Not a trick question. I jus didn’t know if you knew how the dyno records torque.
There is a load cell that is mounted to the absorber. As you add load the absorber tries to rotate against the load and that load cell sends a voltage signal to the computer and then there is some voodoo math that’s way over my head that calculates that signal to torque. Then the computer does some pretty simple math and takes that torque reading and the RPM at which the torque was measured and it gives horsepower.