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| Information: | Back to LaptopDyno™ |
 Dyno Software
The Nology LaptopDyno™ for Windows software is easy to use. An evaluation version can be downloaded from our Downloads page. NOLOGY DOES NOT SUPPORT STREET RACING Theory of Operation A Dynamometer is used to measure engine power. Dynos are either crankshaft dynaos or chassis dynamos. Crankshaft dynos require the motor to be removed from the vehicle and the power is measured directly at the crankshaft. Chassis dynos test the power delivered to the wheelst. As such, the power figures measured are always less than with a crankshaft dyno. The LaptopDyno™ is a newly developed device that uses the OBD II data on all 1996 and newer automobiles to compute engine power, acceleration times, fuel economy, and more. The LaptopDyno™ tests the vehicle in a completely real world situation that includes powertrain losses, drag from disk brakes and wheel bearings, rolling resistance of tires and aerodynamic drag. So, whether you drive a Truck or a Ferrari, the power calculations will correct for wind drag. The LaptopDyno™ will also correct for weather conditions and altitude. So, a vehicle dyno'd in Denver on a hot day will give the same results as a chilly day in San Diego. Measurements generated are comparable with one another around the world. Extensive comparison testing on the Dynojet chassis dynamometer has shown that the LaptopDyno™ is extremely accurate. Screen Shots The Nology LaptopDyno™ for Windows dynamometer features include horsepower and torque measurements, acceleration tests, and fuel mileage. Never before has a product combined the power of an OBD II diagnostic scan tool with a performance measuring dyno software. Did that engine modification or new air cleaner really increase horsepower? What is my 0-60 time? How fast is my car on the 1/4 mile? The LaptopDyno™ measures this and a whole lot more! The Dyno-Scan software records speed and RPM signals while the vehicle accelerates through the RPM range. With vehicle and environmental parameters entered, such as vehicle weight, drag coefficient, altitude, and air temperature, the software creates horsepower and torque curves. Shown below are a few dyno screens available.
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| Dyno Setup Used On Run Vehicle weight, elevation and humidity are saved at the time of the run. Current weather conditions here. Get vehicle data here. File – file name. Weight – weight of the vehicle including passengers. Gear Ratio – the overall gear ratio of the vehicle, which includes transmission and axle. Tire Diameter – the vehicle tire diameter. Temp – current outside temperature. Elevation – current elevation. Humidity – current outside humidity. Pressure– current altimeter pressure available here. Drag – drag coefficient of vehicle here. Frontal Area – frontal area of vehicle here. Note – an optional text note. |
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| Power Torque Statistics The Power Torque Statistics - peak horsepower and torque at RPM. File – Power Torque file name. Peak Power – peak horsepower output during run. Peak Power RPM – RPM peak power was achieved. Peak Torque – peak torque output during run. Peak Torque RPM – RPM peak torque was achieved. |
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| Acceleration Statistics The Acceleration Statistics - times and horsepower values and how fast the vehicle accelerates. File – Acceleration run file name. Top Speed – maximum speed achieved during the run. 0 to 60 Time – how fast in seconds the vehicle traveled from 0 to 60 MPH. 1/8 Mile Speed – how fast at the 1/8-mile mark. 1/8 Mile Time – time in seconds. 1/4 Mile Speed – how fast at the 1/4-mile mark. 1/4 Mile Time – time in seconds. 1/4 Mile HP – horsepower based on 1/4-mile time and vehicle weight. |
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