NSU Ultramax Camshaft Drive

prusaprinters

<p><strong>General</strong><br>This Ultramax camshaft drive system was uniquely applied to NSU vehicles, mainly the NSU Max motorcycle.&nbsp;<br>From 1952 to 1963, approximately 160,000 motorcycles were made with this system.<br><br><img src="https://media.printables.com/media/prints/272096/rich_content/2b778a13-fb58-477e-b301-11942d29ddfe/nsu-max.jpg#%7B%22uuid%22%3A%22c768edb8-ee2d-40c1-8bd2-ac54c3a536a6%22%2C%22w%22%3A927%2C%22h%22%3A695%7D"></p><figure class="media"><oembed url="https://youtu.be/8yVvxhFkz5Q"></oembed></figure><p>Two rods rotate on eccentric disks. All eccentric disks are identical.&nbsp;<br>To pair 2 disks one disk is mirrored and then turned 90 degrees : <i>Eccentric Disks Alignment.stl.</i><br>This model makes it easy to understand how it works.<br><br><br><strong>Printing</strong><br>I printed the model on a PRUSA Mini, PLA - 0.2 mm layer height.<br>Weight: 55 g.<br><br><br><strong>Assembly</strong><br>Have a good look at the assembled and exploded views.<br>You might need a small hammer or vice to push the 2 Ultramax axles through the bearings and disks.<br>Assembly is in alphabetical order.&nbsp;<br>Follow the instructions with the .stl-files.<br>A <i>“Power Tool Adapter.stl” is added</i> to power drive your model. Please be careful not to overdo it….<br>&nbsp;</p>