Dyno Tech Talk about Dynamometers & Testing |
|
(603) 329-5645 |
Interesting
dynamometer technical articles and tips from our support newsletters, white
papers, and various other sources.
"If 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 are sent to all DYNOmite owners.
Tech Talk Subjects
AFR Correction Formulas - Read
about adjusting AFR Module readings for the effects of pressure and fuel type.
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!
Cell Design - Important
basics to consider when designing an engine or chassis dynamometer test cell.
Cloning Track Data - Read
about how to create automated dynamometer tests from on-board lap recorder data.
Corrected
Horsepower - Read about correcting dynamometer hp to SAE,
DIN, or other atmospheric condition standards.
Data
Aliasing - Read about the phenomenon of aliasing in digitally recorded
data.
Dampening Data - Read about when to
average, dampen, or otherwise filter the display of dynamometer test data.
Determining Inertia - Learn to use DYNO-MAX 2000 and dyno to
self-calculate the engine's polar-moment-of-inertia.
Dyno
Hp Limits - Read about what limits the maximum power you can accurately
read from a roller chassis dyno.
DYNO-MAX "Hot Keys" - Special PC accelerator function keyboard
shortcuts speed dynamometer testing.
Flow
Meter Calibration
- Step by step instructions for verifying your fuel transducer's accuracy.
EGT
Response Time - Read how to attaining quicker reaction times from EGT
thermocouples via DYNO-MAX 2000.
How Dynos
Work - Reprint from Kart Racer magazine on the basics of dynamometer
operation.
Inertia Compensation - Read about
correctly using Channel Dampening in conjunction with Inertia Compensation.
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.
NI Board Installation - Step-by-step instructions on installing National
Instrument Board Drivers for DYNO-MAX 2000 "Pro+."
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.
Race Simulation - Requirements for
performing high power race track simulations on a chassis dynamometer.
RFI
Troubleshooting - Reducing problems with ignition systems interfering with
sensitive 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.
Simulate
Road Loads
- Find out about running self determining dynamometer test simulations.
Smart
Ratio
- Feature automatically enters the correct
DYNO-MAX overall gear ratio for simplified chassis
dyno setup.
Sweep Rate - Tips on selecting the optimum test
sweep rate for evaluating real world performance on the dyno.
Thermocouple errors - Understanding
how these sensors work can help avoid invalid EGT readings.
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.
Torque Hysteresis
- Read
about reducing the water brake's plumbing hose loads to improve the dyno's
repeatability.
Using BSFC #'s - Read about utilizing the Brake
Specific Fuel Consumption data to help tune the engine.
Water Supply Tanks - Basics of selecting water
supply tanks for engine or chassis dynamometers.
