1/30/2024 0 Comments Cog railroadBased on the successful ski lift application, no further clutch manufacturers were considered. Product documentation and honesty was key in our decision.”ĭuring the early phases of the sprag clutch system development, LaPrade visited Bretton Woods (a ski area located nearby and formerly owned by the owners of the Cog Railway) to view a Formsprag clutch that was installed on a chairlift carousel. Compared to competitors, the clutches also appeared to be thoroughly tested and engineered to give us confidence in using them in our application. “Formsprag had the most engineering information available for our reference. According to Caleb Gross, Mechanical Engineer at the railway, the Formsprag clutches were chosen for several reasons. Units are grease-lubricated with steel labyrinth seals and feature PCE sprags with Formchrome® and Formsprag“Free-action” retainers.įormsprag FSO clutches were selected to meet the challenging backstopping application requirements and are currently installed on every coach in the fleet. Model FSO 800 clutches have a torque capacity of 13,000 lb.ft. In addition, the ratchet could not be trusted as an emergency stop mechanism because if it were suddenly applied with any speed, it would either bend the pawl, break a crossmember, a bearing, or worse, an axle shaft. The bothersome “dinging” noise created by the older ratchet system during the entire trip up the mountain was a major passenger complaint. In 2001, LaPrade also designed the unique sprag clutch system installed on the passenger coaches that replaced the original ratchet-pawl system in use since the late 1800’s. The locomotive was built entirely on-site by the Cog’s shop crew. The railway’s first diesel-powered locomotive was designed primarily by Al Laprade, now retired and serving as a consulting mechanical engineer. The railway fleet currently consists of a pair of steam locomotives, seven biodiesel locomotives and seven passenger coaches. The 6-mile, 3-hour round trip features an average grade of 25% (some sections approach nearly 38%). A directly measured surface wind speed of 231 mph is a Northern and Western Hemisphere record. above sea level, the mountain experiences some of the most extreme weather conditions in the world with wind chill temperatures down to -102✯. The Corcovado Cog Railway is one part of our once-in-a-lifetime trip, the "Grand Rail Tour of Brazil.The famous Mount Washington Cog Railway in New Hampshire has been transporting visitors to the highest peak in the Northeastern US since 1869. Prior to that, local farms used the Tijuca Forest region to grow sugarcane and coffee. Emperor Dom Pedro II initiated the forest project in 1861. The human-made Tijuca Forest is a tropical rainforest in the city and one of the world's largest urban forests, covering some 32 km². Visitors can reach the Corcovado Mountain summit either via the cogwheel railway or by taking a car through the Tijuca rainforest. The statue is built in art deco style and is 30 meters (98 ft) tall, with horizontally outstretched arms spanning 28 meters (90 feet). Not only does the visitor enjoy breathtaking panoramic views of one of the most beautiful cities in the world, but the up-close experience of the iconic Christ The Redeemer statue is no less unforgettable. Corcovado Mountain with the "Christ the Redeemer” Statue and the railway line in front Visiting the Corcovado MountainĬorcovado Mountain is one of Brazil's most famous sights and is for many travelers one of the main reasons to visit Rio de Janeiro.
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