Proposal 28: Adding a new Rule 2D.11 Wind Measurement [ Revision 8 ]
Committee: TrackSubmitted on 2023-08-15
Status: Passed on November 03, 2023
Background
Wind has an extreme influence on the results in many disciplines, so it is necessary to make this influence visible for the riders by measuring the wind and having the possibility to publish the values with the results. At the same time, for the recognition of world records, it is necessary to limit an advantage due to tailwind, which is why a wind measurement is also mandatory here. This proposal describes a wind measurement for corresponding disciplines.
Proposal
Proposal for the new rule:
Editorial note: This proposal is only for the wind measurement in the track disciplines described in 2B - the Track Committee recommends that the Jumps Committee also introduce rules for Long Jump on track, reference can be made to these rules if necessary.
2D.11 Wind Measurement
It is recommended to measure the wind speed for 100 m, 200 m, One Foot, Wheel Walk, Track Coasting and Track Gliding since tailwind can have a significant influence when the track is not ridden at least once complete. For Unicons such wind speed measurement is required. For World Records to be valid, there may not be a tailwind averaging more than 2 m/s during the period specified below. The following rules apply to wind measurement:
1. All wind gauge equipment must be IUF approved and manufactured and calibrated according to international standards. The accuracy of the measuring eqipment used in the competition must have been verified by an appropriate organisation accredited by the national measurement authority.
Note: All WorldAthletics certified devices are approved.
2. Non-mechanical wind gauges must be used.
3. The wind gauge should preferably be started and stopped automatically and remotely, and the information conveyed directly to the competition computer. A manual start and stop should only be performed if there is no other possibility. In any case, the responsible judge needs a separate instruction for the correct operation of the wind gauge.
4. The wind gauge must be read in meters per second, rounded to the next higher tenths of a meter per second, unless the second decimal is zero, in the positive direction. Gauges that produce digital readings expressed in tenths of meters per second must be constructed so as to comply with this rule.
Explanation: This means that a reading of +2.03 m/s must be recorded as +2.1 m/s; a reading of -2.03 m/s must be recorded as -2.0 m/s.
5. The wind gauge is placed beside the straight, adjacent to lane 1 and 50 m from the finish line (200 m and 100 m) respectively 25 m from the finish line (One Foot and Wheel Walk). During the Track Coasting and Track Gliding the wind gauge is placed beside the straight, adjacent to lane 1 and 50 m from the starting line. During the long jump the wind gauged is positioned adjacent to the speed-up lane 10 m in front of the jump marker. In all cases the measuring plane shall be positioned at 1.22 m ± 0.05 m height and not more than 2 m away from the track.
6. The period for which the wind velocity must be measured from the start signal are as follows:
100 m . . . . . . . . . . . . . . . . . 14 seconds,
One Foot. . . . . . . . . . . . . . . 8 seconds,
Wheel Walk . . . . . . . . . . . . . 8 seconds.
For a 200 m race, the wind velocity must normally be measured for a period of 14 seconds commencing when the first rider enters the straight, but the measuring can also be started automatically after 14 seconds from the start signal.
For Track Coasting and Track Gliding the wind velocity must be measured for a period of 15 seconds from the time when the rider passes the start line.
Effect on other rules:
2B.8.2 Track Coasting
[...] Wind must be at a minimum for records to be set and broken.
Body
Further information can be found in the corresponding discussion 5
References
Discussion
View DiscussionChange Log:
- Revision 8 changed by Jan Vocke (23 Oct 02:58)
1. Replace "shall" with "must".
2. Deleting the references for the Long Jump, as it is recommended to integrate a corresponding rule directly in the Jumps chapter.- Revision 7 changed by Jan Vocke (04 Sep 04:01)
Spelling mistake corrected
- Revision 6 changed by Jan Vocke (03 Sep 03:30)
Added editorial note regarding wind measurement for long jump.
- Revision 5 changed by Jan Vocke (30 Aug 10:58)
1. Changed:
"In track competitions it is recommended to measure the wind speed for every competition in which the track is not ridden a whole number of times, for Unicons it is mandatory. This includes 100m, 200m, One Foot, Wheel Walk, Track Coasting, Track Gliding and Long Jump on Track."
into
"It is recommended to measure the wind speed for 100m, 200m, 50m onefoot, 30m wheelwalk, track coasting, track gliding and long jump on track since tailwind can have a sicnificant influence when the track is not ridden at least once complete. For Unicons such wind speed measurement is required."2. Changed:
"For Long Jump on Track, the wind velocity shall be measured for a period of 4 seconds from the time when the rider passes the attached mark. This mark is 20 m from the jump marker."
into
"For Long Jump on Track, the wind velocity shall be measured for a period of 4 seconds from the time when the rider passes a mark that is 20 m before the jump marker."- Revision 4 changed by Jan Vocke (26 Aug 05:14)
Correction of spelling mistakes
- Revision 3 changed by Jan Vocke (26 Aug 04:05)
Impact on other rules: For Track Coasting, the sentence "Wind must be at a minimum for records to be set and broken." should be deleted, as this is covered by rule 2D.11 Wind Measurement and is not explicitly mentioned in the other disciplines.
- Revision 2 changed by Jan Vocke (24 Aug 01:38)
Chanched "DUMMY-PROPOSAL" to proper proposal.
- Revision 1 changed by Jan Vocke (15 Aug 03:46)
Votes on this proposal:
3 out of 5 voting members have voted.
Agree: 3, Disagree: 0, Abstain: 0.