It’s Not A 4D Coaster – Silly Freespin

There are certain things that get on my nerves like improper use of FEA and gussets. This is one of them. Most coasters are 4D coasters (Surge, pitch, roll yaw) but the S&S freespins are not 4D. Actually less, 3 Dimension and still a good ride!

Take a few minutes to understand how we calculate degrees of freedom. And yes, they all have names.

Corey Rasmussen

Corey Rasmussen is an award-winning professional engineer (NC and TX) with over 20 years of product design and development experience. He has two patents related to aerial lifts machinery, has advanced certifications in hydraulics and electronic controls, and specializes in designing mobile equipment. Corey is the principal engineer of Rasmussen Designs and is based out of Durham, NC.

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