Características de las piedras de curling

1. STONES & ICE
Programs and Services
Open meeting Cortina 2010-04-04

2. © World Curling Federation2 |
STONES
4A= 64+2stones WCF 24001B to WCF 24066B new consignment done
4B= 64+2 stones WCF 24101? to WCF 24166?
5A= 80+2 stones WCF 25001A to WCF 25082A new consignment done
5B= 80+2 stones WCF 25101? to WCF 25182?
6A= 96+2 stones WCF 26001? to WCF 26098?
New WCF stone consignments
(384 stones + 10 spares)
4A and 5A are now refurbished to specification A and B following the
new requirements from the WCF.

3. © World Curling Federation3 |
running band inside diameter
running band width
running band area
weight
80+2 stones
New stone consignment 5A
4.5mm (120.6 to 125.1)
1.96mm (5.36 to 7.32)
8.46cm2 (21.54 to 30.00)
0.44kg (18.35 to 18.79)
1.4mm (122.4 to 123.8)
0.15mm (5.53 to 5.68)
0.62cm2 (22.35 to 23.00)
0.22kg (18.20 to 18.42)
Important measurements
for good stone quality
Old stone numbers were WCF 30xx, 32xx and 35xx (Blue Hone inserts)
New stone numbers are WCF 25001 to 25082
Old consignment New consignmentDifferences in:
The “real” running band and the roughness are not yet possible to measure in a
safe way
STONES

4. © World Curling Federation4 |
STONES
Consignment for Mixed Doubles?
Solution: Circulation of stones
Consignment for Wheelchair curling?
Solution: Second insert on other side of
stone consignment 5B

5. © World Curling Federation5 |
STONES
Matching stones by throwing on ice
We need a better method to match stones but
this is still the best one to measure the speed

6. © World Curling Federation6 |
STONES
Curling Stone Footprint Analyzer

7. © World Curling Federation7 |
STONES
Testing in the real world

8. © World Curling Federation8 |
STONES
Result running band analyzerResult rolling pin method

9. © World Curling Federation9 |
Analysis
filename
inner
radius
[mm]
width[m
m]
outer
radius[m
m]
area_band
[cm^2]
area_pixel
[cm^2]
radius[
mm]
Rel.
Outer
Radie Rel. Area Rel. Band
69,80 2,97 13,91
BY1:AL7832 66,4 3,3 69,8 14,2 3,28 68,1 -0,6 104 21,6
BY2:AL7824 66,5 3,4 69,9 14,6 3,21 68,2 1,7 81 47,5
BY3:AL7869 67,0 3,2 70,2 13,7 3,02 68,6 5,3 18 -13,8
BY4:AL7870 66,1 3,2 69,4 13,8 2,94 67,7 -6,2 -10 -7,8
BY5:AL7836 66,4 3,3 69,7 14,1 2,93 68,0 -1,7 -13 14,5
BY6:AL7825 66,5 3,2 69,7 13,9 2,51 68,1 -1,4 -156 -2,9
BY7:AL7830 66,9 3,0 70,0 13,0 2,98 68,5 2,5 1 -64,1
BY8:AL7852 66,6 3,3 69,8 14,0 2,90 68,2 0,5 -25 5,0
Analysis
STONES
When this equipment have been
evaluated this will be used to match
curling stones by speed

10. © World Curling Federation10 |
Next step is to find or invent a machine that can measure
the roughness of the running band and give you the curl
STONES
When we have this we can compare stones both on
speed and curl and do the matching from that result

11. © World Curling Federation11 |
Development and testing in progress
Measuring stone
positions automatically
THE GAME

12. © World Curling Federation12 |
THE GAME
Measuring stone positions

13. FACILITIES &
EQUIPMENT
Technical and financial support

14. © World Curling Federation14 |
TECHNICAL SUPPORT
STAND:
The document will soon be
translated into English. Ready to
use within a month.
Until now voluntary work by
John Burns, Leif Öhman and
Bent Ramsfjell
Based on Norwegian building
traditions and Norwegian costs.

