Merge pull request #5 from PeeJay/dev

Modify bearing block to accept Nyloc nuts

Paul, thanks for the mod. I was about to do something similar! --Karl
Revert "Modify bearing block to accept Nyloc nuts"
Merge pull request #6 from firepick-delta/revert-5-dev

Revert "Modify bearing block to accept Nyloc nuts"
Better catenary springs
cleanup
Vacuum coupling; ROM mods for rods
N8 mount
Rename
PC04; Hack cleanup