The Design – NoLimits 2 to Solidworks
The XYZ Coordinates are exported from NoLimits Coaster Simulator into Microsoft Excel for scaling. After scaling the points are then imported into Solidworks as curves that will then be modeled into track pieces.
Th Final Design:
The Finished Product:
The train design consists of a six car train connected with lego universal joints and ball bearings. The running wheels, upstop, and side wheels are M3x8x3 ball bearings. The following image shows the front five cars of the first iteration of the train design.
The station houses a working gate system and restraint mechanism per train car. Each car has its own servo motor integrated into the track structure to release the passenger restraints.
Electronics – Arduino
The electrical system of the coaster was controlled by an Arduino Mega powered by a 12V PSU. The logic was programmed withe Arduino IDE.
The Build – 3D Printing and Assembly
Track pieces being bolted together similar to real coaster construction. This first track iteration caused too much vibration as the train moved along the 3d printed rails. The second iteration of the track design incorporated butyrate tubing that was then glued to the cross ties.
The support structure was built with dowel rods that were glued to 3d printed interfaces. The structure would then hold the track in place.
The latested build of Invertigo incorporated Butyrate tubing that was glued together with J-Clamps. These clamps provided support while the glue was setting in place.
Test Verification – Running the Train
Testing the train with the Invertigo program took some time to develop and then debug. Testing took place daily until the final sequence was perfected.
A POV drone camera can be mounted into a variation of the train car. The following video shows a full run through with the camera mounted.
Completion – Final Photoshoot
Build Invertigo with a 3d Printer
Follow the link below to MyMiniFactory to download all the track, support, and train .stl files to build your own working model roller coaster!
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