It is direct drive, the meter indicates measurement to 650 ft lbs. The 220v water pump will empty the 100 gallons of water in about a minute. It is manual controlled, by the handle on the ball valve that you see on the table.
Max used to borrow the dyno from a shop here that build half V8 chevy motors for sprint cars, he decided to buy it. I know Max has some equipment and a motor stand that is not in the pictures of us dyno testing his bike.
Chris, Max has never used the dyno to test any motor but the ones in the Black Lightning