Test chair speed with confidence.
LlamaDyno reads the NEMI speed dyno live in your browser, runs the exact pass/fail math referees rely on, and keeps an official record of every test — no Windows app, no install.
Running with a tournament on PowerHub? Sign in with your PowerHub referee credentials — no LlamaDyno account needed.
Guest mode runs the standalone dyno — live readout and manual pass/fail, no account needed. Desktop Chrome or Edge required for Web Serial.
Live readout
Connect over Web Serial and watch left/right rollers, averaged chair speed, running peak, and a balance/steering needle update in real time.
Faithful adjudication
The legacy peak-of-balanced-average engine, reproduced exactly — extended with editable governing-body rulesets by phase and direction.
Official record
A guided referee workflow — tournament, match, team, athlete, chair — with a stable, exportable test record for every chair on the road.
Run a whole program
Organizations own their machines, chairs, athletes, rulesets, and results — invite referees, manage calibration, and keep every test in one place.