| BUY IN BULK! |
Quantity: 4-99999 |
Price Each: $39.95 |
SAVE MONEY! |
Use the Gears to Count Movement with Sensors!
Evenly spaced holes near the edge, which can be used with a slotted
optocoupler to measure velocity, acceleration or distance of the
gear or vehicle. Holes can also be used to attach the gear to
a wheel, pulley or other objects.
Gear A has a 9/16" diameter with 13 teeth, Gear B has a 3/4" diameter
with 18 teeth, Gear C has a 1-9/16" diameter with 38 teeth and
Gear D has a 2-11/32" diameter with 58 teeth. Set includes four
center hole inserts to 1/8" and one insert to 2mm. Use soft iron rod for welding, axles, structures and student designs. Cut to size required. 1/8" diameter x 36" long. 80/pkg.
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