Most famous of these is probably the toroidal propeller that made waves a while ago, mostly in the field of flying drones, but commercial toroidal boat props exist too. Test results of the ...

Unlocking better boat performance with smart prop adjustments and data-driven decisions The post How Data and Fine-Tuning ...

If your motor starts fine but loses power when you throttle up, the issue could be fuel-related. Water or debris in the fuel ...

Since the propeller is fixed under the boat, changing the directions (using ... This engine type is divided into two parts — the engine is similar to the inboard engine in that it uses modified ...