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Mechanisms > Gears





Gear; Crown and worm Pk/10  (TS0094)

Gear; Crown and worm Pk/10 (TS0094)

Crown gear and matching worm gear ratio 42:1





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Gear: worm gear. set/10  (TS0211)

Gear: worm gear. set/10 (TS0211)

Plastic worm gear, with a plastic bush to allow fitting to a motor. Provides a way of reducing motor speed when using gears.





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Gear 8 tooth x 10.5 mm diameter Pk/50  (TS0469)

Gear 8 tooth x 10.5 mm diameter Pk/50 (TS0469)

Flat plastic gear 8 tooth x 10.00 mm diameter.

Look at the following web site to see examples of young students activities using gears.

http://www.tki.org.nz/r/assessment/exemplars/sci/physical/pw_3a_e.php

 





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Gear 12 tooth x 13.75 mm diameter Pk/50  (TS0470)

Gear 12 tooth x 13.75 mm diameter Pk/50 (TS0470)

Flat plastic gear 12 tooth x 13.75 mm diameter.

This gear has a 2mm centre hole and fits directly onto a 2mm shaft.

Look at the following web site to see examples of young students activities using gears.http://www.tki.org.nz/r/assessment/exemplars/sci/physical/pw_3a_e.php





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Gear 18 tooth x 19.75 mm diameter. Pk/20  (TS0472)

Gear 18 tooth x 19.75 mm diameter. Pk/20 (TS0472)

Flat plastic gear 18 tooth x 19.75 mm diameter.Look at the following web site to see examples of young students activities using gears.http://www.tki.org.nz/r/assessment/exemplars/sci/physical/pw_3a_e.php





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Gear  30 tooth x 31.75 mm diameter. Pk/20  (TS0473)

Gear 30 tooth x 31.75 mm diameter. Pk/20 (TS0473)

Flat plastic gear 30 tooth x 31.75 mm diameter.Look at the following web site to see examples of young students activities using gears. http://www.tki.org.nz/r/assessment/exemplars/sci/physical/pw_3a_e.php





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Gear 38 tooth x 39.75 mm diameter. Pk/20  (TS0474)

Gear 38 tooth x 39.75 mm diameter. Pk/20 (TS0474)

Flat plastic gear 38 tooth x 39.75 mm diameter.Look at the following web site to see examples of young students activities using gears.http://www.tki.org.nz/r/assessment/exemplars/sci/physical/pw_3a_e.php





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Gear  45 tooth x 46.75 mm diameter. Pk/20  (TS0475)

Gear 45 tooth x 46.75 mm diameter. Pk/20 (TS0475)

Flat plastic gear 45 tooth x 46.75 mm diameter.Look at the following web site to see examples of young students activities using gears.http://www.tki.org.nz/r/assessment/exemplars/sci/physical/pw_3a_e.php





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Gear   58 tooth x 59.75 mm diameter. Pk/20  (TS0476)

Gear 58 tooth x 59.75 mm diameter. Pk/20 (TS0476)

Flat plastic gear 58 tooth x 59.75 mm diameter.Look at the following web site to see examples of young students activities using gears.http://www.tki.org.nz/r/assessment/exemplars/sci/physical/pw_3a_e.php





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Gear set of 28 pieces (TS0477)

Gear set of 28 pieces (TS0477)

An educational set of 28 plastic gears.

Look at the following web site to see examples of young students activities using gears.

http://www.tki.org.nz/r/assessment/exemplars/sci/physical/pw_3a_e.php

 





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