Posts by Corey Rasmussen

So we are reworking the Widow's Revenge to actually work. And we are getting close, very close. In the meantime, I wanted to show you the launch system and the brake needed to hold the cart in...

So I messed up. Well at least for AC driven electromagnets. It turns out that everything I told you in Part 4 flips when we change voltage polarity. This is definitely going to change how our linear...

If you have taken on the challenge of building a backyard roller coaster, congratulations! However, you've probably spent way more time on the track design than the cart. Well the cart is more...

As an engineer and coaster builder, things don't always work out the way you plan. Well, that is definitely the case with the Widow's Revenge Backyard Roller Coaster. What makes it worse is that it...

Have you ever wondered if there is an ideal location to put your shelf supports? Well, of course not, you're normal. But if we look at it mathematically….. https://youtu.be/U3r1jAM3Wto

There have been several times in my engineering career that I have needed to limit the force a mechanism can produce, but still allow for unpredictable amounts of deflection. This is very useful in...