Video-Initial Drop Retracking for Our Backyard Roller Coaster

If you ain’t screwing up; you ain’t doing anything.

Believe it or not, I have a written goal of to “fail” once a day. Yep, we learn more from our failures than from our successes, so why not fail more?

This time, it was in calculating and building the proper bank in the first valley. I knew what the calculations said I should do, but didn’t do it because I thought I knew better. I believed that my dive angle would make up for the lack of bank.

Rides like Top Thrill Dragster and Viper as Six Flags Magic Mountain are evidence that at a steep enough dive, you don’t need to bank the track. Well, my drop was no where near steep enough to compensate. – Design Error

The second error was just a lack of roller coaster design experience that I have since gained. (There is plenty more to learn, don’t worry). This was determining what radii to work with and how to support and address the actual construction of the project.

The result was 3 days of tearing up the old track and reconstructing it to a 53 degree bank angle. Enjoy!

Corey Rasmussen

Corey is the Managing Director of the Mentored Engineer and owner of Rasmussen Designs. He received his BSME from Baylor University and holds a professional engineering license in North Carolina and Texas. He has been an engineer since 2002 with extensive experience in engineering design, fabrication and troubleshooting. He specializes in mobile equipment, hydraulic systems and machine design. He has two patents

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