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Item 40 of 80
Rack strip driven ram.
A 15t pinion will mesh with a rack strip when it is journalled inside a channel bearing. This is the basis of my rams for luffing the crane. The beauty of this drive is that the pinion and rack strip cannot jump out of mesh.
Image by Richard Payn, viewed 414 times.
Size: 378.37kb (2000x1494 pixels) 
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