Jump to Contact Us page, or phone 1-603-226-3966
Jump to Contact Us page, or phone 1-603-226-3966 Show Menu

Please help us provide more free dyno technical data!
Click the Facebook buttons (below) to “Like” and “Share” this site:

DYNOmite Dynamometer facebook link icon

Later, follow our own DYNOmite Dynamometer Facebook page – to stay aware of the latest information updates.

Interesting dynamometer technical articles and tips from our support newsletters, white papers, and various other sources.

 “To suggest other subjects to be covered, just send us an e-mail.”

Dyno Tech Talk is a compilation or copyrighted material, however, other relevant web sites and forums are welcome to link to this index page.

DYNOmite "News" back issues (the source for several of the Tech Talk subjects below) may be viewed online. You'll need (the free) Adobe Acrobat Reader installed on your PC to open, read, or print these files. -

Note: These quarterly newsletters were sent to registered DYNOmite owners.


Tech Talk Subjects

Dyno-Basics 101

How Dynos Work - Reprint from Kart Racer magazine on the basics of dynamometer operation.

MAX – How Water Brakes Work - Animated look at how water-brake absorbers create load (MAX narrated).

Barometric Pressure - Read about determining the correct barometric pressure to enter for correcting dynamometer horsepower data

Corrected Horsepower - Read about correcting dynamometer hp to SAE, DIN, or other atmospheric condition standards.

RFI Troubleshooting - Reducing problems with ignition or other engine noise interfering with sensitive computerized data-acquisition systems.

Recalibration - Read about why, when, and how to perform recalibration of the dynamometer's torque readings.

Repeatability - Suggestion for improving the repeatability of any dynamometer installation or test session.

Smart Ratio - Feature automatically enters the correct DYNO-MAX overall gear ratio for simplified chassis dyno setup.

Which Dynamometer Type - Read about how and why each type of configuration has its own strengths and weaknesses.

Intermediate Dyno Studies

MAX – Roll-Diameter 101 - Watch how chassis-dyno roll diameter affects tire deformation, repeatability, and accuracy (MAX narrated).

MAX – Roll-Traction 101 - Watch how chassis-dyno roll surfaces affects tire traction, repeatability, and accuracy (MAX narrated).

Determining Inertia - Learn to use DYNO-MAX and dyno to self-calculate the engine's polar-moment-of-inertia.

Flow Meter Calibration - Step by step instructions for verifying your fuel transducer's accuracy.

Inertia Flywheels - Calculate the required polar-moment-of-inertia to simulate a vehicle's weight with a flywheel.

Inertial vs. Steady State Hp - Learn why your dynamometer shows an engine's inertial and steady state Hp don't match.

Parasitic Losses - Step-by-step instructions on determining driveline parasitic loss values for any chassis dynamometer.

PID Tuning - Tips on tuning a dynamometer's electronic load control Gain, Drift, and Rate (PID) settings.

Simulate Road Loads - Find out about running self determining dynamometer test simulations.

Sweep Rate - Tips on selecting the optimum test sweep rate for evaluating real world performance on the dyno.

Using BSFC #'s - Read about utilizing the Brake Specific Fuel Consumption data to help tune the engine.

Advanced Dyno Research

AFR Correction Formulas - Read about adjusting AFR Module readings for the effects of pressure and fuel type.

Data Aliasing - Read about the phenomenon of aliasing in digitally recorded data. 

EGT Response Time - Read how to attaining quicker reaction times from EGT thermocouples via DYNO-MAX. 

NI Board Installation - Step-by-step instructions on installing National Instrument Board Drivers for DYNO-MAX "Pro+."

Thermocouple errors - Understanding how these sensors work can help avoid invalid EGT readings.

Torque Hysteresis - Read about reducing the water brake's plumbing hose loads to improve the dyno's repeatability.

Safety Classes

Roll Balancing - Read about some of the details to consider when balancing rolls for high-speed chassis dynamometer testing.

Roll Diameter - Read about how roll diameter is tied to tire deformation, maximum safe speed, and power transfer capacity.

Tire Damage 1 - Bridgestone Firestone's technical bulletin on tire harm versus chassis-dynamometer roll diameters. 

Tire Damage 2 - Goodyear Tire's interesting comments on tire safety and chassis-dynamometer roll diameters.  

Tire Slippage - Read about tips on improving traction on older chassis dynamometer rolls. 

Tire/Dyno Science

Dyno Hp Limits - Read about what limits the maximum power you can accurately read from a roller chassis dyno. 

MAX – Roll-Diameter 101 - Watch how chassis-dyno roll diameter affects tire deformation, repeatability, and accuracy (MAX narrated).

MAX – Roll-Traction 101 - Watch how chassis-dyno roll surfaces affects tire traction, repeatability, and accuracy (MAX narrated).

Roll Diameter - Read about how roll diameter is tied to tire deformation, maximum safe speed, and power transfer capacity.

Tire Damage - Goodyear Tire's interesting comments on tire safety and chassis dynamometer roll diameters.

Tire Slippage - Read about tips on improving traction on older chassis dynamometer rolls.

Click to watch this “Exploding Tires” video.Tires Exploding - See why performance dynos must run large-diameter traction-grooved rolls (video).

DYNO-MAX Courses

About DYNO-MAX 2010 “Pro” - Narrated streaming-media player videos, on DYNO-MAX 2010 “Pro”.

Average Performance - Dynamometer techniques to increase an engine's total "area under the curve" horsepower.

"Black Box" Recorder - Feature to recover test data - even when you have forgotten to record the test!

Cloning Track Data - Read about how to create automated dynamometer tests from on-board lap recorder data.

Computer Selection for DYNO-MAX - Read suggestions for selecting a PC or laptop for use with DYNO-MAX 2010.

Dampening Data - Read about when to average, dampen, or otherwise filter the display of dynamometer test data.

DYNO-MAX "Hot Keys" - Special PC accelerator function keyboard shortcuts speed dynamometer testing.

Race Simulation - Requirements for performing high power race track simulations on a chassis dynamometer.

Dyno-Cell Construction 101

Cell Construction - Read tips and suggestions on planning and constructing sound dampened test cells. 

Cell Design - Important basics to consider when designing an engine or chassis dynamometer test cell. 

Dynamometer Chassis-Bay Example - Generic layout for a typical chassis-dynamometer test bay.    

Dynamometer Engine-Cell Example - Generic layout for a typical engine-dynamometer test cell.    

Flow Meter Installation - Best practice tips for installing and handling precision (low flow) fuel transducers..

MAX – Mounting the Absorber - Pros and cons of various absorber to frame mounting options (MAX narrated).

Water Supply Systems - Generic plumbing layout for a typical engine-dynamometer water system.   

Water Supply Tanks and Pumps - Basics of selecting water supply tanks and pumps for engine or chassis dynamometers. 

Dyno Myth Busters

Dyno Hp Limits - Read about what limits the maximum power you can accurately read from a roller chassis dyno.  

Corrected Horsepower - Read about correcting dynamometer Hp to SAE, DIN, or other atmospheric condition standards.

Guidance Counseling

About Dynamometers - Read about how and why each type of configuration has its own strengths and weaknesses.

Frequently Asked Questions - Read about others questions on on dynamometers and engine testing.