Snapguide

How to make kindling (biochar feedstock) from logs

TLUD Biochar requires feedstock to be chunky, but small. Without using powered equipment, making wood small enough can be a challenge. This process takes ~40 minutes to fill a 30 gallons barrel.

42
STEPS
TOOLS
A sawbuck lets you make fast cross-cuts.  The first step is to cut split, seasoned wood into 1' lengths.

A sawbuck lets you make fast cross-cuts. The first step is to cut split, seasoned wood into 1' lengths.

A 6" tall log section was cut and trimmed to 17" dia.  This will be the support for the wood bundle during splitting.

A 6" tall log section was cut and trimmed to 17" dia. This will be the support for the wood bundle during splitting.

A car tire is laid over the log section.  There are holes (not shown) on the bottom side of the tire for drainage of rainwater.

A car tire is laid over the log section. There are holes (not shown) on the bottom side of the tire for drainage of rainwater.

Split wood sawed into 1' long pieces is set tightly into the tire and then two bike tires are slipped around the protruding wood..  Avoid knotty pieces.

Split wood sawed into 1' long pieces is set tightly into the tire and then two bike tires are slipped around the protruding wood.. Avoid knotty pieces.

With the splitting ax (Fiskars),  split the pieces into no larger than 1" across, then lift the wood bundle up with the bike tires, flip over, and do the same to the other side.  Avoid chopping tires.

With the splitting ax (Fiskars), split the pieces into no larger than 1" across, then lift the wood bundle up with the bike tires, flip over, and do the same to the other side. Avoid chopping tires.

The bike tires make it easy to lift the bundle and lay on the sawbuck for cutting into 6" lengths, which is the maximum length that will work in a 30 gallon TLUD Biochar gasifier.

  • 1.0 Fiskars splitting ax
  • 1.0 Cross-cut saw or chainsaw
  • Split and seasoned logs
  • Sawbuck (holds wood while sawing)
  • Table
  • 1.0 Car tire (used) 17" wheel
  • 2.0 Bike tire (used) 20" O.D.
  • 1.0 Ax
  • 1.0 17" dia. log section (6" long)
  • 1.0 Chopping surface (optional)
  • 2.0 Logs - ~ 20" dia. and at least 3' long