Hi Lanny, We tested a couple of pots with fins but the space between the fins clogged up quickly with soot, a good insulator.
Best, Dean On Sun, Jul 28, 2013 at 5:21 AM, Lanny Henson <[email protected]> wrote: > > Lanny have you seen capacitive discharge stud welding? >> > > Yes I have a stud welder but I did not realize it would weld dissimilar > metals especially aluminum to anything else. > > Stud welding is very finicky and will leave a blemish on the opposite side > of thin metal. > > When a stud weld fails you have to grind the surface to clean it up before > rewelding.. How are you going to do that if it is between the other studs? > > Attaching studs, fins or anything to a pot is going to be problematic, but > attaching something to the pot holder may be practical. The heat transfer > may not be as good as having something attached to the pot but it could > possibly improve the heat transfer. > > Lanny Henson > > ----- Original Message ----- From: <[email protected]> > To: "Discussion of biomass cooking stoves" <[email protected].** > org <[email protected]>> > Sent: Sunday, July 28, 2013 5:23 AM > Subject: Re: [Stoves] Cajun Rocket Pot > > > [Default] On Sat, 27 Jul 2013 20:48:02 -0400,"Lanny Henson" >> <[email protected]> wrote: >> >> I like creative people and take no pleasure criticizing their work but >>> it is going to be too expensive and difficult to make with all the pegs. >>> >> >> Lanny have you seen capacitive discharge stud welding? This would >> allow welding of dissimilar metals to the pot in any pattern. I have >> no idea of costs. >> >> Have you done heat transfer tests with your 4mm aluminium pot compared >> with the thinner stainless one? Stainless is a notoriously poor >> conductor of heat and theoretically would need to be just under a >> tenth of the thickness of aluminium for the same conductivity, but I >> do use stainless pots at home. >> >> Finally can you explain the difference between a vat and a pot? >> >> Paul I do consider this to be important because biomass stoves have an >> inherent problem with heat transfer compared with natural gas or LPG >> so improvements in heat exchange will have high benefits. >> >> AJH >> > > > > ______________________________**_________________ > Stoves mailing list > > to Send a Message to the list, use the email address > [email protected].**org <[email protected]> > > to UNSUBSCRIBE or Change your List Settings use the web page > http://lists.bioenergylists.**org/mailman/listinfo/stoves_** > lists.bioenergylists.org<http://lists.bioenergylists.org/mailman/listinfo/stoves_lists.bioenergylists.org> > > for more Biomass Cooking Stoves, News and Information see our web site: > http://stoves.bioenergylists.**org/ <http://stoves.bioenergylists.org/> > >
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