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Eddy brake & inertia dyno control system


DTec Inertia Dyno Software

To view our DYNertia3 software instruction videos please click here and subscribe to our Youtube channel.


Brief outline of DTec product groups and information (click on images or links for full list of products)


 Dyno DIY Inertia & Brake Dynamometer SystemInertia Dynamometer System,  Home Made DIY Bike Inertia and brake Dynamometer, homemade

DYNertia Dynamometer Systems


Inertia and brake (open loop) dynamometer systems for inexpensive DIY dyno construction or upgrading of existing dyno's.


Your very own dyno's in easy reach!



Atmospheric Air Fuel Ratio Correction  Weather Racing Software Dyno Atmospheric Correction

Weather Watch

Weather station for 'stand alone' track tuning or as DYNertia interface. 


Comes with viewing and recording software or with a DYNertia system it automatically corrects dyno data.


Tacho and Ignition Signal Conditioner for Dyno





Data Acquisition Accessories

Accessories for DYNertia or for general data logging.


- RPM sensing interface



FREE Tech Articles: 

  • Inertia dyno design guide

  • Brake dyno design tools

  • Temperature sensor calibration

  • Airflow bench design, DIY

  • Testing fuel mixtures (Lambda) after a converter

  • Design an accurate fuel mixture probe ('Tailpipe' Lambda)

  • Air density and tuning, the effect of RAD

  • Ignition coil dwell time and mapping

  • Ignition coil energy testing, DIY approach

  • Multi spark ignition systems, Inductive

  • High energy ignition upgrade

  • Fuel injector data & flow rate converter

  • TDC (Top Dead Centre) finder

  • Ultimate automotive 'back probe' construction

FREE Downloads: 

  • Product manuals, guides, data sheets
  • Design Tools
  • CamView software for machinist, centre and edge finding with a webcam.


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