Trystan Casey
Building an electric Big Wheel is a fun project for adults who want to relive their childhood transportation toys but with a modern EV twist. The key consideration is using electric power, which is now more accessible, instead of an internal combustion engine, which would spoil the look and affect packaging. The frame can be made from steel or aluminum, with plastic body panels mounted on it. The grips on the handlebars should be bigger than life to match the visual scale of the giant Big Wheel, and tiny rearview mirrors can be concealed in the leftover space on the outer edges. The seat can be a low-profile design or a thrift store find, secured to the frame with bolts. Small chunky plastic wheels can be sourced from a broken Power Wheels cart for kids, and aluminum bushings can be machined to fit the wheel openings.
Characteristics and Values Table for Building an Electric Big Wheel
| Characteristics | Values |
|---|---|
| Frame | Steel or aluminum |
| Body panels | Plastic or fiberglass |
| Grips on the handlebars | Bigger than life with leftover space on the outer edges to conceal tiny rearview mirrors |
| Seat | Low profile and inexpensive |
| Wheels | Enormous 30-inch diameter front wheel and small chunky plastic wheels at the back |
| Power | Electric |
| Build | DIY or salvaged parts |
| Cost | Inexpensive |
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What You'll Learn
- Design: Decide on the look and feel of your electric big wheel
- Materials: Source parts, including a chair for the seat and a bike frame
- Assembly: Cut and modify the bike frame, and attach the seat
- Motor: Choose between an internal combustion engine or electric power
- Finishing touches: Add mirrors, a GPS screen, and test your creation
Design: Decide on the look and feel of your electric big wheel
Designing your electric big wheel involves more than just aesthetics—it's about functionality and comfort, too. Here are some considerations to keep in mind as you decide on the look and feel of your electric big wheel:
Frame and Body
Start by considering the frame and body of your electric big wheel. You could opt for a steel or aluminum frame, which provides a sturdy base for your vehicle. Plastic body panels can then be mounted onto the frame, giving you flexibility in the design and look of your big wheel. Fiberglass panels can be a good starting point, with the option to mold custom panels once you've refined your design.
Proportions and Rider Position
The proportions of your electric big wheel are crucial, especially when considering the rider's position and comfort. Unlike a traditional Big Wheel toy, where the rider's feet are close to the front wheel, your electric big wheel will require a different setup since it won't be pedal-powered. Consider a design similar to the Big Wheel Harley, where the rider sits lower to the ground and their feet are positioned further back.
Handlebars and Grips
The handlebars and grips play a significant role in the overall design and functionality of your electric big wheel. To match the visual scale, opt for oversized grips that extend beyond the actual handgrip area. This extended space can be creatively utilized to conceal small rearview mirrors, enhancing the rider's awareness and safety.
Color and Customization
Don't forget the fun part—personalizing the look of your electric big wheel! You can choose a color scheme that speaks to your style or even pay homage to classic toys, like a red, yellow, and blue Brady Bunch-era tricycle. Additionally, consider adding decals or logos that reflect your personality or the theme of your creation.
Practicality and Safety
While the design process allows for creativity, it's essential to keep practicality and safety in mind. Consider the height of your electric big wheel, especially if you plan to ride it on public roads. A vehicle that sits too low to the ground may be difficult for other drivers to see, so a slightly elevated design may be more suitable for everyday use.
Remember, your electric big wheel should not only look impressive but also provide a comfortable and safe riding experience.
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Materials: Source parts, including a chair for the seat and a bike frame
To build an electric big wheel, you will need to source parts, including a chair for the seat and a bike frame. Here's a list of materials you will need:
- A bike frame: You can use a steel or aluminum frame, which will serve as the base of your electric big wheel.
- A chair for the seat: Look for an inexpensive chair that can be modified to fit the frame. Drilling holes in the chair and securing it to the frame with bolts will help attach the seat.
- Electric motor: Choose a front or rear-wheel electric motor kit, depending on your preference. The front-wheel option may be easier to modify, while the rear-wheel option often includes a pedal-assist system.
- Batteries: These will be installed in a fabric carrying bag above the rear wheel, along with the motor driver. The bulk of the weight in your conversion will come from the batteries, so consider their placement carefully.
- Wheels: You can use standard bicycle wheels or, for a more playful look, try chunky plastic wheels from a children's Power Wheels cart.
- Handlebars: For an electric big wheel, you may want to use handlebars with oversized grips to match the scale of the vehicle. This can also provide space to conceal tiny rearview mirrors.
- Paint: Before installing the seat and wheels, use spray paint primer and flat black spray paint to give your electric big wheel a sleek, uniform look.
- Additional parts: Don't forget the smaller parts, such as bolts, nuts, washers, screws, and zip ties, which will be essential for assembling and securing the various components of your electric big wheel.
Remember to plan out your design and modifications before beginning the build process, and always follow safety guidelines when working with power tools and electrical components.
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Assembly: Cut and modify the bike frame, and attach the seat
To build an electric big wheel, you'll need to start by cutting and modifying a bike frame to fit your new design. Here's a step-by-step guide to help you through the process:
First, source a second-hand BMX bike frame, which will serve as the base for your electric big wheel. Using a portable metal bandsaw, carefully cut the frame, ensuring you have enough additional tubing to work with for the next steps. This step requires careful measurement and planning to ensure a precise cut that accommodates the dimensions of your chosen seat and other components.
