Originally Posted by
ANDRIS GOLTS
Hi all noticed some airboats have a single air rudder and other airboats have dual air rudders . Is there an advantage to having dual air rudders ? I am thinking about designing another airboat in the 21 inch range with a 8 inch beam and a puller prop instead of a pusher prop . Regards Andris Golts.
I found with 2 rudders it catches the prop wash and control at low speeds is fantastic. If 1 centered fin were applied, I'd see a problem with catching enough air would make boat squirly. If the Single Fin were offset to one side that may work really well.