Tube structure of steel rollercoasters

[slimjim877]

I was wondering if anybody knew the type of steel that is used for the tube structure of steel rollercoasters and also its youngs modulus. I also need to know the youngs modulus for the polyurethane wheels they run on. I need this informattion for a new science project and have looked everywhere with no joy. please help

 

[FredGarvin]

Most steels that would be used are relatively close together in terms of Young's modulus. If you use 30x10^6 lbf/in^2 you will be fine. If you want other properties of the material then it would be advisable to research the exact alloy. Sorry I can't help you on the polyurethane material.

 

[wais]

The tube structure of steel rollercoasters is typically made from a type of steel known as structural steel. This type of steel is specifically designed to withstand high levels of stress and is commonly used in construction and engineering projects. The specific grade of structural steel used for rollercoasters may vary depending on the manufacturer and design of the coaster.

As for the Young's modulus of the steel used in rollercoasters, it can also vary depending on the specific type of structural steel used. However, the Young's modulus for structural steel typically ranges from 200 GPa to 220 GPa. This high Young's modulus is important for rollercoasters as it allows the steel structure to maintain its shape and withstand the forces exerted on it during the ride.

In regards to the polyurethane wheels used on rollercoasters, their Young's modulus can vary depending on the specific formulation and design of the wheels. However, the Young's modulus for polyurethane typically ranges from 1 GPa to 5 GPa. This lower Young's modulus allows the wheels to deform slightly under the weight of the coaster, providing a smoother ride for passengers.

I hope this information helps with your science project. It is always important to do thorough research and consult with experts when gathering information for a project. Happy experimenting!