28mm Waterjet Thruster Backward Sprayer Water Pump Injector w 3-Blade Paddle Transmission Shaft for RC High-Speed Jet Boat

28mm Waterjet Thruster Backward Sprayer Water Pump Injector w 3-blade Paddle Transmission Shaft for RC High-speed Jet Boat Specification:- Item name:28mm waterjet thruster / sprayer water pump - With backward function - Stainless steel transmission shaft diameter:4mm, mounting 2pcs hight speed ball bearing - Shaft sleeve outer diameter:9mm - Thruster main body material:plastic - Aluminum connector:4x3.18mm - With diameter 26mm 3-blade propeller,material is PC parts . It is fixed with a paddle fork and a self-locking nut, and it will not slip at high speed, which is convenient for maintenance and replacement of the propeller. - Can be used with brushed 550 motor - Can be used with shaft diameter 3.18mm motor brushless B28 3650 motor - Suitable for model boat within length 400mm-600mm Features:- With backward function - There is an automatic water inlet at the end of the ejector to cool the electric motor. - The injector set has a metal motor mount. - There is a bottom fence to prevent water weed from entering Notes:- this pump need to assembly by yourself,and we will provide you the installation drawings Package include: 1pcs x Water Thruster

• 28mm Waterjet Thruster Backward Sprayer Water Pump Injector w 3-blade Paddle Transmission Shaft for RC High-speed Jet Boat