Wind Tunnel TGF 5000 HP Motor

A customer contacted us to work on a TGF 5000 hp motor.  Trisonic Gasdynamics Facility.  What in the heck is a TGF.  A wind tunnel.  The AFB tests airplane models in a wind tunnel.  The wind tunnel air speed maximum is mach 3.5.  The 10 stage Allis Chalmers compressor requires 8500 hp.  A 3500 hp wound rotor motor couples to a Falk gearbox with the 5000 hp synchronous motor. This job started with the Springfield field service department. Jim Delawder inspected and tested the motor, determining that rewinding was needed. John Franzer and Mike Harper presented a quotation for repair to [...]