layer .2mm
nozzle .3mm
no support needed
reduction per element: 3.75:1, but it may be selected in .scad file
advice: set "seam position" to random
there are 3 clearance definitions in the .scad file:
tol - clearance between gears
dh - vertical clearance of rolls
dd - horizontal
based on http://www.thingiverse.com/thing:53451
added slightly miniaturized version with:
outer diameter of ring: 45
pressure angle: 20
helix_angle: 45
and smaller, with ratio 13:56, pitch 2.5mm
added flywheel for the smallest one (should be printed with 100% infill)
added 40mm version
nozzle .3mm, layer .15mm
clearance set to .43mm, may be lowered on better printers
| engine.scad | 818.0B | |
| planetary_flywheel.stl | 229.1KB | |
| planetary_gearbox.scad | 9.5KB | |
| planetary_gearbox.stl | 2.7MB | |
| planetary_gearbox13x56.stl | 4.4MB | |
| planetary_gearbox_40mm.scad | 9.7KB | |
| planetary_gearbox_40mm.stl | 4.2MB | |
| planetary_gearbox_45.stl | 3.8MB | |
| planetary_gearbox_engine_mount.stl | 224.1KB | |
| planetary_shaft.stl | 16.2KB |