15. © World Curling Federation15 |
International
manual for all our
members
TECHNICAL SUPPORT
Technical and
financial advice for
the construction of
curling rinks

16. © World Curling Federation16 |
Ice technician manual
TECHNICAL SUPPORT

17. © World Curling Federation17 |
TECHNICAL SUPPORT
Following facilities are at the moment on the
list for technical support
• SOCHI, Russia
• Hyvinkää, Finland
• Erzerum, Turkey
• Slavonsk Brod, Croatia
• Iceland
• Mariehamn, Åland, Finland
• (Adelboden, Switzerland)
• (Karuizawa, Japan)
• Härnösand, Sweden
• Jönköping, Sweden
• Latvia

18. © World Curling Federation18 |
Curling in small spaces
TECHNICAL SUPPORT

19. © World Curling Federation19 |
TECHNICAL SUPPORT
Curling Venue in Sochi, Russia

20. © World Curling Federation20 |
Facilities
Stones
Equipment
Economic support
ECONOMIC SUPPORT

21. © World Curling Federation21 |
Animation of the new Curling Rink
in Hyvinkää, Finland
Facilities
ECONOMIC SUPPORT

22. © World Curling Federation22 |
Total amount of loans, $773,000
Remaining today, $293,125
Pay back 2010/11, $78,500
Loans until 2015 just now
Supported projects (8)
Czech Curling Association 50,000
Swedish Curling Association 120,000
US Curling Association 200,000
Netherlands Curling Association 60,000
Danish Curling Association 175,000
New Zealand Curling Association 70,000
English Curling Association 75,000
Estonia Curling Association 23,000
ECONOMIC SUPPORT

23. © World Curling Federation23 |
Economic support for facilities
Loan for a new Curling Rink
ECONOMIC SUPPORT
The amount of money for a possible loan
up to $ 30,000 per sheet.
•No interest
•No repayment for the first 3 years
•Repayment over the next 7 years

24. © World Curling Federation24 |
Policy to provide loans for facilities
•Benefit to Curling in selected country/region
•It has to be a facility dedicated to curling
•Proper long-term assurance that curling will take place in the
facility into the future
•A proper competitive tendering process is required for the
construction work
•A budget must be shown for the project
•Loan only for investment costs (not maintenance costs)
•Must follow the WCF technical standards
•Project requires approval at the planning stage
ECONOMIC SUPPORT

25. © World Curling Federation25 |
Formal process facilities
The decisions will be taken by the Executive Board
Priority to new Member Associations
Only Member Associations can apply
All loans should be 100% assured/secured
ECONOMIC SUPPORT

26. © World Curling Federation26 |
Economic support for stones
Stones
• 100% of cost for curling stones
• No interest
• No repayment for the first 2 years
• Then repayment over next 5 years (DAP money
can be used)
ECONOMIC SUPPORT

27. © World Curling Federation27 |
–New stones supplied 2,362
–Reconditioned stones supplied 2,704
–In stock approx. 32 new and 80
reconditioned stones
–Last season 448 stones were sent out
–WCF Championship stones 384
ECONOMIC SUPPORT

28. © World Curling Federation28 |
Economic Support for ScrapersEconomic Support for Scrapers
–19 loans (US 140,000)
–2 from last season (US 20,000)
–9 fully paid back today (US 67,500)
–Rest: US 72,500 (fully paid 2014)
ECONOMIC SUPPORT

29. © World Curling Federation29 |
Economic support scrapers
Expensive ice equipment (Scrapers etc.)
• 100% of cost
• No interest
• No repayment for the first 2 years
• then repayment over the next 3 years (DAP
money can be used)
ECONOMIC SUPPORT

30. © World Curling Federation30 |
Scrapers
ECONOMIC SUPPORT
Austria – Kitzbuhel
Czech Republic – Prague
England – Fentons, Tunbridge Wells
Spain – Puigcerda / Madrid etc.
Estonia – Tallinn
Finland – Helsinki
Italy – Biella
Italy – Cembra
Latvia – Riga
Netherlands – Zoetermeer
New Zealand – Naseby
Norway - Snaroya
Sweden - Uppsala
Total amount of support, $105,347
Remaining today, $25,339

31. © World Curling Federation31 |
WCF
R&DResearch & Development

32. © World Curling Federation32 |
R&D
WET FRICTION