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BSOSCBlog.com • View topic - Pyramid Solar Dehydrator

Pyramid Solar Dehydrator

Pyramid Solar Dehydrator

Postby jpf1030 » Sun Aug 01, 2010 4:49 pm

Howdy All,
Many of you BSOSC members remember Dr. Priyadarshine Karve from India when she visited our group in May to give us great food production and gasifier stove classes, including explanation of their pyramid solar dehydrator. We asked her about their inclusion of any thoughts of the mysterious pyramid energies in their design, which she said they had not. I just received a follow-up on this from her dad, Dr. AD Karve, which is pasted below...jpf
*******************************************************************************************************************************************
Dear Jim,
we have designed a solar dryer, which looks like a pyramid. Many people have asked me if it was deliberately shaped like a pyramid to make use of the mystical powers of a pyramid. But that was not our intention. Here, where we live, the sun is directly above your head most of the time and if you had a square box-like structure, most of the sunlight would be received by the top surface. The outlet for the hot air is also at the top. So with a boxlike structure, with only the top getting heated, the hot air would leave the box through the opening at the top, without the rest of the air in the box getting heated by sunlight. By making the dryer pyramidal, we avoid shading of the sides by the top, so that even the sides of the box are exposed to the sunlight. Our solar dryer is a very popular device, being used by several hundred families and even by some industries.
Yours
A.D.Karve
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Re: Pyramid Solar Dehydrator

Postby gettingby » Sat Jan 22, 2011 6:06 am

HI, i'm new here. This sounds great. Do you guys have plans available?
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Re: Pyramid Solar Dehydrator

Postby wesurvive » Sat Jan 22, 2011 8:24 am

I don't know if this is the exact one, but this is one version of a solar dryer.

website is:
http://www.usaid.gov/stories/india/cs_in_dryer.html

Download PDF version of the solar dryer:
http://www.usaid.gov/stories/india/cs_ind_dryer.pdf

Hi-res photo of solar dryer:
http://www.usaid.gov/stories/india/cs_ind_dryer_h.html

JPF hopefully will reply as well on this. I am not sure which kind he built.
You Must Survive. So prepare for it.
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Re: Pyramid Solar Dehydrator

Postby jpf1030 » Sun Jan 23, 2011 4:33 am

Howdy,
I will be happy to give you the simple plans as follows. The slope angle on the pyramid should be as close to 52 degrees as you can measure. For generalities, this is a 15/12 pitch if you are construction handy with a framing square. The edge angle at the juncture of side is generally 11/12 pitch. All four sides of the base need to be equal length. The height to base ratio is .63661, so if your large diameter dehydrator is 100 feet on side of the base, it will need to be 63' 8 11/16" high!!! Just kidding on the size, but those are the ratios you want to stick with. The pyramid should be oriented due magnetic north (no, not true north!!!) for most pyramid energy effect in addition to the normal dehydration. After much in the way of trials in figuring out how to build correct pyramids, we finally succeeded in reducing it to this very simple system to build a "right-on" power pyramid...jpf
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