Things to know about the tool
- The reduction of power loss in the timing system in Watts.
- The reduction in CO2 emission in grams CO2/km.
- The reduction of the corresponding emission penalty in € per engine.
The assumptions made to create these values are based on our experience of working with relevant players in the market.
What typical input is needed to perform a calculation?
Choose the relevant timing configuration via the drop-down menu "Timing configuration". From here you’ll see a graphic showing the input fields that need to be completed from a geometrical point of view. The following input fields are shown (in black font) in the graphical configuration:
- The number of teeth on the sprockets (indicated at the center of the sprocket representation by a number).
Per chain tensioner/ guide
- The average chain tension "S" working on the chain tensioner/guide (average of the minimum and maximum values). Please note that the chain tension is required here (not the force exerted by the hydraulic unit on the tensioner arm).
- The angle at which the chain has contact with the slide shoe.
- The average radius of curvature "R" of the tensioner/guide.
After defining the geometry, additional generic parameters are needed. By using the drop-down menu "Generic Parameters" you will see the following parameters ready for entry:
- Crankshaft RPM value
- Chain pitch
- Chain roller/pin friction diameter
- Friction coefficient rollers (representing the internal friction in the chain roller/pin interface)
- Total link thickness (representing the thickness/width of the chain surface in contact with the guides).