clutchRatio and more

[mrPassion78]

Hi Stefan, could you maybe tell me what the flowing things mean: ClutchRatio="1" minClutchRatio="0.3" maxClutchRatio="0.95"

I see that in every gearbox, but not sure what it means.. I think The Min and Max, are that it will allow to shift before and/or after the set speed for the gear that it is in at that time?.

and i found 1 more i have no idea what it does:

That gearOffset, no idea what that does or refers to. I really like to get the hang of it, to make the conversions the best i can and gearbox makes it 100 times better. so thanx for this mod. greetings Pascal

[Mogli12]

Hi Pascal,

maxClutchRatio="0.95" means that the clutch does not fully close. So it behaves like a Voith turbo clutch or a torque converter. I propose not to use it directly and to replace it by attribute torqueConverterProfile with values "wheelLoader", "clutch", "oldCar" and "modernCar".

So left me first explain, what clutchRatio(C) means. It goes back to the clutch in moreRealistic in FS13. Based on the RPMs of your wheel and the gear ratio you have a certain rotation speed coming from your transmission. Let's call it wheelRpm or short W. The motor rotates at motorRpm or short M. The position of the acceleration pedal corresponds to a certain RPM the motor would rotate at in neutral. This is the throttleRpm (T). Now the motorRpm is calculated with the following formula:

M = C * W + (1-C) * T

So the clutch ratio is the ratio of how much influence the wheel RPM has on the motor RPM. clutchRatio=0 means that there is no connection between wheels and motor, the clutch is open. clutchRatio=1means that there is a static connection between wheels and motor, the clutch is fully closed.

Now let's look at clutchRatio=0.95. Depending on the position of the acceleration pedal the throttleRpm is between 900 and 2200 RPM. Gear ratio and rotation speed of the wheels would lead to wheelRpm=1600. So the motorRpm would be between

M = 0.95 * 1600 + 0.05 * 900 =  1565

and

M = 0.95 * 1600 +  0.05 * 2200 = 1630

This would simulate a turbo clutch or torque converter fully filled with oil. The defaults for such clutches are minClutchPercent="0.2" maxClutchPercent="0.96". Additionally, there are the attributestorqueConverterMaxFactor(defaults 1.25 for profile **"clutch"**, 3.2 otherwise) andtorqueConverterLockupMs` (default 200 if the vehicle has a converter lockup clutch, Wandlerüberrückungskupplung in German).

It hope this explains it a little.

Regards, Stefan

[mrPassion78]

Hi Stefan, Thanks very very much for this extensive explanation, this makes a lot of sense, and i actually understand really good what you explained.. I now now, what files to use instead, and how to read the whole thing.. Thanx a lot .

sincerely Pascal.