public Helicopter(Engine engine, string stateNumber, int maxHeight,
int runWayLength, int maxWeigth, Screw mainScrew, Screw tailScrew)
: base(engine, stateNumber, maxHeight, runWayLength, maxWeigth)
{
MainScrew = mainScrew;
TailScrew = tailScrew;
}
public Helicopter()
{
MainScrew = new Screw();
TailScrew = new Screw();
}
