The Pogofoil is Parker McCready`s second version of a Human Powered Hydrofoil with Flapping Wing Propulsion. The first Version was called Mutiny on the Boundry Layer.
More detailed information on the Pogofoil and Flapping Wing Propulsion by the designer himself can be found on his website or in the human power magazine.
MacCready, P. (1992). The Pogo Foil, A Human Powered Boat with Flapping Wing Propulsion. http://faculty.washington.edu/pmacc/pogo_foil.htm
MacCready, P. (1990). Features of flapping-wing propulsion. Human Power, Vol. 8 No. 2, S. 9,10, 13-16. http://www.ihpva.eu/HParchive/PDF/26-v8n2-1-1990.pdf