On Fri, Jun 20, 2008 at 11:10 AM, Mikey Sklar
<sklarm-yahoo@screwdecaf.cx> wrote:
> I like the look of the Nubian Vaults. Although I am not using blocks
> because I find it back breaking to pour, dry, flip, dry, move, store,
> move, lift, and place each PC block.
I can understand that. Most of the noise I hear about PC blocks is how
lightweight they are. It took a lot of digging around the internet but
I finally found the dimensions for earth bricks for Nubian Vaults:
26mm x 16mm x 5mm (about 10in x 6in x 2in rounded off.) I estimate
10,368 bricks to make a vault the size of my hoop house, assuming a
Nubian vault can span 20 feet wide... I haven't found specs on the
maximum width of a Nubian vault...
> The 75 square foot battery room I finished in earlier this year might
> be a good size for your rabbits. It was made from a 10' diameter
> hemispherical dome. The nubian vaults and hemisphericals look quite
> similar to me.
A 10 foot dome would be way too small, Ten of those would fit inside
my hoophouse alone. ;o)
Not being familiar with a hemispherical dome, I did a quick search and
found this page:
http://www.earth-auroville.com/index.php?nav=menu&pg=training&id1=10
and based on the information there I would have to say that a
hemispherical dome and a Nubian Vault are two entirely different
beasts. With the hemispherical domes illustrated on that page, the
courses of bricks are all laid on the horizontal. With a Nubian vault,
the bircks are laid at a 70 degree angle to the horizontal, resulting
in an arch that requires no bracing during construction (wild!).
> The weather has been particularly hot in southern New Mexico for
> June. Black outs have started to occur for grid customers due to
> overuse of air conditions. Each day I am amazed to see how
> comfortable my little battery room is with a single passive air
> intake vent in the door and release vent in the ceiling. Typically
> the battery room is staying about 20deg cooler than the outside temp
> and maybe 10 deg or so warmer than the outdoor temp at night when
> things cool down. It does not store heat well because of the giant
> hole in the ceiling.
>
That temp differential is what I'm hoping to achieve for my rabbits as well.
Keith.
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