New range of ' extended runtime ' thrusters! Electric bow and stern thrusters, introduced to the leisure market by VETUS over thirty years ago, are still the. New! ' extended runtime ' bow thruster! Delivers a lot extra! With the increase in sales of joystick docking and the realization that even twin engine vector systems. Vetus said its extended runtime thrusters can be operated The new joystick technology allows the engine to work with bow and stern.