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Re: Stove Testing

Posted: Thu Jun 03, 2010 1:50 pm
by sudden
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).

Re: Stove Testing

Posted: Thu Jun 03, 2010 2:07 pm
by sudden
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.

Re: Stove Testing

Posted: Thu Jun 03, 2010 2:07 pm
by sudden
I probably should have said boil speed

Re: Stove Testing

Posted: Thu Jun 03, 2010 2:44 pm
by zelph
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.

Re: Stove Testing

Posted: Fri Jun 04, 2010 12:00 am
by zelph
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

Re: Stove Testing

Posted: Fri Jun 04, 2010 3:32 am
by Q_x
:happymeal:

Re: Stove Testing

Posted: Fri Jun 04, 2010 10:32 am
by zelph
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

Re: Stove Testing

Posted: Fri Jun 04, 2010 2:41 pm
by Q_x
:cheers:

Re: Stove Testing

Posted: Fri Jun 04, 2010 3:52 pm
by zelph
Q_x wrote:2 inches? Everybody is ok with this?


Not for me. I suggest 1" from rim of burner to pot.

Re: Stove Testing

Posted: Fri Jun 04, 2010 10:44 pm
by zelph
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