Source: https://guthlabs.ai/docs/instrument-workflows/motor-drive/

instrument chain / verified-workflow-definition

# Motor & Drivetrain Bench

Load requirement to motor, transmission, and shaft that survive.

Status: **observed**Lifecycle: **verified-workflow-definition**

## Goal

Load requirement to motor, transmission, and shaft that survive.

## Instrument chain

- 01

**[Motor Torque/Power/Speed Converter](<https://guthlabs.ai/docs/instruments/motor-torque-power-speed-converter/>)**

motor point

VERIFIED

- 02

**[Induction Motor Slip & Speed Calculator](<https://guthlabs.ai/docs/instruments/induction-motor-slip-speed-calculator/>)**

AC speed

VERIFIED

- 03

**[DC Motor Starting Current & Back-EMF Estimator](<https://guthlabs.ai/docs/instruments/dc-motor-starting-current-back-emf-estimator/>)**

DC start

VERIFIED

- 04

**[Gear Ratio & Train Calculator](<https://guthlabs.ai/docs/instruments/gear-ratio-train-calculator/>)**

transmission

VERIFIED

- 05

**[Belt & Pulley Speed/Length Calculator](<https://guthlabs.ai/docs/instruments/belt-pulley-speed-length-calculator/>)**

belts

VERIFIED

- 06

**[Shaft Power-Torque-Speed Calculator](<https://guthlabs.ai/docs/instruments/shaft-power-torque-speed-calculator/>)**

shaft point

VERIFIED

- 07

**[Shaft Diameter Sizing (Torsion + Bending)](<https://guthlabs.ai/docs/instruments/shaft-diameter-sizing-torsion-bending/>)**

shaft size

VERIFIED

- 08

**[Torsion of Circular Shafts](<https://guthlabs.ai/docs/instruments/torsion-of-circular-shafts/>)**

shaft stress

VERIFIED

- 09

**[Flywheel Energy Storage Calculator](<https://guthlabs.ai/docs/instruments/flywheel-energy-storage-calculator/>)**

smoothing

VERIFIED

- 10

**[Helical Compression/Extension Spring Designer](<https://guthlabs.ai/docs/instruments/helical-compression-extension-spring-designer/>)**

mounts

VERIFIED

## Handoffs and cross-checks

Torque×speed conserved (×efficiency) through gears/belts; final torque sizes the shaft.

## PointGuard stance

Conservation audit at every stage: P_out = P_in×η; a free power gain anywhere is an arithmetic bug.

## Sources and evidence

These pointers bind the page to evidence. They do not grant authority or collapse verification into deployment.

- `INSTRUMENT_COMBOS.json`

- `VERIFIED_LEDGER.json`