SPN 03: Panel left installation
Installing the panel left
To install the panel left on the base, I decided once again to try something new in order to gain further experience, and extend the knowledge we all have to work with.
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SPN 02: Panel right installation
SPN 02: Panel right, installation
Once built, installing the panel right on the base is relatively quick. I am still experimenting with several aspects of this process, but overall it appears satisfactory to me. (To see the steps outlined below in a speeded-up video format, look at the bottom of this page...)
SPN 03: Making the panel left
SPN 03: Making the panel left
Of the four side panels that are part of [The_Cube], the panels right and left largely mirror each other, and the same is true of the panels front and back. Besides making things a bit simpler, there are two basic reasons why this is the case.
SPN 02: Making the panel right
Making the panel right
As you know, polypanel digesters are made of a sandwich: polysty is the meat in the middle: it insulates the contents of the digester. The 'bread' on the outside of the sandwich is inexpensive wood on either side to enable the polysty to resist the force of water pressure. The boards that end up outside the digester have screws that pass through the polysty and find ‘purchase’ in the inside wood, tying the polypanel sandwich strongly together.
Techniques 01: Patching polysty after an oops
Patching polysty
Well, there’s no hiding from it: I screwed up. (I’m dyslexic regarding ‘right’ and ‘left’, just by the way. That’a pretty good excuse, don’t you think?)
SPN 01: Making the Base
Manufacturing the parts, and building the base for [The_Cube]
Perhaps you know already: [The_Cube] holds 1.3 m3 of slurry, which has about the same density of water. (“1.3 m3” is a bit more than 340 gallons, or 46 ft3. The total volume of [The_Cube] is greater than any of those numbers because some of the space is devoted to the big bubble of biogas in the top 6 inches of the digester.)
SPN 09: Excel tells me about heat loss in pipes
If we want to actually solve problems, we’ve got to use science and math, yeah?
Techniques 03: Hermetic bungholes in polypanel digesters
My gift to you, world. Take it and make marvelous, insulated, any-size, liquid-containing thingies, including, like, digesters.
Click here for the PDF. Hey, it’s yours!
SPN 09: The evolving heat exchange (HEx) unit design!
The saga of [The_Cube]
[All images are ‘clickable’]
I have decided to begin blogging about the development of[The_Cube](one of the first— in fact, the world’sonly— kittable, shippable,insulated,heatable, small biogas digesters), as one of the things I will be
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