Caspar Badrutt some Englishmen adapted a type of delivery sled for daring dashes down twisting narrow streets of St. Moritz. Subsequently, other tourists wanted a Victorian ride, and larger steerable devices were contrived: the early luge/skeleton individual sleds, and the bobsleigh (or bobsled). Careening around the town's streets became increasingly popular, but the incidence and frequency of pedestrian collisions and risk to life grew proportionately. Therefore, Badrutt stepped in and created the first purpose-built half-pipe track, now familiar from the Winter Olympic Games. This track later became the model for the Cresta Run skeleton racing track, built in 1884. Caspar Badrutt Swiss
Bobsled roller coaster Bobsled roller coaster A bobsled roller coaster is a roller coaster that uses a track design that is essentially a "pipe" with the top half removed and has cars that are sent down this pipe in a freewheeling mode. The name derives from the great similarity to the track design used for the winter sport of bobsleigh. Most modern bobsled roller coasters are made of steel; however, the first bobsled coasters, known as "Flying Turns", were made of wood. On Oct 4, 2013, after seven years of construction, Knoebels in Pennsylvania opened the world's only modern wooden flying turns coaster,