There is an automatic water inlet at the end of the ejector to cool the electric motor. Suitable for model boat within length 600mm-800mm. There is a bottom fence to prevent water weed from entering.
eBay
Volantexrc Arrobolt SR90 EXA79805 70Kph Length 90Cm Brushless Motor RC Boat ARTR or RTR 2.4Ghz Radio Control Boats Toys 798-5
Aliexpress UK
KV: 800KV/1400KV/2200KV/3600KV Optional. Motor Shaft: 5.0mm. Motor Size: 40 74. Motor Weight: 410g. MAX RPM: 50K.
eBay
KYO-20T 20kg 48V DC Thruster Full Metal Waterproof Brushless Motor For RC Boats ROV AUV Robot Electric Kayak Yacht E-Surfboard
Aliexpress UK
Compatible with a variety of helicopters, this motor is a top-tier choice for those seeking improved power and efficiency. Scorpion Motors are renowned for their reliability and performance, making this a must-have for your RC helicopter.
eBay
Hj818pro High-Speed Remote Control Boat 41cm Brushless Motor Competitive Boat High Horsepower Boat Model Children'S Water Toy
Aliexpress UK
KV: 800KV/1400KV/2200KV/3600KV Optional. Motor Shaft: 5.0mm. Motor Size: 40 74. Motor Weight: 410g. MAX RPM: 50K.
eBay
TFL Monocoque Carbon Fiber / Epoxy Motor Mount for 36/40 Series Brushless Motor for RC Boat Motor ESC Servo All in One
Aliexpress UK
162 g / 5.7 oz. Boat,Underwater,Motor§RC,Boat,Underwater,Motor§RC,Boat,Underwater,Electric,Motors§RC,Boat,Underwater,Thruster§Boat,Underwater,Brushless,Motor. But not suitable for seawater. 2、Underwater brushless motor provides smooth running and strong power.
eBay
Good Quality 36mm/40mm L107/233/320mm Rc Boat Motor Mount Motor Bracket Suitable for B36/B40 Brushless Motor Racing Boat
Aliexpress UK
Rocket 2958 3380KV Brushless Waterproof Motor with 29-S Water Cooling Jacket Cover 3.175mm 4 Pole Shaft For 600-800mm RC Boat Spare Parts. This is 2958 3380KV 4P sensorless and brushless motor with 29-S Water Cooling Jacket Cover,which is suit for 600-800mm RC Boat.
eBay
Volantex rc Arrobolt SR90 EXA79805 70Kph Length 90Cm Brushless Motor RC Boat ARTR or RTR 2.4Ghz Radio Control Boats Toys 798-5
Aliexpress UK
Motor Mount Universal Motor Mount RC Boat Motor Fixed Bracket Model Accessories for B28/29/36 Brushless Motor. l Applicable M odel : for B28/29/36 Brushless Motor. Silicone Black+Gray Watch Strap Band for Garmin Approach S2 S4 Vivoactive Watch.
eBay
Metal Watercool Motor Mount Seat Bracket Water Cooling Holder for 28mm 29mm 36mm 40mm Diameter Brushless Motor RC Boat
Aliexpress UK
Rocket 4068 Waterproof Brushless Sensorless Motor w/120A 150A ESC for 1/8 RC Car. 9imod 1250KV 1450KV Brushless Outrunner Motor 2-4S For Multicopters RC Plane. Rocket V2 3650 3660 3665 Brushless Motor and 50A 60A 90A ESC for 1/8 1/10 RC Car.
eBay
Aluminum Motor Mount Bracket Rack Holder Glass Fiber Board for 28/29/36/40mm Diameter Brushless Motor RC Boat
Aliexpress UK