tom kane: Propeller Protection.

As fitted to CAM.A.PROPULSION.A steerable Kort nozzle,or fixed with a rudder.Raise strait up and down and-or-kick up like an out board.Use a strait-sided nozzle and a cage shield like Thundercat racers for people and shallow water and obstruction protection.See propulsion for Thundercats in Propulsion section.Extra mass =drag.