Looking to upgrade your RC Boat? The number one RC boat upgrade is is a propeller change. Whether you are changing to a different pitch or diameter, or changing to a Beryllium Copper, Silicon Bronze, or Stainless propeller FunRCBoats has the right RC boat propeller to upgrade your boat. Above we have listed all our different RC boat propeller manufacturers. Octura Propellers are available in Plastic, Aluminum and Beryllium Copper. Prather Propellers are Silicon Bronze and Stainless Steel. Grim Racer Propellers are a Copper-Beryllium-Titanium Alloy. You will find stock replacements and upgrade propellers. Not sure what you need? Contact us or check out our propeller recommendations page.