robothut Posted January 4, 2021 Share Posted January 4, 2021 Here is the build video. If you watch on Youtube you will see the link for the Demo video and link for the Thing-i-verse files. Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 Domo video of the 3d printed walking flywheel robot and other vintage "friction" flywheel robots. Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 The robot has a nice weight to it and there are no small cams or other parts waiting to break and metal shafts and even ball bearings have been used in the build. Link to comment Share on other sites More sharing options...
RoboDerby Posted January 4, 2021 Share Posted January 4, 2021 This is AWESOME John! Really great job. Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 The flywheel gear box build. The shafts for the flywheel and gears are 3d printed in split parts. The shaft parts are held together by the ball bearings and the gears that fit on them. Here you can see the gearbox housing and the main drive gear, axle and bearings. Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 Here is the second gear and shaft unit. Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 Here is the flywheel, gear and axle unit. You can see how I stack metal washers on the axle to form the flywheel. Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 I made 2 robots the prototype one did not have the mouth and a few other small changes. Here are some pictures of the second gear box unit. Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 The output drive shafts have large cams that fit on them. One of these cams also have a crank cam that lets a metal shaft crank catch when turned in one direction and slip in the other. This makes it easier to crank the flywheel up to speed. These cams are not installed in the actual build until the leg units are built and installed. You can see the crank shaft has a small cap on the end that keeps the cranking shaft from falling out of the gearbox. Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 starting the foot / leg units. I did not take many pictures of this step , but the build video shows in real time how to do it. Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 Link to comment Share on other sites More sharing options...
robothut Posted January 4, 2021 Author Share Posted January 4, 2021 Link to comment Share on other sites More sharing options...
Martian Gil Posted January 4, 2021 Share Posted January 4, 2021 Beauties, John! Link to comment Share on other sites More sharing options...
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