Eddy Current Dynamometers

Shown are the 5 HP Midwest model 3HS and the 4,000 HP Midwest Model 932.

The Midwest 3HS, is rated at a constant 5 horsepower from base speed 3,600 RPM to max speed 19,000 RPM, with 0.044 lb.-ft.² inertia and max. torque of 7.3 ft.-lb.

Versatile, multi-position portable cart designed to test motors or engines up to 40 HP at their real-life angle of operation. Only a few of the possible positions are shown. Two-position 75 HP cart also available, next photo.

This two-position tilt stand is rated for 3 to 75 hp, and can be configured with one of several Midwest, Dynamatic or Dymond Series AC dynamometer models.

This remanufactured tilt stand is rated at 30 hp.

Model DM8082, Wet Gap, rated at 275 HP, with 5.2 lb. ft.² inertia; 3,800 to 8,000 RPM speed range, and max 380 ft.-lb. torque

Model DM2025HS, , Dry Gap, rated at 700HP, with 698 lb.ft.² inertia; 600 to 4,500 RPM speed rating, and max 6,127 ft.-lb. torque

The Dynamatic 2025, shown with optional foot mount, is available in several standard (max speed 3,600 RPM) and high-speed (max speed 4,500 RPM) models ranging from 700 to 2,200 horsepower.

Tandem dynamometers can be used together or separately. This particular setup is designed to test devices from 700 to 1400 HP.

Turbine engine test system utilizes a 10:1 speed increaser to achieve 30,000 RPM with a maximum absorbing power capacity of 4,000 HP at dyno speeds from 1,500 RPM to 3,000 RPM.

Virtually any Dry Gap model can be configured for vertical shaft testing, including the largest models.

The 2,000 HP Midwest base Model 932 can be joined in modular fashion to multiply the horsepower rating. Shown is a 6,000 HP 932-6.