The Ultimate Guide to Motorcycle Reverse Gearboxes
Motorcycle reverse gearboxes are essential components for anyone looking to enhance their motorcycle-powered vehicle’s functionality. These gearboxes allow riders to back up smoothly, making maneuvering in tight spaces much easier. This guide provides an in-depth look at the types of reverse gearboxes available, their applications, and technical specifications, ensuring you have all the information needed to make an informed decision.
| Type | Application | Torque Capacity | Weight | Special Features |
|---|---|---|---|---|
| Fleming Engineering | Motorcycle engine powered cars | 120 ft-lbs | Not specified | Compact design with concentric shafts |
| Elite Racing Transmissions | Motorcycle powered trikes or cars | 300 ft-lbs | Not specified | 30% stronger materials, REM Superfinished |
| Roadstercycle | Custom motorcycle powered cars | 500 hp | 15 lbs | Lightweight, complete with shift lever |
| Quaife QBE35G | In-line powertrain installations | Not specified | Not specified | Straight-through operation, compact design |
| PTL Racing RPM | High-performance applications | Not specified | Not specified | Designed for racing environments |
Understanding Motorcycle Reverse Gearboxes
Motorcycle reverse gearboxes are designed to facilitate backward movement in vehicles powered by motorcycle engines. These gearboxes are particularly useful in applications like trikes and motorcycle-powered cars, where reversing can be challenging due to weight and balance. Unlike traditional motorcycle transmissions, reverse gearboxes provide a dedicated mechanism for reversing, enhancing overall control and maneuverability.
Importance of Reverse Gearboxes
The addition of a reverse gearbox plays a significant role in improving the usability of motorcycle-powered vehicles. Many builders and enthusiasts face the challenge of reversing their creations, especially in tight parking situations. A reverse gearbox eliminates the need for physical effort to push or pull the vehicle backward, allowing for a smoother and more controlled experience.
Types of Reverse Gearboxes
- Mechanical Inline Gearbox
- Commonly used in motorcycle-powered trikes and cars.
- Offers a straightforward installation with a 1:1 ratio in forward drive.
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High torque capacity ensures compatibility with powerful engines.
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Compact Gearbox
- Designed for installations where space is limited.
- Features concentric shafts for better alignment and installation options.
- Typically rated for lower torque but ideal for lightweight setups.
- Heavy-Duty Gearbox
- Built for racing applications and high-performance motorcycles.
- Capable of handling extreme torque and horsepower.
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Often constructed from advanced materials to enhance durability.
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Custom Solutions
- Tailored to specific needs of builders and enthusiasts.
- May incorporate unique features based on vehicle design.
- Can range from lightweight to heavy-duty configurations.
Applications of Reverse Gearboxes
Motorcycle reverse gearboxes find their applications in various setups. Below are some common use cases:
Motorcycle-Powered Cars
Motorcycle reverse gearboxes are essential for builders creating vehicles powered by motorcycle engines. These setups often require a robust system that can handle high torque and provide reliable performance. For instance, the reverse gearbox from Roadstercycle is lightweight yet capable of handling up to 500 horsepower, making it ideal for custom projects.
Trikes and Specialty Vehicles
Trikes, which combine motorcycle dynamics with stability, benefit significantly from reverse gearboxes. The Elite Racing Transmissions gearbox, designed with motorcycle engine applications in mind, provides a strong and effective solution for these vehicles.
Custom Builds
enthusiasts often explore unique designs that may not fit standard configurations. Custom reverse gearboxes allow builders to optimize their designs, ensuring that balance and functionality are maintained. The compact design of the Fleming Engineering gearbox is one example that offers versatile installation options.
Technical Features Comparison
| Feature | Fleming Engineering | Elite Racing | Roadstercycle | Quaife QBE35G |
|---|---|---|---|---|
| Torque Capacity | 120 ft-lbs | 300 ft-lbs | 500 hp | Not specified |
| Weight | Not specified | Not specified | 15 lbs | Not specified |
| Material Strength | Standard | 30% stronger | Standard | Billet aluminium |
| Compact Design | Yes | No | Yes | Yes |
| Special Features | Concentric shafts | REM Superfinished | Shift lever included | Straight-through design |
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Conclusion
Motorcycle reverse gearboxes are vital components that enhance the usability of motorcycle-powered vehicles. With different types available, each offering unique features and applications, builders can choose the right gearbox to meet their needs. Whether you’re building a custom motorcycle-powered car or a trike, understanding these gearboxes will help you make an informed decision. Consider factors such as torque capacity, weight, and material strength when selecting the best reverse gearbox for your project.
FAQ
What is a motorcycle reverse gearbox?
A motorcycle reverse gearbox is a mechanical device that allows motorcycles or motorcycle-powered vehicles to move backward. It provides a dedicated mechanism for reversing, enhancing maneuverability.
How does a reverse gearbox work?
A reverse gearbox typically redirects the engine’s power to turn the wheels in the opposite direction, allowing for smooth backward movement without the need for physical effort.
What applications use motorcycle reverse gearboxes?
Motorcycle reverse gearboxes are commonly used in motorcycle-powered cars, trikes, and custom builds where reversing is necessary and challenging.
Can I add a reverse gearbox to my motorcycle?
Yes, many reverse gearboxes are designed for installation in custom motorcycle setups, allowing builders to incorporate reverse functionality into their designs.
How much torque can a reverse gearbox handle?
The torque capacity varies by model. For example, the Elite Racing gearbox can handle up to 300 ft-lbs, while the Roadstercycle gearbox is rated for up to 500 horsepower.
Are reverse gearboxes heavy?
Weight varies by design. For instance, the Roadstercycle gearbox is lightweight at just over 15 lbs, while other models may be heavier depending on construction materials.
What materials are reverse gearboxes made from?
Reverse gearboxes can be made from various materials, including standard metals, stronger alloys, and billet aluminium, depending on the manufacturer’s design and intended use.
Do all motorcycles come with reverse gearboxes?
No, reverse gearboxes are not common in standard motorcycles. They are primarily found in motorcycle-powered vehicles and custom builds where reversing is a requirement.
What is the advantage of a compact gearbox design?
A compact gearbox design allows for easier installation in limited spaces, making it ideal for custom projects or vehicles with specific design constraints.
Where can I find motorcycle reverse gearboxes?
Motorcycle reverse gearboxes can be found at specialized retailers such as motorcyclereversegearbox.com, elite racing transmissions, and various custom motorcycle parts suppliers.