Stove Testing

Give results of stoves tested. At least three test burns made in succession using 1/2 ounce of denatured alcohol and 2 cups of water. Give any and all additional conditions that exist during testing.

Stoves bought retail and Do-It-Yourself stoves. Everyone is welcome to post their results and post comments.
sudden
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Re: Stove Testing

Postby sudden » Thu Jun 03, 2010 1:50 pm

Very nice chart.

Can you plot another showing total weight (stove, windscreen, etc) vs. trend line?

I'd also like to know the percentage gains/losses? of the fastest boiler vs. the most efficient fuel user. (off to find my calculator).
"People are not persuaded by what we say, but rather by what they understand."

sudden
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Re: Stove Testing

Postby sudden » Thu Jun 03, 2010 2:07 pm

OK, if I did this correctly, there is a 50% gain in boil time vs. only a 25% increase in fuel usage from the fastest boiler to the most efficient user.
"People are not persuaded by what we say, but rather by what they understand."

sudden
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Re: Stove Testing

Postby sudden » Thu Jun 03, 2010 2:07 pm

I probably should have said boil speed
"People are not persuaded by what we say, but rather by what they understand."

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zelph
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Re: Stove Testing

Postby zelph » Thu Jun 03, 2010 2:44 pm

Nicely done!

Slower to boil on the bench means greater amount of fuel needed in the field and a greater amount of windscreen protection and insulation from cold ground in the case of the Ion and any other stoves that have statistics similar to it.
"Nothing Ventured Nothing Gained" stove store = http://www.woodgaz-stove.com/

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zelph
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Re: Stove Testing

Postby zelph » Fri Jun 04, 2010 12:00 am

I have been staring at this graph for several hours and here is my takeaway


I thought I had too much time on my hands, you got me beat by a mile or two. :mrgreen:

You got to read this thread submitted by tony. He really knows his stuff. Stove "Geek" representing the "Land Down Under" Australia


viewtopic.php?f=19&t=681&p=4706&hilit=volcano+stove#p4706
"Nothing Ventured Nothing Gained" stove store = http://www.woodgaz-stove.com/

Q_x
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Re: Stove Testing

Postby Q_x » Fri Jun 04, 2010 3:32 am

:happymeal:
Last edited by Q_x on Tue Aug 31, 2010 8:19 am, edited 1 time in total.
Delete this account, please

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zelph
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Re: Stove Testing

Postby zelph » Fri Jun 04, 2010 10:32 am

Q_x wrote:This chart is really valuable stuff!!!
If you have extra half an hour, could you (please, please) also measure the ordinary tealight stove, no WS, in your experimental setup, as a "common reference point", so that we can calibrate your results to our individual setups?


I think that would be a big help. It would be the smallest stove used by some hikers.

Be sure to read this thread by "tony":

viewtopic.php?f=19&t=681&p=4706&hilit=volcano+stove#p4706
"Nothing Ventured Nothing Gained" stove store = http://www.woodgaz-stove.com/

Q_x
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Re: Stove Testing

Postby Q_x » Fri Jun 04, 2010 2:41 pm

:cheers:
Last edited by Q_x on Tue Aug 31, 2010 8:18 am, edited 1 time in total.
Delete this account, please

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zelph
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Re: Stove Testing

Postby zelph » Fri Jun 04, 2010 3:52 pm

Q_x wrote:2 inches? Everybody is ok with this?


Not for me. I suggest 1" from rim of burner to pot.
"Nothing Ventured Nothing Gained" stove store = http://www.woodgaz-stove.com/

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zelph
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Re: Stove Testing

Postby zelph » Fri Jun 04, 2010 10:44 pm

I did 2 burns this morning. The ground to stove distance was 2" as this is what Jason Klass used in his Klasslight design. The tealight is 5/8" high so the stove to pot distance was 1 3/8".

15 ml boiled 2 cups of 70F in 9:30 with a FO @ 12:00
14 ml boiled 2 cups of 70F ibn 10:10 with a FO @ 11:20

OK, a single run was collected @ 1" stove rim to pot:

14 ml boiled 2 cups of 70 F in 10:20 with FO @ 11:10. This seems reasonable the height difference between this data and the original run was only 3/8".


I combined both tests with high lite in red.

So it seems the pot support can be lowered to 1" and all will be well. More compact and a fraction of a gram less. :mrgreen:

1" is what the pot support is on the StarLyte which has a 2" dia. burner.

Thank you for adding the 1" support to your figures :D
"Nothing Ventured Nothing Gained" stove store = http://www.woodgaz-stove.com/


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