How To Build A Snowboard Halfpipe
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Concluding night Olympic snowboarding fans were treated to a thrilling spectacle: America's 17-yr-one-time phenom, Chloe Kim, burdensome her final run with a 98.25 and gaining the golden medal.
Simply before I go to that yes, we're a design blog, so let'south go over how halfpipes are designed and constructed.
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Design
The 2018 Olympic standards telephone call for a 600-foot-long run, an xviii-degree pitch and elliptically-curved walls that are 22 anxiety high and spaced 64 anxiety autonomously from lip to lip.
Every bit involvement in the sport has grown, so too have the halfpipes. [Epitome credit: The Globe & Mail]
The walls should not ascension to dead verticality. The halfpipe at the 2014 Olympics in Sochi was synthetic in that manner, and considered dreadful by the riders; the U.Due south. team's Danny Davis referred to it as "garbage," while Australian competitor Torah Vivid chosen it "roughshod."
Materials
Obviously snow, merely not just any snow: It has to be a consistent blend with "No lumps, dry spots, heavy wet spots," Snow Park Tech president and adept halfpipe builder Chris Gunnarson told NBC. The material consistency is crucial for reasons of safety, and it'south another expanse where Sochi screwed up: On her final exercise run in that location the U.South.A.'s Arielle Golden, and then the defending earth champion, wedged her board into a crash-land on the surface that shouldn't accept been there and crashed. She separated her shoulder and was robbed, past shoddy workmanship, of her take a chance to compete.
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Construction and Equipment
The initial stride can be done in either of 2 ways: The first option is to build an earthen structure that is and so topped with roughly one-half a 1000000 cubic anxiety of snow. The 2nd pick is to use Snowcats to plow existing snow into 2 massive snowbanks.
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No matter which option is selected, both require the same final footstep: The crucial shaping and shaving of the walls into a smooth arc that is consistent down the length of the run.
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Showtime a line is marked on the deck using a rope line and a chainsaw. And so a Snowcat that has been fitted with a massive, elliptical-arc-profile arm containing an articulated augur is used to shave the walls.
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Interestingly, the first machine of this sort was invented by an organic vegetable farmer, Doug Waugh, in the late '80s. An ex-engineer, Waugh's familiarity with both agricultural machines and snowboarding led him to create the Pipe Dragon out of sheer boredom; he was based in Colorado and had enough of farming to practice in the summer and nothing to do in the winter. The Pipage Dragon was a success, sold well and Waugh was hired to create the halfpipe for Nagano in 1998, when snowboarding was showtime introduced to the Olympics.
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In the '90s Zaugg, a Swiss manufacturer of agricultural and snow removal mechanism, designed a competing production called the Pipe Monster that cuts a more elliptical curve. Waugh passed away in 2000 and the Pipe Monster is now the standard.
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Alternating Snowfall-Gathering Method
If you've got admission to Cherry Bull money, as two-time Olympic gold medalist Shaun White does, you can accept guys in a helicopter drop 25-pound explosive charges onto the side of a mount. This induces an barrage that delivers the desired amount of snow down to your piping site. I accept no idea what the ecological consequences are but I'grand hoping they looked into it and deemed it harmless.
And so that's how y'all build an Olympic halfpipe. How do yous get to ride one? Well, now that the design stuff's out of the way, I'1000 glad you lot asked…
How to Become a Take chances to Ride an Olympic Halfpipe
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It'south actually pretty unproblematic. Start, ensure you lot're built-in to a male parent who takes up snowboarding and brings you along when you lot're four. Then, offset snowboarding and be mistaken for a boy. Train for 13 years.
What to Do on an Olympic Halfpipe
Chloe Kim qualified for the 2014 Olympics in contest, but at 13 years old she didn't meet the age requirement.
Now 17, on her offset run at Pyeongchang she scored a stunning 93.75. No one else came close; China'southward Liu Jiayu was in 2nd with 85.l.
On Run ii, Kim attempted to do two 1080s back-to-back, but blew the landing and scored a dismal 41.l. Liu improved to an 89.75.
On Run three, Kim was slated concluding. As each competitor made their runs, none of them exceeded 93.75 or even bankrupt ninety, pregnant Kim was now guaranteed gold, and Run 3 would be a mere formality.
But, as she later told the cameras, "I knew that if I went abode with a gold medal knowing I could do ameliorate, I wasn't going to be very satisfied. I wanted to practise the dorsum-to-back 10s. I wanted to go bigger. That tertiary run was for me to bear witness to myself that I did it, so I could go abode and be happy with myself." Then this was her Run 3:
Congratulations to Ms. Kim!
Source: https://www.core77.com/posts/73316/How-Snowboard-Halfpipes-are-Made
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