I've only got an Ender 3, so nothing fancy , I've got a better extruder ,Bltouch and the upgrade board with Trinamic 2208 stepper drivers, its still fairly basic but it does what I want it to .
The gearbox is now virtually complete except the diff , I made some sprockets for the chain today as well as more gears , it takes a bit of trial and error printing gears to get the mesh right , Fusion 360 ( the CAD software) has a gear making add on but you have to get the lash right as well as some other bits to get them to run smooth . The sprockets are not from the Fusion 360 add on , I had to just freehand copy them from originals and that was very hit and miss but on my 4th or 5th attempt I got a good result with both positive engagement and smoothness .
I'm waiting on thrust washers and bearings for the diff then I'll fire up the lath and make the outdrives and front drive parts .
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