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Gears

To calculate the distance between the axis of two Mod 0.8 gears, add the teeth of the two gears and then multiply by 0.4.

Here are some popular gear combinations that work well on the repeating 14mm bore holes.

Tooth Count
Spacing Gear 1 Gear 2 Ratio
24mm
(2 14mm holes)
60 100 1.67:1
80 80 1:1
48mm
(3 14mm holes)
15 150 10:1
20 100 5:1
24 96 4:1
30 90 3:1
60 60 1:1
72mm
(4 14mm Holes)
80 100 1.25:1
90 90 1:1
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