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Step 7The Tuyere
That's our English word for the pipe that blows air into a forge. Some call it a "tweer".
Theirs is made exactly as it appears, there are no valves. The iron rod in the middle is only there to set the spacing between the two nozzles that blow air from the pistons.
The nozzles blow air at a hole in the side of a slab of tile or stone that stands vertically.
The side blast probably reduces the problems with clinkers clogging the tweer. That's a chronic problem with American forges, which blow air from below.
Andreas lit some wood shavings and piled charcoal on them. Elisabet worked the pistons and after a few strokes the forge was roaring.
Theirs is made exactly as it appears, there are no valves. The iron rod in the middle is only there to set the spacing between the two nozzles that blow air from the pistons.
The nozzles blow air at a hole in the side of a slab of tile or stone that stands vertically.
The side blast probably reduces the problems with clinkers clogging the tweer. That's a chronic problem with American forges, which blow air from below.
Andreas lit some wood shavings and piled charcoal on them. Elisabet worked the pistons and after a few strokes the forge was roaring.
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