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Item No:70093
Educational Construction Series (Units) No.93
3-SPEED CRANK AXLE GEARBOX
![](<img src="//d7z22c0gz59ng.cloudfront.net/japan_contents/img/usr/item/7/70093/70093_1.jpg" />
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Length: 70mm. Image shows assembled kit.
This reliable and smooth-running assembly kit gearbox offers a choice of 3 different gear ratios to suit a variety of construction projects from those requiring greater torque to those with an emphasis on speed, and the included crank arms let you apply all kinds of different motion to your creations. Gears and case are molded in reinforced plastic. ★Length: 70mm, attachment width: 30mm, height: 25mm ★Output shaft length: 100mm ★Features 16.6:1, 58.2:1 and 203.7:1 gear ratios. ★Motor included.
Assembly instruction manual (PDF)
Assembly instruction manual (PDF)
![](<img src="//d7z22c0gz59ng.cloudfront.net/cms/img/usr/item/7/70093/70093_4c1.jpg" />
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