Talk:Vertical loop
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Are y'sure L'Hospital's quinticde l'hospital/quintique de l'hospital.shtml doesn't get used? (Wish I knew its English name.) 142.177.24.163 03:49, 19 Aug 2004 (UTC)
[edit] corkscrew vs revolution
the corkscrew at knott's berry farm also claims to be the first modern steel looping coaster, also opened in 1975. Anyone who knows which is true could maybe put a note in explaining the discrepancy? wimbledon andy 14:28, 24 August 2006 (UTC)
[edit] High G-forces really the cause for injuries?
Were the high G-forces (>6 G) of a circular loop really the main source for injuries? I would suspect another mechanism: If the a more or less straight track is followed by a circular loop there not only a sudden onset of maximum G-forces but also an extreme angular acceleration: The car (and the passenger sitting inside) is forced to a fast rotation at once. Due to inertia the passenger's head is pulled foward when the loop starts and forced backwards at the exit. Especially the forward pull may cause neck injuries similar to those after a (moderate) car crash. The "Thriller" coaster is an example that near-circular loops are possible if the entrances and the exits are made clothoide-shaped. The G-forces of 6.5 G were slightly higher than at the "Nessie"-Loop (Hansa-Park Sierksdorf, Germany, 5.6 G) or the Olympia Looping (5.2 G).--SiriusB 14:59, 23 October 2007 (UTC)
[edit] Parametric Graph?
What is the purpose of this graphic? Either it has a purpose in explaining the clothoid loop and should be mentioned in the article or it doesn't and should be removed. Riph (talk) 06:34, 24 January 2008 (UTC)
- I've removed it. The term "clothoid" has led to confusion, we should not use it unless it can be properly backed up with an etymology and parametric equation; whatever it is, it is not a Cornu spiral! -- The Anome (talk) 11:02, 13 March 2008 (UTC)
