wip

mechanical_design/index.html

@@ -61,19 +61,13 @@ framing
    <a href=http://mtm.cba.mit.edu/2011/2011_mtm-snap/mtm_snap-lock/index.html>self-aligning</a>
 
 drive
-   <a href=http://www.mcmaster.com/#standard-gears/>gears</a> <a href=http://mods.cba.mit.edu/?program=programs/frep/gears>involute</a> <a href=https://github.com/fellesverkstedet/fabricatable-machines/blob/master/humphrey-large-format-cnc/humphrey_v1.md>cycloidal</a> <a href=https://khkgears.net/new/helical_gears.html>helical</a> <a href=https://jalopnik.com/why-citroens-logo-looks-the-way-it-does-1792495437>herringbone</a>
-   <a href=https://www.mcmaster.com/planetary-gear-boxes>planetary</a>
+   <a href=http://www.mcmaster.com/#standard-gears/>gears</a> <a href=https://modsproject.org/?program=programs/frep/gears>involute</a> <a href=https://github.com/fellesverkstedet/fabricatable-machines/blob/master/humphrey-large-format-cnc/humphrey_v1.md>cycloidal</a> <a href=https://khkgears.net/new/helical_gears.html>helical</a> <a href=https://jalopnik.com/why-citroens-logo-looks-the-way-it-does-1792495437>herringbone</a>
+   <a href=https://www.mcmaster.com/planetary-gear-boxes>planetary</a> <a href=https://www.harmonicdrive.net/>harmonic</a>
    <a href=https://www.mcmaster.com/#rack-and-pinion-gears>rack and pinion</a>
-   <a href=http://www.mcmaster.com/#roller-chain-sprockets/>sprockets</a>
-   <a href=http://www.mcmaster.com/#drive-belts/>belts</a>
-   <a href=https://www.mcmaster.com/products/thread/material~kevlar/>thread</a> <a href=https://www.mcmaster.com/34235T27/>wire</a>
-   <a href=https://gitlab.cba.mit.edu/quentinbolsee/urumbotxy-2.0>capstan</a>
-   <a href=http://www.mcmaster.com/#roller-chain/>chains</a>
-   <a href=http://www.mcmaster.com/#rotary-shafts/>shafts</a>
-   <a href=https://www.mcmaster.com/products/lead-screws>lead screws</a>
-   <a href=https://www.mcmaster.com/products/ball-screws>ball screws</a>
+   <a href=https://www.mcmaster.com/products/lead-screws>lead screw</a> <a href=https://www.mcmaster.com/products/ball-screws>ball screw</a>
    <a href=https://www.mcmaster.com/screw-shafts/nut-type~threadless/>threadless</a>
-   <a href=https://www.harmonicdrive.net/>harmonic</a>
+   <a href=http://www.mcmaster.com/#roller-chain/>chain</a> <a href=http://www.mcmaster.com/#drive-belts/>belt</a>
+   <a href=https://www.mcmaster.com/products/thread/material~kevlar/>thread</a> <a href=https://www.mcmaster.com/34235T27/>wire</a> <a href=https://gitlab.cba.mit.edu/quentinbolsee/urumbotxy-2.0>capstan</a>
 
 guide
    <a href=http://www.mcmaster.com/#ground-rods/>shafts</a>