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Phone: 330-963-5400
Fax: 330-425-3310

Engine Development & Durability Test Systems


The ever-present push for increased performance, fuel economy and durability and recent rule and policy changes taking place in regulated industries combine to create serious challenges for engine developers. These challenges require well-developed test solutions. In response to these challenges, Mustang Dynamometer, in conjunction with Rockwell Automation, has developed the MD-AC-1200-10K High Performance Engine Development & Durability Dynamometer.

 

The MD-AC-1200-10K is a state-of-the-art high performance test system that combines some of the industry's most advanced technologies along with Mustang's powerful TESTCell™ Automation Software to provide a truly advanced engine development tool. The system is powered by an 1200/800-Hp variable speed AC motor and a regenerative AC controller from Rockwell Automation.

 

The MD-AC-1200-10K offers many advantages over competitive systems in the market. By utilizing high speed AC motors and an advanced control system, the MD-AC-1200-10K makes it possible to perform tests such as vehicle and track simulation that are simply impossible with competing systems employing older technology.

 

The following table  offers a comparison of Mustang’s AC/Electric system to the competition’s Eddy Current and Inertia Weight systems.

 

AC/Electric vs. Eddy Current/Inertia Weight Engine Dynamometer Systems

Eddy Current and Inertia Weight System

AC/Electric with Inertia Simulation System

System Response

~ 100 msec.

< 10 msec.

Shift Simulation

Too Slow

Yes

Inertia Simulation Resolution

± 200 lbs. *

± 1 lb.

System set-up for axle and trans ratios

Manual Inertia Weight Changes are Required

Automatic

Water Requirements

80 gallon/min @ 800-hp

None

Dyne Power Recovery

None

Near Full Recovery

System Configuration

Complicated

Simple & Compact

Overload Capacity

None

150%

* Depends on the number of available inertia weights, tire diameter, axle ratio and transmission gear ratios - assuming 6 weights.

 

The Eddy Current PAU must be oversized to accommodate the track loading which effects a vehicle while running on a track. The loads of concern are seen while a vehicle is at wide-open throttle in a banked curve. A geometric track force is induced on the vehicle while negotiating the curve and slows the vehicle down due to extra vehicle force and available engine power. The geometric track forces while @ wide-open throttle requires the Eddy Current PAU to be over sized in order to mimic the track. The AC-motor does not use the inertia weights to simulate the mass of the vehicle as in the Eddy Current system thus the dyne does not have this mass present in the system configuration to slow down.


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