Ellis Gibson (B.Sc. in Mechanical Engineering)

To make a motorcycle battery with LiFePO4 18650 cells, start by choosing the voltage and capacity. For a 12V battery, use a 1P4S parallel configuration. Include a Battery Management System (BMS) for safety. Ensure the cells deliver enough cranking amps, typically around 170A, to start the motorcycle efficiently. Connect the cells in series to achieve … Read more

Create a simple homopolar motor using a battery and magnets. Gather these materials: a battery, a neodymium magnet, and copper wire. Secure the magnet to a screw. Connect the screw to one end of the battery. Attach the copper wire to the other end. Your motor will start to spin! Follow these steps for an … Read more

To create a lightweight electric battery, use aluminum alloy for its low weight and excellent oxidation resistance. Select high-capacity cells like Sony VTC6 or Sanyo 20700. Use a spot welder for secure connections. Opt for lithium-ion or LiPo batteries to achieve high power density. To build a lightweight electric battery, start by sourcing individual lithium-ion … Read more

To make a simple motorboat, connect a wire from the battery’s positive terminal to the electric motor. Secure a rechargeable battery inside the hull. Use tools and materials like foam and a lightweight motor. This DIY project is perfect for beginners and can be a fun activity with kids. Follow a tutorial for guidance. Start … Read more

To make a wind duck decoy battery-powered, connect a rechargeable battery to a power switch. Ensure the wings can spin freely. Use lightweight PVC connections, marking them before gluing. Check for reliable battery packs and consider MOJO Outdoors products for efficient performance and easy installation. Next, cut a hole in the bottom of the decoy … Read more

To make a micro USB battery, start with a compatible battery module. Connect the battery to a micro USB port. Use a 5V charger for power. Ensure proper wiring with low-resistance connections. For stability, add a zener diode and a DC-DC converter. Always follow safety guidelines when working with batteries. Start by securing the battery … Read more

A mercury oxide battery is a non-rechargeable electrochemical cell. It uses mercuric oxide and zinc as electrodes. The electrolyte is typically sodium or potassium hydroxide. These batteries deliver about 1.35V, ideal for vintage cameras. Handle with care due to the toxicity of mercury. To assemble the battery, layer the zinc sheet as the base. Then, … Read more

To make a waterproof marine battery box, use marine plywood and epoxy for durability. Cut and assemble the wood, sealing all edges. Include compartments for wiring and add features like USB ports and power pole connections. Secure the box in your boat to prevent movement and ensure it meets the 12-volt requirements for safety. First, … Read more

To create a magnetic field with a battery, wrap copper wire around an iron nail. Remove the insulating layer from the wire ends. Use clamps to connect the wire to a battery. The electric current will magnetize the nail, enabling it to attract small metal objects like needles and paper clips. Try different wire lengths … Read more

To make a magnetic switch with LED lights powered by a rechargeable lithium battery, connect a reed switch to control the lights. The LED lights will turn on when the switch is activated by a magnet. This simple DIY project can be used for various applications, such as lighting cabinets or displaying jewelry. After connecting … Read more