Some semi plaining (semi displacement) commercial boats were built with steps to reduce hull surface drag and some of the larger ones had air injection at the steps to enhance this concept when the craft was not light enough or fast enough to get up on step. Has this ever been tried on cats? **************Need a job? Find employment help in your area. (http://yellowpages.aol.com/search?query=employment_agencies&ncid=emlcntusyelp00000005)