Speed$:Int (read-only)
Nominal speed of this engine. This is the speed PCC considers "optimal" for this engine. It defaults to the lowest speed at which the engine runs at 120% fuel consumption or less. You can assign a value between 1 and 9 to this property to change what PCC considers optimal.
Since: PCC 1.1.15, PCC2 1.99.8
See also: Engine Properties