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#51
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Skate technique USST two cents
It's great to see some serious measuring of skating physics -- thanks for
sharing it, Todd. http://web.mit.edu/afs/athena.mit.ed...i/skating.html Looks like they've attached a good range of sensors to the skates -- and also captured and integrated the measurements in a helpful way. It's not precisely about skiing, but I love inline skates too, so you guessed right -- I'll be giving them a call. It would be fun to try to get them working on questions that could result in more specific analysis than their first experiment (and contrary to their humble assessment, I would be _glad_ for 0.4% accuracy in sensor readings of skating). I liked the direction of their second experiment on vibration: It would be great to see some new mechanical approach to making road skating over rough surfaces more fun. I think the _technology_ for applying this to XC skis is straightforward. (I met some mechanical engineers at U of Utah who could have done much of it ten years ago. Except that they were backcountry skiers -- I had no interest in XC back then, and no idea there were big-time National-team XC racers hanging there in Salt Lake.) With the oil money available to the Norwegian team, I'd be surprised if they haven't already constructed a ski with force sensors under the binding. Real-time force-sensor-analysis to help racers find weak spots in their stroke cycles could become the next "unfair" advantage in World Cup racing. (Actually I'd guess the bigger paybacks are from time-series analysis of fore-center-aft foot-pressure distributions thru the stroke cycle of _Classic_ striding, because of the trickiness of getting both grip and glide thru the same ski). 3) Build something at least as cool as an SRM. 4) Sell it on the Internet to everyone on RSN. Good idea -- but I think I'll wait first to see the blockbuster sales results from Nathan's video and book. Ken |
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#52
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Skate technique USST two cents
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#53
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Skate technique USST two cents
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