Build your own electric outboard engine - Practical Boat Owner Dec 12, �� I made an electric outboard out of a old electric go cart but it was hard to balance out and at full throttle it made the loudest racket and would shake the hole boat. It was a 24v motor and the run time at full was only 45 mins. but I hit mph on the . May 11, �� He is after high efficiency but you could utilise some of the technology to your advantage, like the long flexible external drive shaft (put the electric motor forward in a splash-proof box) - - maybe use a cheaper propeller or make your own 2 blade similar to that used by model aircraft but rotate at to rpm in the water, salvage a. P ropelling a boat with an electric motor is hardly new. In the late 's electric powered boats, some as large as 60', were used to hold grand parties on the Thames River in England. E lectric boating was popularized in the United States when the Electric Launch Co. of New Jersey, or ELCO, built fifty-five 36' forty passenger electric launches for the Chicago Columbia Exposition.
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In short, it is a simple, rugged, and reliable design. Furthermore, an AC motor is more receptive to electrical regeneration � it naturally wants to regen. The entire propulsion system, excluding instrument panel and batteries, is contained in a water-resistant cast aluminum finned housing that contains all of the electronics, AC motor, and safety devices.

The system is mounted directly in place of a typical marine diesel or gas engine. Whether on the sound, around the bay, along the lake or on the river, it is highly valuable to protect our waters. Use tape or clay to hold the battery in place on a flat surface like a tabletop or desk. This will allow you to connect it to the coil without having to hold it with your hands.

Make sure the battery is laying on its side so that you can easily reach both terminals. Strip the ends of the coil wire. Use wire strippers to remove the insulation on either end of the wire, but only one half of the insulation, such that the bare wire will be connected to the circuit only half the time. These leads will connect to the battery and allow current to flow through the coil. If you sand the wire all the way around, the wire will heat up or move back and forth, and the motor will not work.

Slide each end through the eye of a needle. A needle makes the perfect holder for the wire leads. Insert each end into the eye of a separate needle.

You can also bend two paper clips one for each side to make a holder. Tape the needles to the battery terminals. Do not let either needle touch both sides of the battery. Once both leads are connected, there will be an electric current running through the needles and the wire. It is best to use rubber or insulated gloves for this step. Part 3 of Bring a magnet close to the coil. Once a current is flowing through the coil, it can interact with a magnet.

Either hold the magnet close to the coil, or tape it to the battery right underneath the coil. The closer the magnet is to the coil the stronger it will interact. Spin the coil. See what happens when you spin the coil. Depending on the direction the current is flowing and the side of the magnet that is interacting with the coil, the coil may continue to spin or may not.

If the coil does not keep spinning, try spinning the other direction. Experiment with different methods. Different variations will give you different results. The coil may spin faster, slower, or not at all if you change something. Try moving the magnet closer to or further from the coil, pick a stronger or weaker magnet, or use the other side of the magnet.

These variations are a fun way to understand the forces in an electric motor. The article is actually referring to sandpaper. You use sandpaper because the wire used for making the coil is enameled copper wire, which means the copper wire has an insulation coating.

To ensure that there is proper contact between the coil end and the battery lead, you need to remove this enamel coating. So you use sandpaper to rub it off. Not Helpful 34 Helpful Other than a learning experience, not much. This motor is fairly weak, and won't generate enough power to move anything. It will make a great science fair project, however. Not Helpful 39 Helpful Electric motors have many uses. Motors which are used in simple circuits help in giving a better understanding of electricity, motion and technology to the students.

Large motors used in cars or locomotives help in motion. Motors are a key component of the industrial world and the technological advances we are all familiar with today. What adjustments do I make if it doesn't rotate but instead the wires heat up? Since it isn't turning, I would avoid decreasing the power. Try a thicker wire. Not Helpful 15 Helpful In short, the current moving through the wire generates a magnetic field.

This field interacts with the magnet that you introduce. Not Helpful 20 Helpful In general, the number of turns affects the torque and speed of the motor. If the number of turns increases, the motor will become slower slow speed , but have more torque - application for heavier weights.

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Comments to «Build Your Own Electric Boat Motor 70»

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