Division 3.5.3.7 High speed test
United Kingdom
Perform the measurement at the high speed. It shall be ensured that:
- i..
the vehicle is driven through the measurement section along a straight line as straight as possible
- ii..
the average driving speed is in accordance with 3.5.2 of this Annex for the measurement section and the preceding stabilisation section
- iii..
the stability of the driving speed inside the measurement sections and the stabilisation sections is in accordance with 3.10.1.1 item vii. of this Annex
- iv..
the stability of the measured torque inside the measurement sections and the stabilisation sections is in accordance with 3.10.1.1 item viii. of this Annex
- v..
the beginning and the end of the measurement sections are clearly recognizable in the measurement data via a recorded trigger signal (opto-electronic barriers plus recorded GPS data) or via use of a DGPS system
- vi..
in the driving phases outside the measurement sections and the preceding stabilization sections any unnecessary manoeuvres shall be avoided (e.g. driving in sinuous lines, unnecessary accelerations or decelerations)
- vii..
the distance between the measured vehicle to another driven vehicle on the test track shall be at least 500 m.
- viii..
at least 10 valid passings per heading are recorded
The high speed test can be used to determine the misalignment of the anemometer if the provisions stated in 3.6 are fulfilled.