Aft of the helm, a solar cell panel was installed to contribute to the electrical generation and save valuable diesel. The limited size of Barrabas meant that diesel in the tanks and in a collection of 20l jerrycans had to be carefully husbanded for the time in the ice when the engine had to be run because of the need to maneuver amongst ice floes.
Wind would be used to power the vessel as much as possible, again to conserve the engine for essential use.
Wind would drive a generator to help in conserving diesel fuel.
Wind would also power the Hydrovane self-steering system that is a vital aid to the solo sailor. It is only with the help of this tool that the sailor can leave the helm to attend to other tasks and to grab some sleep.