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UL remote canister stove
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Stuart R
(Scunnered) - F

Locale: Scotland
UL remote canister stove on 02/04/2012 07:32:47 MST Print View

I've had a few attempts at making a lightweight inverted canister stove now, each one evolving and improving as I learn from the deficiencies of the previous ones.
Warning: it's addictive! Here is my latest:

MYOG remote canister stove

Total weight = 96g (3.4oz).

No lathe was harmed in the making of this stove. Instead, I made this using my pick'n'mix method: the burner and jet came from a Gnat, a cheap chinese stove was butchered to make the canister connector and the needle valve is a spare part for a R/C model nitro engine. The remaining parts were hand made from scratch.

The legs simply unscrew for packing.

MYOG remote stove packed

Diplomatic Mike
(MikefaeDundee)

Locale: Under a bush in Scotland
Good job on 02/04/2012 07:40:14 MST Print View

Very nice, Stuart. How about simply drilling 3 angled holes and using Ti stakes as legs?

Stuart R
(Scunnered) - F

Locale: Scotland
Re: Good job on 02/04/2012 08:30:53 MST Print View

Mike - I did consider 3mm Ti wire for legs but thin Ti is quite 'springy', whereas the 6mm Al tube that I used is much stiffer, not much heavier and gives a much more stable base.

Diplomatic Mike
(MikefaeDundee)

Locale: Under a bush in Scotland
UL remote stove on 02/04/2012 08:39:31 MST Print View

Fair points, Stuart.
Being a CNC machinist, i really should try and make a stove myself. It just seems like more work when you are doing it full time.;)
What did you use for the pre-heat tube?

Stuart R
(Scunnered) - F

Locale: Scotland
Re: UL remote stove on 02/04/2012 09:07:17 MST Print View

I'm a software engineer, so I like to make physical things for a change.
The vapouriser tube is stainless 'hypodermic' tubing 2.34mm OD bent to shape.

Curt Peterson
(curtpeterson) - M

Locale: Pacific Northwest
UL remote canister stove on 02/04/2012 10:19:17 MST Print View

Very nice! I love that Gnat - pretty versatile little guy. I am experimenting with using it in a Jetboil system and it's interesting.

As I'm sure your tinkering will move on to another design soon, I'm happy to give you my address so you can send that one my way. No need to mail off the Gnat, just the base setup and fuel line will do :)

Tony Beasley
(tbeasley) - MLife

Locale: Pigeon House Mt from the Castle
Re: UL remote canister stove on 02/04/2012 11:38:02 MST Print View

Hi Stuart,

Very nice designing and machining, keep them coming.

Tony

Roger Caffin
(rcaffin) - BPL Staff - MLife

Locale: Wollemi & Kosciusko NPs, Europe
Re: UL remote canister stove on 02/04/2012 13:50:48 MST Print View

Hi Stuart

Very neat!
How do you get the fuel line to seal to the aluminium block? Flared tube?
Needle valves with wire handles? Where? Or did you make the handle?

Cheers

Stuart R
(Scunnered) - F

Locale: Scotland
Re: Re: UL remote canister stove on 02/04/2012 15:04:59 MST Print View

Tony - no machining here, all hand made.

Roger - the vaporiser tube is brazed into a M5 screw which is then screwed into the base. The 'up' and 'down' parts of the vaporiser tube are also brazed together near the bottom for strength.
I used a needle valve from a small nitro engine and drilled a couple of offset holes into the end and then just inserted the wire handle from another stove.

Paul McLaughlin
(paul) - MLife
Re: UL remote canister stove on 02/05/2012 15:08:54 MST Print View

Suart - nice work. It's a stove like this that makes me think the stove manufacturers are not really interested in the lightweight remote stove category. For them, something like this would be dead easy - they could do most of it with parts they already have on the shelf. The fact that none of them does it suggest that they do not consider it worth their while.

Keith Bassett
(keith_bassett)

Locale: Pacific NW
Fuel line on 02/06/2012 15:26:01 MST Print View

What size fuel line did you use? I have a super cheap chinese stove that has known fuel line issues, and want to replace the hose and cut down the base before the line spalls and ruins the burner.

This is precisely the outcome that I am hoping to achieve, light and clean. Nice job!

Stuart R
(Scunnered) - F

Locale: Scotland
Re: Fuel line on 02/06/2012 15:43:32 MST Print View

Keith - I used 2mm ID PFA tubing. You can get PFA or PTFE tubing in various sizes - it is by far the best for chemical inertness and heat resistance but larger diameters will be inconveniently stiff for a lightweight stove.

Keith Bassett
(keith_bassett)

Locale: Pacific NW
Re: Re: Fuel line on 02/06/2012 17:11:02 MST Print View

Thanks Stuart,

Edit: I looked about online but could only find inconveniently long pieces, starting at more than the cost of a new stove.

I love tinkering, but can't justify that much of an investment.

Did you find a seller who deals in short lengths?

Keith

Edited by keith_bassett on 02/06/2012 17:59:20 MST.

Paul McLaughlin
(paul) - MLife
Re: Re: Re: Fuel line on 02/06/2012 23:27:07 MST Print View

mcmaster/carr will cut to length

http://www.mcmaster.com/#standard-plastic-and-rubber-tubing/=g526na

Keith Bassett
(keith_bassett)

Locale: Pacific NW
Re: Re: Re: Re: Fuel line on 02/07/2012 09:49:27 MST Print View

Bless you sir.

I found the tubing at Grainger, etc. but they only wanted to sell me multiple meters. A bit more than I need. :)