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Tank engine behaviour discrepancy
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I discovered a new behavior of the vehicle virtual engine simulation. The phyX update made it so that the engine is not decouple when not giving throttle. For tanks this is inconsistent however.
At fault is the current tank control scheme that cuts of engine power when turning. I’d like to remind you of this ticket, which is because of the same thing, but much more servere affect

If you start driving and stop pressing W button the engine stays couple with the wheels and gearbox (essentially, the clutch is still “closed”). This can be easily noticed, because you still hear the engine sound even after letting go of throttle.
As the vehicle rolls and slows down the autogearbox reduces gears according to optimal rpm setting the same way as if there was throttle. You will hear how the engine is forced up in high rpm when a gear is changed down. For automatic gearboxed vehicles this is acceptable.
However, if you start turning (in a tank) the engine will be decoupled , which makes no sense at all. Either have it always decoupled without giving throttle, or always coupled.


Legacy ID
Steps To Reproduce

Hop in tank, start driving, let go of accelerator. Use mouse to increase turning angle until you hear the engine cut off.

Additional Information

Event Timeline

Fennek edited Steps To Reproduce. (Show Details)Feb 6 2015, 1:41 PM
Fennek edited Additional Information. (Show Details)
Fennek set Category to Controls.
Fennek set Reproducibility to Always.
Fennek set Severity to None.
Fennek set Resolution to Open.
Fennek set Legacy ID to 1344145848.May 7 2016, 8:13 PM
Bohemia added a subscriber: Bohemia.May 7 2016, 8:13 PM

Its since Arma 1, +1 need to be fixed. For now on i recomend to use JSRS sound mod - you will never get back to vanilla sounds