Mechanical & Design
ReCalc – belt, chain, pneumatics, flywheel, arm, linear mechanism, intake, gear spacing calculators
WCP Belt Calculator – for WCP belts and pulleys
CTR motor curves – for reference for gear ratios, output power
Electrical
CAN Physical Layer and Termination Guide – National Instruments
2026 FRC Team 95 CD Build Thread Post 134 – internal resistance, contact resistance, battery desulfating, battery formatting, contact types, standard resistivity values for different gauge wires
Battery University: How to Prolong Lead-Acid Batteries – great website that goes more in-depth on the topics from above
Programming
STEP files
 | WCP pulleys 9mm: 15t – 18t – 20t – 24t – 30t – 36t 15mm: 15t – 18t – 20t – 24t – 30t – 36t |
 | WCP gears all 20dp, 1/2″ hex bore 18t – 84t, too many to list |
 | rev planetary gearbox REV MAXPlanetary System Kit universal input stage 1/2″ hex output 1-stage (with NEO) 2-stage (with NEO) 3-stage (with NEO) remember to remove the NEO and replace with kraken if not using NEO |
 | kraken x44 – x60 |
 | 1/2″ hex bearings |