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Roll cages are a vital safety feature of motorsport vehicles and are increasingly seen in modified road cars. They are designed to protect occupants by reinforcing the car’s frame, especially in the event of a rollover. Here, we’ll explore how roll cages are installed, detailing the process for those considering this significant modification.
Primarily, roll cages serve to enhance the structural integrity of a vehicle during impacts. In motorsports, where the risk of high-speed accidents is greater, a roll cage can be the difference between life and death. For road vehicles, especially those modified for performance or partaking in amateur track days, roll cages offer an added layer of safety, albeit with some trade-offs in terms of weight and everyday usability.
Before installation, it’s important to choose the right type of roll cage. There are generally two categories; bolt-in and weld-in. Bolt-in cages are considered less permanent and can be removed or adjusted as needed. They are easier to install but might not provide as rigorous protection as weld-in cages, which are permanently integrated into the vehicle’s chassis.
Installing a roll cage begins with thorough preparation. The vehicle’s interior must be stripped down to the bare essentials. Seats, interior trim, and often the carpet must be removed to expose the car’s chassis. This ensures that the roll cage can be fitted tightly against the vehicle’s frame, which is crucial for its effectiveness.
Each roll cage must be tailored to the specific model of the car. This involves precise measurements and sometimes custom fabrication. For weld-in cages, the process is particularly meticulous, as the cage must be welded directly to strong points on the chassis, such as the floor pans and pillars. The precision in this stage is critical as it directly impacts the safety and performance enhancements the cage provides.
For bolt-in cages, once the car is prepared and the roll cage is correctly sized and adjusted, the installation can proceed by securing the cage at its mounting points. These points usually include areas around the dashboard, door frames and rear seating area. High-strength bolts and plates are used to ensure a secure fit.
Weld-in cages require more expertise and equipment. The process involves not only positioning the cage precisely, but also welding it at multiple contact points. After welding, it is typical to treat the metal to prevent corrosion, which can involve both priming and painting.
Once the cage is installed, final adjustments are made to ensure no movement or rattling occurs. The vehicle’s interior is then partially or fully reassembled, depending on the intended use of the car and the type of roll cage installed. For many track cars, much of the interior will be left out to save weight and accommodate racing equipment like harnesses and fire extinguishers.
Installing a roll cage is not a light task and requires significant preparation, expertise, and adjustment to ensure safety and functionality. It’s a modification that changes the character and use of a vehicle, predominantly tilting it towards performance and safety, sometimes at the expense of some practical aspects. Whether for professional racing or enhancing a road car’s safety on track days, a custom roll cage is an indispensable investment in your safety.