Posts by Corey Rasmussen

Roller Coasters can be dangerous. When accidents happen, they are to be taken very seriously. Root causes need to be found and addressed. There was an incident on the Black Widow where the bogie...

In college we learned all about torsion and the polar moment of inertia. However, school can be over simplified at times. A colleague and I learned this the hard way. We were designing a 20 foot...

Rodless cylinders is a cylinder without a rod. It seems like a stupid idea because if there isn't a rod, how does it do work? I accidentally discovered the concept of a rodless cylinder a few...

As technology improves, mechanical designs have become sleaker and more compact. One exception has been electric motors. For decades, the shape and form factor of a motor has remained constant. ...

Well, the capstan just isn't holding up well enough and the rope is wearing out. Its time to improve the design. Let's look at one of the greatest launch systems in existence for guidance: Top Thrill...

If you've ever ridden it, you know the mere 17 second ride on Top Thrill Dragster is nothing less than perfection. You are accelerated to 120 mph (193 kph) in under 4 seconds and then rushed over a...