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 !
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