Next, you'll want to modify the bike frame to fit your design specifications. This may involve additional cutting or welding to adjust the frame geometry to accommodate the larger wheels and electric motor. Consider the placement of the seat, battery, and motor, ensuring there is enough clearance and structural integrity to support these components.
Now, let's move on to attaching the seat. You can source a pre-made low-profile seat or, for a unique touch, repurpose an inexpensive chair from a thrift store. If you go the chair route, you'll need to drill holes into the seat and countersink the openings. These holes will correspond to the steel frame underneath, and long bolts will be used to secure the seat in place.
Before securing the seat, you may want to paint or decorate the frame to give your electric big wheel a personalised touch. Once the paint is dry, carefully align the holes in the seat with the steel frame and insert the bolts. Tighten them securely, ensuring the seat is firmly attached to the frame.
Finally, double-check that the seat is securely attached and perform a test ride (if possible) to ensure it can withstand the weight and rigours of riding. Remember to wear appropriate safety gear and proceed with caution during this test phase. With these steps completed, you'll be well on your way to having a functional and stylish electric big wheel!
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$1399
Motor: Choose between an internal combustion engine or electric power
When it comes to choosing a motor for your electric Big Wheel, you have two main options: an internal combustion engine or electric power. While the idea of a Big Wheel with the throb of a twin-cylinder internal combustion engine may appeal to some, there are a few drawbacks to consider. For one, fitting an internal combustion engine into a Big Wheel could spoil the look and affect the packaging. Additionally, it might look a bit too cartoonish, like those shopping carts with small block V8s.
On the other hand, modern EV technology offers a more realistic option for powering a Big Wheel. With the proliferation of EV bikes, electric power is becoming more accessible and could be a better choice for those who don't want to desecrate the iconic image of a traditional Big Wheel. Additionally, EV technology provides more flexibility in terms of design and packaging, allowing for a more compact and sleek overall look.
When it comes to electric motors, there are a variety of options available on the market. For example, eBikeling offers high-performance electric hub motor wheels in popular sizes like 20", 26", 700C, and 24". Their motors range from 36-48v and offer extended range and reliability. Other brands also offer electric hub motors that can be purchased online through retailers like Amazon.
When making your decision, consider the ease of installation, maintenance, and availability of replacement parts for your chosen motor type. It's also important to keep in mind the overall design and aesthetics of your Big Wheel, ensuring that the motor complements the look you are aiming for. Whether you choose an internal combustion engine or electric power, make sure to prioritize safety and follow all local regulations and guidelines for operating and registering your custom-built vehicle.
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Finishing touches: Add mirrors, a GPS screen, and test your creation
Now that your electric Big Wheel is assembled, it's time to add the finishing touches! These final steps will enhance the functionality and aesthetics of your creation.
Add Mirrors and a GPS Screen
Firstly, let's talk about mirrors. For your electric Big Wheel, consider adding rearview mirrors to improve visibility and safety. You can conceal tiny rearview mirrors in the leftover space outside the grips on the handlebars, as suggested by bike expert Mercedes Streeter. This unique design integrates the mirrors seamlessly into the overall look of your Big Wheel.
When it comes to the GPS screen, you have several options. If your Big Wheel already has a built-in screen, you may simply need to update the software or download new maps to access GPS navigation. Alternatively, you can utilize Android Auto or Apple CarPlay to connect your phone to the screen and access GPS applications. If you don't have a built-in screen, you can explore adapters and external devices that can project GPS onto a compatible screen. Remember to consider the size and placement of the screen for optimal visibility and convenience.
Test Your Creation
Once you've added the mirrors and GPS screen, it's time to test your electric Big Wheel! Find a safe, open area to try out your new ride. Start by adjusting the seat to a comfortable height and position. Familiarize yourself with the controls, including the brakes, acceleration, and steering. Practice riding in a straight line, making turns, and stopping smoothly. Test the mirrors to ensure they provide adequate visibility, and adjust them if needed. Fine-tune the GPS screen's settings and explore its additional features, such as traffic alerts, music access, or voice commands.
As you test your creation, pay attention to how the Big Wheel handles and make any necessary adjustments to ensure a comfortable and stable ride. Check that all components, including the battery, motor, and wheels, are functioning properly. Take note of any unusual noises or vibrations and address them promptly. Remember always to wear appropriate safety gear, including a helmet, when testing and riding your electric Big Wheel.
Congratulations! You've built your very own electric Big Wheel, complete with mirrors and a GPS screen. Now, you can enjoy the thrill of riding your unique creation while staying connected and informed during your journeys.
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Frequently asked questions
You will need a steel or aluminium frame, plastic body panels, a wooden chair for the seat, and chunky plastic wheels. You will also need a motor, battery, and electric bike components.
First, source a horse bike or BMX bike and separate the horse from the bike frame. Cut the frame down to size using a portable metal bandsaw. Drill holes into the seat and countersink the openings to attach it to the steel frame using long bolts. Attach the wheels and motor, and secure the horse to the frame using screws and zip ties. Finally, calibrate the brakes and test your electric big wheel.
You should use an electric motor instead of an internal combustion engine to power your big wheel. A V-Twin engine may be too cartoonish for this project. Consider using a 10mm croc motor or a 3D-printed motor from an online supplier.
The grips on the handlebars should be bigger than usual to match the visual scale of the big wheel. You can use the leftover space on the outer edges of the handgrips to conceal tiny rearview mirrors. Keep in mind that the rider's feet will need to go further back than on a traditional big wheel, so adjust the frame proportions accordingly.
