How about a SUPERCHARGER Dyno!!!

[SmokinStang]

Rare & interesting piece of equipment, roughly 1 -of- 6 of it's kind.



What's that screeching whine coming from the north end of the Kalitta Motorsports race shop, you ask? Well, friends, that is the supercharger (blower)/clutch dyno in action. It's one of only about a half dozen in use. Using a 350 Chevy motor to get things rolling, the dyno utilizes a 4,000 lb. flywheel. Once the flywheel gets up to about 8,000 rpm it applies the equivalent of 11,080 rpm to the blower via the belt and pulley to closely represent what it gets from the power of one of our race cars. Once the blower has spun for four seconds, team members like Andy Cetwinski break down all the data from the computer to determine that the flow of air and boost are correct and assign each blower a rating based on percentage to help our Team Kalitta crew chiefs decide how each fits with certain engine tune-ups. The same apparatus is used to test torque curves on clutch discs. Pretty cool, huh?

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Here's another Blower Dyno:


This one is actually Doug Herberts dyno. Top Fuel Funny Car driver Gary Densham, testing of his blowers was performed here. And yes they have to get the flywheel going to simulate the 8000 rpm hit at the throttle.

[96SLOBRA]

WOW! How much boost?