4 ms·

AD seem to have been able to make the pitch flow quite alright, but dropped the ball on the roll movement. Shame—the ride per se looks exciting just from the vi

• Sohcahtoa82 5y ago
  The other problem Arrow had was the lack of heartlining. That is, the axis of rotation when banking. For optimum comfort of the rider, when the track banks, the center of rotation should be at the rider's chest. Arrow fails to do this, and places the center of rotation between the rails. This causes any banking to create a significant lateral force on the rider, which whips the rider's head into the over-the-shoulder retraint. In a proper heartlined roll, the track appears to "slip" from under the train, like this: [0] In the video I linked, the turnaround after the two vertical loops was particularly brutal and painful. What makes it even worse is a poor design of the wheel assemblies. The wheels on the inside of the rail that keep the car centered are designed to allow a small gap between them and the rail, and they're not spring-loaded or dampened in any way, which causes extreme levels of hunting oscillations [0]. Their roller coaster Drachen Fire [1][2] was so rough and painful that they stopping running the ride out after only 6 years. [0] https://rcdb.com/3475.htm#p=42548 https://rcdb.com/3475.htm#p=42548 [1] https://en.wikipedia.org/wiki/Hunting_oscillation https://en.wikipedia.org/wiki/Hunting_oscillation [2] https://youtu.be/zhtZLRZ4p8w https://youtu.be/zhtZLRZ4p8w [3] https://rcdb.com/112.htm https://rcdb.com/112.htm