It becomes a giant's task to compute the result when the effect of cross seas, wind at all angles and ever varying force, arched surfaces, head resistance, ratio of weight to area, and the intelligence of the guiding power crop up.

He accepted a place on the Ellesmere and circumnavigated Australia. Work on the rotary engine which powered many early aircraft up until about 1920. His development of the rotary engine was frustrated by the weight of materials and quality of machining available at the time and he was unable to get sufficient lift from his engines to build an independent flying machine.