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Post by martyn on Sept 7, 2022 7:21:29 GMT -8
As autumn approaches, we have started cooking in my outdoor partyhouse using the 6” J tube, it really does work well as a hot plate!
I also made a video a couple of weeks back about lighting the little vortex stove using odd bits of wood from my workshop including MDF and plywood, the stove eats it all with no issues!
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Post by Karl L on Sept 8, 2022 5:23:24 GMT -8
That's great, Martin. I've started rebuilding my DSR2 into a 115mm Vortex, and I'm thinking about whether I'll need a secondary air supply of some kind - does your stove work without it?
(I'm currently working off Trev's specification of 30% primary air only - i.e. no secondary air).
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Post by martyn on Sept 8, 2022 6:57:45 GMT -8
Yes it works fine without secondry air, I have done some basic test just by eye and temperature, it seems that with secondary air, the the hot plate temps rise about 8-10% but the actual vortex display is not so good! For some reason the vortex become bias to one side and is generally not as defined.
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ojaf
New Member
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Post by ojaf on Jan 21, 2023 21:39:43 GMT -8
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Post by martyn on Jan 22, 2023 0:28:31 GMT -8
Wow that looks great, does it work any better than a standard J tube?
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ojaf
New Member
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Post by ojaf on Jan 22, 2023 0:46:15 GMT -8
the vortex slows the flow of gases and retains them in the riser.The temperature is higher than in a standard J, the combustion is better
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Post by martyn on Jan 22, 2023 1:39:47 GMT -8
Is that a six inch system, what is the temperature on top of the glass?
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ojaf
New Member
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Post by ojaf on Jan 22, 2023 11:53:14 GMT -8
the entry of the J is in 8', the bottom of the riser in 6' then it expands to 8' above.
my thermometer was defective that in I made the first ignitions, I could not make a measurement. (the stove is not at my house)
I will measure on the next one...
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