![]() It was pretty clear that the pivots for the cam arms needed to be higher. Of course, I went through a lot of design iterations and test prints, here's the first one: ![]() This isn't a new idea by any means, and you should check out the great work by Olukelo at Thingiverse which provided a great amount of inspiration. Finally, all of the properties can be combined to produce a completely custom feel. A linear curve will give the same resistance from the center to the end-stops, and will always snap back to the center. Here's the resulting design:īy changing the shape of the cam surface you can achieve just about any resistance profile, for example an exponential curve where a small movement away from the center encounters little resistance, but a pushing all the way to the end-stops will result in an exponentially increasing resistance. Looking at high-end joysticks the common solution appears to be cams actuated by a roller - as the joystick is tilted a bearing is rolled across a cam surface on a lever, and the lever acts on a spring. Īfter using the prototype of the attitude joystick the feel of the return springs was really unsatisfactory.Still waiting for parts to arrive Tobias. ![]() Second is a set of parts to make a replica spacecraft hatch, starting the the locking latch mechanisms, and eventually the complex hinge mechanism and hatch lever system. While these all fit into the KSP/space sim theme, I've set them up on hackaday as different projects as the parts list and assembly is completely different.įirst, I've been working on a more realistic abort handle that uses a similar spring-loaded cam mechanism which feels really nice. In the meantime, I also wanted to share a couple of the other related projects I've been working on.
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