preparing rocket stove base
Fire brick for fuel boot
Setting roof of fuel feed chamber
Steel frame drum support
Hollow concrete block around combustion chamber minimizes heat loss
Circular steps support combustion chamber
Finishing the crucible with lava rock and thermo-mortar
Slitting the drum
Walk and Roll: Baby steps is the trick to opening drum to new circumference
Just so.
cutting an in-fill strip
assembling the larger cylinder
Hold-down bolt for lid
Kiln lid with hole for gas pipe and central exhaust. Remove sliver wedge and weld edges.
Stove base
heat shield
gang-cutting wood scrap to length of drum
loaded drum mounted on steel base
first cylinder with lid
second cylinder with lid
inserting the gas pipe
elbowing downward
seal connections with non-hardening pipe dope
Diverter "T" with valves
Ready to fire
fuel above, air below (gas injector rotated out of way)
Steam from distillation exits vinegar pipe
catching wood vinegar (will be fitted with elbow and nipple inserted into water trap)
Ramping up temperature, improvised door over fuel feed chamber
Too much! Throttled back...
Over-temperature condition, diverting excess pyrolysis gases out vinegar condenser pipe
Burnin'! Direct injection of pyrolysis gases into air intake