3D Printed Functional Roller Coaster - Stunt Fall

This functional scale model of the iconic Giant Inverted Boomerang took almost 3 years to design, print and build. The train is powered through the whole track by a single DC motor; resulting in a very realistic ride sequence!

More than 1500 parts were individually printed, resulting in a model of 1.8 meters wide and 1.2 meters tall. Two Arduino controllers make sure that the roller coaster works as intended. The landscaping, including trees, the queue line, and decorative elements, brings the scale model to life.

This project enabled me to combine two hobbies: roller coasters and 3D printing. The whole process of designing, printing and building was very fun but taught me some very valuable lessons as well. Implementing a mechanism to power the train realistically was one of the biggest challenges I faced.

Many thanks to everyone who followed this project along!

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Some features of this scale model:
• Gates will open and close when the train is in the station;
• The loading platform lowers when dispatching the train;
• Pulleys start to rotate when the train is lifted to the highest point;
• The train is actuated through the whole layout by a thin thread. This thread is actuated by a DC motor which is controlled by a Arduino controller;
• 6 (reed) sensors in the track keep an eye where the train is, so that it can adjust its speed according to the layout.

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Links:
• Building process (Dutch) - https://forum.pretpark.club/d/873-gia...
• Thuisbouwers #3 (Sven Arnouts) -    • Een 3D-geprinte achtbaan!? | Thuisbou...  
• Music -    • Upbeat Creative Future Pop by Infract...  

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