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Re: [Virtools] New Physics Car

Hi all,

Mathias wrote:
> In the new version there you can use "Analogical Inputs"!
> The describtion of the BB is not satisfying for us we are afraid...

I never thought not being satisfied by some BB's doumentation could be so
scarry !

I'll try to answer as best as I can:

> - What is the meaning exactly of the Forward/Backward Percentage? Percents
> of what?
+100 % = full forward (your foot fully press the accelerator)
-100% = full backward (your foot fully press the breaks)

> - How does the engine power in the corresponding array take place in the
> system?
The more engine power you have the more your car will react like dragster

> - The same question for the values in gear 1 to 5 (transmission ratio?!?)
Kind of ratio between the RPM (rotation per minutes of the motor) and th
torque applied to wheels.
Common ratios are:
gear 0 = 3.8
gear 1 = 2.2
gear 2 = 1.3
gear 3 = 1
gear 4 = 0.8
Thus at gear 0, the RPM will be higher than at gear 2, but the torque will
be smaller.

> - Why is the first gear allways 0 and not 1?
Don't know... but don't be so afraid about that... things are different
sometimes.

> - At which moment does the automatic gearbox change the gears?
When the RPM start to be too high... i.e. when the ratio of the next gear
give more torques to the wheels.

Note: There's 2 samples .cmo provided with the 2.1 version of the Physics
Pack (go to \Documentation\Physics Database, and open files: baobab cafe
US.cmo, and raycast car sample.cmo.) And you can also find 2 preformatted
car data arrays called "car pickup array.nmo" and "car raycast array.nmo"

Hope this help,

Araya


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