Did the Infamous Flip Flap Railway Truly Hit a Neck-Snapping 12 Gs? The Flip Flap Railway was the first roller coaster to go upside down in the United States and was notorious for being so extreme it broke rider’s necks. But was it truly that intense or was it an urban legend passed along from coaster blog to YouTube vlog? Let’s put the myth to the test with a little logic, math, and physics. | Coaster101.com

2.1K views · 12 reactions | Flip Flap Railway was the name of a looping wooden roller coaster which operated for a number of years at Paul Boyton's Sea Lion Park on Coney Island in Brooklyn, New York. The coaster, which opened in 1895, was one of the first looping roller coasters to operate in North America. It was also notable for its engineering as well as the extreme G-forces that this engineering inflicted on riders. | Vintage Everyday | Facebook