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Cob,heated floor, rocket kiln, fired clay tiles..

Posts: 3201
Location: Cincinnati, Ohio,Price Hill 45205
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This video shows a number of natural building techniques. The kiln is particularly impressive, the ondel floor shows how simply this could be done.
Some of the viewer comments on the videos are incedibly racist, but this is not reflective of the video, which has no narration whatsoever. He makes clear that he does not live in these circumstances, rather this his hobby.

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Location: Northern New York Zone4-5 the OUTER 'RONDACs percip 36''
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William Bronson : I could lose my sight trying to parse the now several Videos posted by Primative tech -

A few things I noted that could easily be missed by the lack of a sound tract !

U-Tube poster states freely and openly w/o ostentation, he lives in a house this is a hobby (and good training)

Modified chopping technique- finishing by breaking trees

0:30 molds a fire defuser /collector - next time we see it after trench for "Burn Tunnel is made, it appears to be fired

GROG @ 2:30 Crushing (Stone-slate,shale, shell) to add 'Grog' to stabilize and reduce expansion.contraction of Clay/ Cob Mix !

2:12-ish making roof tile mold

Heat Riser mold around heat defuser / collector located at Heat Riser base !

2:35 ? More grog base ?

3:00 Roof tile prep ash on 'table' lawyer cane to make mold, clay patted into mold, flipped,smoothed interlocking '' hook ''

formed ash coating

removed from form

good view of '' hooks'' for locking onto purloins being made underside of Roofing tile forms

Roof tile dried to Slip waiting to be fired !

4:20 loaded into Throat of heat riser/kiln ; sealed in and fired

Multiple firings some broken tiles used to reduce Mouth of Heat riser/Kiln

? 6:40-ish making cob with 'locally harvested Grog "

More Grog (stone ) in final mix ?

More tile made- table, wood ash, Cob, wood ash, turned out of mold

7:20 note ringing gritty sound as one tile slides over another tile

7 :40 Shaping roofing peak tile from roofing tile

7:50 drying Roofing peak tile

8:00 installing '' '' ''

8:10 gritty sound !

Side walls Cob on stone foundation/ no ruble trench/ raised compacted floor

Note different gritty sound as Cob /stone mix is raised on stone foundation !

This is presumably from the higher aggregate content !
Rocket Mass Heater podcast gob
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