuel
A brief soccer ball size flame is normal.

I can understand some Park authorities not being happy with this idea during mid-summer.

Cheers

Bob Gross
(--B.G.--) - F

Locale: Silicon Valley
Re: Re: Re: Re: Re: Re: Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/18/2014 21:45:46 MDT Print View

Hmmm. Perhaps the MSR company meant that in jest, even if the lawyers wouldn't like it.

I got pretty good with my XGK back in 1996. We were on a very high expedition, so fuel usage was important. Due to cold and wind, we were all cooking in the tent vestibules. After the first two days of practice, I got to where I could release only about two drops of white gas for priming (appearing around the orifice), and then start the stove on low pressure from there.

Besides conserving the fuel, I was avoiding the fireball. All I used as a flame guard against the tent vestibule nylon was one sheet of aluminum foil.

At the end of ten or so days on the mountain, my cooking team had used one-third less fuel than any of the other teams. Of course, there we had no fire danger in the least.

--B.G.--

Roger Caffin
(rcaffin) - BPL Staff - MLife

Locale: Wollemi & Kosciusko NPs, Europe
Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/19/2014 16:42:58 MDT Print View

Hi Bob

> Besides conserving the fuel, I was avoiding the fireball.
> my cooking team had used one-third less fuel than any of the other teams.

I think this illustrates the problem very well. Yes, you were perfectly safe and knew exactly what you were doing. But what about the newbie camped near you? Fireballs-R-Us!

The Park authorities have to make the rules to cover everyone, especially the complete idiots. They cannot discriminate. For myself, I am happy that their regulations make me a (little) bit safer from the idiots.

Cheers

Bob Gross
(--B.G.--) - F

Locale: Silicon Valley
Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Re: Jetboil in the wind: Doing the Jetboil Shuffle on 07/19/2014 17:47:52 MDT Print View

Roger, in this specific instance, there were no newbies. This was Aconcagua in Argentina, and the national park rangers had few rules of any kind to enforce. I believe that there was near-100% use of white gas and no other fuel.

--B.G.--