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STONES & ICE

STONES & ICE. Programs and Services. Aberdeen 2009-12-06. STONES. Stone information during the open forum this afternoon. ICE. We need a better definition than:. “ Fast and swingy”. to hand over to the Chief Ice Technicians we use. ICE. WCF’s Definition of Competition Ice :.

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STONES & ICE

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  1. STONES & ICE Programs and Services Aberdeen 2009-12-06

  2. STONES Stone information during the open forum this afternoon

  3. ICE We need a better definition than: “Fast and swingy” to hand over to the Chief Ice Technicians we use

  4. ICE WCF’s Definition of Competition Ice: The ice has to be keen and honest. The ice should have a movement and speed that gives advantages to the player's skill and also gives the guarantee of an interesting game.

  5. Differentmovements Parabolic curl 4 feet guard on 2 meters Aggressive curl with dive 4 feet guard on 0,5 meters Aggressive curl with no dive 4 feetguard on 0,5 meters

  6. ICE The WCF demands these Ice Conditions: • The curl should be between 4 and 5 feet (no more, no less) and with aggressive movement without “dive” at the end. • The speed should be between 24-25 seconds (no more, no less) hog line to tee line. • The surface should be keen and easy to sweep. The above conditions should stay during the whole competition To be a WCF Chief Ice Technician these demands should be followed.

  7. Technical requirements for good playing and environmental conditions in a new curling rink How to build a curling rink (on the way) CIE handbook ICE (Curling Ice Explained) Technical advice for good playing conditions in curling rinks(Documents) WCF SUPPORT

  8. HOW TO BUILD A CURLING RINK Based on Norwegian building traditions and Norwegian costs. NEED: An English speaking volunteer with technical background. Notify: Leif Öhman

  9. HOW TO BUILD A CURLING RINK International manual for all our members Technical requirements are already available STILL NEED: An English speaking volunteer with technical background. Notify: Leif Öhman

  10. Facilities (8 curling rink projects) Stones (5200 stones) Equipment (20 Scrapers) WCF SUPPORT Economic support

  11. The board is working on a new strategy how to give economic support to the member associations in this area WCF SUPPORT Economic support

  12. R&DResearch & DevelopmentSTONES & ICE WCF and SCF in the drivers seat (Per Näsman, ECF board is also in the SCF-R&D group) Aberdeen 2009-12-06

  13. R&D STONES • R&D about stones is presented during the open meeting this afternoon

  14. R&D ICE • This gives wet friction On the top of all ice crystals there is an extreme thin water-like film As colder as thinner A hair is approx. 50 um thick = 500-50 000 ggr thicker than the water film Thin watery film app. 0,002-0,1 um Hair Ice Crystal

  15. R&D ICE • Wet friction is a prerequisite to have a curling stone to curl. • But why will a curling stone curl?

  16. R&D ICE • On wet friction surfaces the friction coefficient changes with the speed and the temperature

  17. R&D STONE CURL Stone curl Stone curl Stone speed Stone speed Curl

  18. R&D STONE CURL Stone curl Stone curl Resulting Stone speed Curl Resulting Stone speed

  19. R&D THE GAME Measuring stone positions automatically using camera Development and testing in progress

  20. THE END • (questions)

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