Wood Gasifier Builder--39-s Bible- Transform Tree Branches Into -

“I felt like a caveman,” he says. “Digging a hole to bury gold.”

A gasoline engine expects vaporized liquid fuel. Wood gas is dry and has a different air-to-fuel ratio (about 1.2:1 by volume, compared to gasoline’s 14.7:1). “I felt like a caveman,” he says

When the next ice storm takes down power lines for a week, your generator runs on the branches that fell with the lines. When diesel hits $7 a gallon, your tractor doesn’t care. When the supply chain stutters, you look at the woodlot and see a full tank. When the next ice storm takes down power

John McGrath, a homesteader in the Appalachian foothills, had spent three days clearing storm-damaged oak from his back forty. The trunk went to the sawmill. The branches—tons of them—went into a smoldering, smoky burn pile. That night, watching the news report on diesel prices hitting $5.50 a gallon, he did the math. He was literally burning energy to get rid of energy. John McGrath, a homesteader in the Appalachian foothills,

Your job as a builder is to maintain that zone. Too wide, and you lose heat. Too narrow, and you choke airflow. The “Bible” method: Start with a 4-inch throat for a 10 kW generator. Taper it by welding a stainless steel cone. It’s crude, but it works. Raw wood gas carries tar and ash. Tar will gum valves and rings in under ten hours. Ash will score cylinder walls.

From the branch, a flame you cannot see. From that flame, the power to move mountains of stone. And from that power, freedom from the pump.

It started with a clogged carburetor and a pile of slash.