public LaunchPad()
 {
     _compressorTank = new CompressorTank();
     _rocket = new Rocket { Mass = 150 };
     _rocketFlight = new RocketFlight { Rocket = _rocket, PreferredDistance = 8};
     _launchHeight = 10;
     _launchTubeLength = 230;
     _launchAngle = 45;
     PossibleAngles = new List<int> {30,45,60};
     _launchTubeDiameter = 26.9;
 }
 public RocketFlight(Rocket rocket)
 {
     _rocket = rocket;
 }