About nine years ago, my wife and I built a Navahorno from the plans featured in Home Power #37 (1993). The article is linked here: http://www11.zetatalk.com/docs/Solar/Cooking/Solar_Cookers_2004.pdf <http://www11.zetatalk.com/docs/Solar/Cooking/Solar_Cookers_2004.pdf>
The materials should be readily available to your friend in Guatemala. It was fun to build and served us well until we could afford to buy a Global Sun Oven, which gets much hotter. My recollection is that our Navahorno never achieved a temperature above about 300F, but the article claims a high temp of 330F. I'm sure results vary for each individual oven, and of course, climatic conditions. Cheers, Mark ---- *Mark Westbrock* Branch Manager & Employee-Owner NM EE98J Journeyman Electrician NABCEP Certified PV Installation Professional NABCEP Certified PV Technical Sales Positive Energy, Inc. 510 S. Main St. Las Cruces, NM 88001 office: 575-524-2030 cell: 575-640-2432 [email protected] <[email protected]> www.positiveenergysolar.com On Thu, Mar 12, 2015 at 4:04 AM, Bill Loesch <[email protected]> wrote: > > Hi Allan, > > You might remember Sharkey, one of the original, perhaps founding > RE-wrenches, who has craftsman skills that would easily qualify at an > artist level. He built his own solar thermal panel and in the end > acknowledged that (even with his outstanding skills) would have been wiser > to buy (rather than build) the finished product. > > The last time I looked, at least one of the solar cooker manufacturers > built their model to be collapsible into a much smaller package than the > "traditional bread box" which certainly would aid in storage and shipping. > An actual sample is IMHO so very superior to any plans/drawings in as much > as it allows the new user to maximize their creative skills to reverse > engineer their local knockoff AND compare their results with what is > available from an existing commercial product. One of the details that I > remember from some 15 years ago was the gasketing on the commercially > manufactured unit that kept the heat in the box quite well. > > In the 13th edition of the Solar Living Sourcebook, copyright 2008, the > author mentions "The non-profit Solar Cookers International group provides > cookers and simple cardboard and aluminum foil construction plans to > developing countries." A Google search yielded the result below. > > solarcookers.org > > Good luck, > > Bill Loesch > Solar 1 - Saint Louis Solar314 631 1094 > > On 12-Mar-15 1:54 AM, Allan Sindelar wrote: > > Wrenches, > Our closest rural neighbor spends part of each year in Guatemala. She > emailed me a request: > > I have a friend who can help me construct a solar oven or cooker if we can > find good plans. Illustrations are the most important. I have access to > pine lumber, glass, but nothing too technologically advanced. > I also want to buy panels when I get back to NM to install on my home > here. I have an electrician friend with experience here. > Any help is greatly appreciated > > This is a bit off of our usual topics, but still consistent with RE. Can > anyone send a good web link or other resource that meets this request? I > will forward it on. > Thanks, Allan > -- > > *Allan Sindelar* > [email protected] > NABCEP Certified PV Installation Professional > NABCEP Certified Technical Sales Professional > New Mexico EE98J Journeyman Electrician > Founder (Retired), Positive Energy, Inc. > *505 780-2738 <505%20780-2738> cell* > > > > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & > settings:http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette:www.re-wrenches.org/etiquette.htm > > Check out or update participant bios:www.members.re-wrenches.org > > > > > No virus found in this message. > Checked by AVG - www.avg.com > Version: 2015.0.5646 / Virus Database: 4306/9282 - Release Date: 03/12/15 > > _______________________________________________ > List sponsored by Redwood Alliance > > List Address: [email protected] > > Change listserver email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://www.mail-archive.com/[email protected]/maillist.html > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out or update participant bios: > www.members.re-wrenches.org > > >
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