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Mr Jos posted a topic in LEGO Technic, Mindstorms, Model Team and Scale ModelingAs there is not much going on here yet, and my own projects with EV3 are not working out as I would want, I'll post this video from someone who designed a 6 DOF with 1x RI. He used my program I made to be used for a 6 DOF with 2x EV3 and changed it to work without homing sensors, as it has only 6ports, each needed for a motor. With my help explaining how I build up the program, and how he could make it work and what changes would be needed. He did manage to get the forward and inverse kinematics working, allowing the 6DOF to make straight lines and smooth movements, each axis motion ending at the same time. Before he started I thought the calculating power of the RI would be to slow, but it seems to be even faster than with EV3! Cycletimes are faster allowing smaller intermediate steps. If I had a RI I would try to make this aswell to compare the EV3/RI 6DOF.
lbrix posted a topic in LEGO Technic, Mindstorms, Model Team and Scale ModelingHello everybody! This is the first MOC I present on Eurobricks. My most popular MOC yet is the 3 speed auto gearbox (https://rebrickable.com/mocs/MOC-33711/lbrix/3-speed-auto-gearbox-overworked-version/?inventory=1#comments). But now to this gearbox: At first ask yourself this question: Which sense has a normal D-N-R gearbox in a manual technic car? It has no sense. It makes no difference if you are in the forward gear or in te reserve. But with this D-N-R gearbox it makes a difference, because if you are in the forward gear, you can not push the car backward and if you switch in the reserve gear, you can not push the car forward. If you want to build this gearbox into a technic car, you have to connect the grey connectors to the wheels and one of the black ones to the fake engine. For more information check out this MOC on rebrickable (maybe it is not approved yet): https://rebrickable.com/mocs/MOC-47985/lbrix/alternative-d-n-r-gearbox/?inventory=1#comments No I wanted to ask you, what you think about this D-N-R gearbox? Here is an video of my gearbox: