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Posts by Corey Rasmussen
Simple Way to Form Constant Radius Rails for Your Backyard Roller Coaster
PVC pipe is flexible, but not too flexible. It would take a lot of force to hold it in place if we don’t form it. (It would also take permanent footings to take the load as well.) We don’t want...
Pulley System for Easy Lifting I’ve always wanted to make a “complex system of ropes and pulleys” to do some work. Well this is not complex, but it is a system of ropes and pulleys. Anyway,...
Curved beams are sometimes a necessary evil. Whether it is a link of chain or a banana link, they don't calculate stresses the same as a straight link. After recently designing a banana link, I...
Rail Tie Fabrication The rail tie to rail joint (RTJ) is the most critical area of the coaster. With this we will be paying special attention to all aspects of it. From selecting material to...
No one wants their roller coaster to fly apart as you’re riding it! We need to understand our loads so that we can prevent failure. Using our general calculations, we are able to know what they...
The age old question has finally been answered. Is there an easy way to tell if a number is divisible by 7? Yes there is. The trick is not as easy as say 2, 3 or 9, but much simpler than doing the...