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2. Brushless DC electric motor - Wikipedia

   en.wikipedia.org/wiki/Brushless_DC_electric_motor

   A brushless DC electric motor (BLDC), also known as an electronically commutated motor, is a synchronous motor using a direct current (DC) electric power supply. It uses an electronic controller to switch DC currents to the motor windings producing magnetic fields that effectively rotate in space and which the permanent magnet rotor follows.

3. Remote control fishing - Wikipedia

   en.wikipedia.org/wiki/Remote_control_fishing

   Remote control fishing is a fishing technique accomplished by using a remote control boat.The remote control fishing boats are almost exclusively battery operated, since batteries provide several benefits when compared with glow engines: less noise during operation, consume no power during idle time, requires no oxygen, easier to maintain, finer power and speed control, etc.

4. Radio-controlled boat - Wikipedia

   en.wikipedia.org/wiki/Radio-controlled_boat

   A few enthusiasts still operate such engines.) The power is commonly used to rotate a submerged propeller, aircraft propeller or jet which in turn provide the thrust to move the craft. Typically power boats have two controls, rudder, outboard motor or stern drive and throttle control. Powered scale boats will often have additional remote ...

5. Electric boat - Wikipedia

   en.wikipedia.org/wiki/Electric_boat

   Some boats use AC motors or permanent magnet brushless motors. The advantages of these are the lack of commutators which can wear out or fail and the often lower currents allowing thinner cables; the disadvantages are the total reliance on the required electronic controllers and the usually high voltages which require a high standard of insulation.

6. Electronic speed control - Wikipedia

   en.wikipedia.org/wiki/Electronic_speed_control

   Brushless ESC systems basically create three-phase AC power, like a variable frequency drive, to run brushless motors. Brushless motors are popular with radio controlled airplane hobbyists because of their efficiency, power, longevity and light weight in comparison to traditional brushed motors. Brushless DC motor controllers are much more ...

7. Dive Xtras - Wikipedia

   en.wikipedia.org/wiki/Dive_Xtras

   Completely modular scooter giving the diver the ability to choose 1, 2, or 3 batteries and easily swap them out at a moment's notice. It has the best power to weight ratio on the DPV market at 25lb-2.5hrs (P1), 34lb-5hrs (P2), & 43lb-7.5hrs (P3). BlackTip - Travel, Tech, and Exploration models - powered with standard power tool batteries.