Electro-Mechanical Associates sells a variety of engine research products including the following:
   • Cylinder pressure combustion analyzers
   • Engine controllers for research purposes  
   • Diesel particulate meters
   • Micro-Dyn low inertia engine dynamometers
   • Piston ring profile tracers

Listed below is more information on a few of our products:

ENGINE CONTROLLER FOR LABORATORY RESEARCH
   • Fuel supply timing and quantity
   • Ignition timing
   • Manual or automatic AFR control
   • Controllable engine functions

COMBUSTION ANALYZER / DATA ACQUISITION SYSTEM 
   • Single and multi-cylinder up to 16 channels  
   • Record crank angle based engine conditions
   • Plot cylinder pressure vs crank angle
   • Measure, Calculate and Display:
        • Indicated power
        • Indicated Mean Effective Pressure
        • Fuel Mass fraction burn rate
        • Peak pressure & crank angle
        • Knock
   • Compare cylinder to cylinder differences
   • Many other powerful features
   • User friendly and cost effective

TRANSPORTABLE DYNAMOMETERS
   • Up to 80 hp
   • On wheels for easy moving
   • Low inertia (won’t break crankshafts)
   • Steady state and transient operation
   • Transient programmable
   • Motoring and absorbing
   • Self contained
   • User friendly and cost effective

Plot of log pressure vs log volume. Data taken using EMA cylinder pressure combustion analyzer.

Data taken using EMA-PA3 Particulate Analyzer. Plot of particulates during transient cycle shows where improvements can be made.

Automated 3-D profile of piston ring. Data from EMA-PT3 Profile Tracer shows unworn and worn ring profiles as well as wear.