1989 Evinrude 225, 23' Powercat Sabalo 232.<br />First Prop<br />Old, stainless 14.75x 19 (prop shop said it was so worn it was more like an 18 pitch)<br />Max rpm 5000, max speed unknown maybe 35mph<br />Boat planes so slowly.<br /><br />New stainless 15x17<br />Max rpm 4800 (whoops I wanted...