Rotation direction
Rotation direction
Row number placement on left side rotor.
Blade hook closed side facing outwards
Blade hook closed side facing inwards
for row 1, 3, 4, 12 (for 20mm slit distance)
for row 6, 7, 9, 10 (for 20mm slit distance)
for row 1, 3, 4, 6, 7, 9, 10, 12 (for 40mm slit distance)
Wind vanes placed on row 2, 5, 8, 11
Fig.15
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