Ellis Gibson (B.Sc. in Mechanical Engineering)

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 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 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

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 magnet, tightly wrap copper wire around a nail. Connect the wire ends to a battery. Ensure you wrap in the same direction. Test your magnet by picking up paper clips. You can experiment by adding more wire or using a larger nail to increase the magnet’s strength. Always prioritize safety when handling … Read more

To make a magnet with a car battery, wrap copper wire around an iron nail. Connect the wire ends to the battery terminals. Ensure tight coils for better performance. The battery supplies 12 volts, powering the electromagnet. Always follow safety precautions to prevent overheating during construction. First, gather materials. You need a copper wire, a … Read more

To make a magnet, follow these clear instructions. Wrap copper wire tightly around a nail, keeping the wraps in the same direction. Connect the ends of the wire to a battery. Test your magnet by picking up paper clips. For a stronger magnet, use more wire or a larger nail. This increases the magnet’s strength. … Read more