Getaprop prop guard http://www.getaprop.com/ Sat, 4 Feb 2012 14:10:04 -0600 en 11" XP Prop Guard (Safety Orange) Fits 25hp to 35hp... For Bigfoot and High Thrust use 13" Prop Guard Test data indicates outstanding gain in overall Boat Performance,with the Propeller Guard installed... 1) Significant greater thrust (Towing Skiers etc.) 2) Higher cruising at minimum motor RPM RESULTING IN FUEL SAVINGS. 3) Significant directional steering control. 4) Outstanding boat leveling trim control. 5) Complete Propeller protection. (Water Skier safety) 6) Significant reduction of Propeller wake (Preventing wake nuisance for boats nearby and preventing wake damage to river and channel banks) 7) The vortex vanes between the outer and inner guard nozzle create a similer effect as counter rotating propeller arrangements, canceling the torque reaction, and the Propeller vortex of a single Propeller installation (Simple application for submarines and torpedos) http://www.getaprop.com/content-product_info/product_id-7208/prop_guard_11_orange.html http://www.getaprop.com/images/products/11org.jpg http://www.getaprop.com/content-product_info/product_id-7208/prop_guard_11_orange.html