Test equipment. 2.1. A dynamometer having the following characteristics shall be used for the tests: 2.1.1. It shall be capable of generating the inertia required by paragraph 3.1. of this annex, and have the capacity to meet the requirements prescribed by paragraph 1.5. of Annex 3 to this Regulation with respect to the Type-I fade test; 2.1.2. The brakes fitted shall be identical with those of the original vehicle type concerned; 2.1.3. Air cooling, if provided, shall be in accordance with paragraph 3.4. of this annex; 2.1.4. The instrumentation for the test shall be capable of providing at least the following data; 2.1.4.1. A continuous recording of disc or drum rotational speed; 2.1.4.2. Number of revolutions completed during a stop, to resolution not greater than one eighth of a revolution; 2.1.4.3. Stop time; 2.1.4.4. A continuous recording of the temperature measured in the centre of the path swept by the lining or at mid-thickness of the disc or drum or lining; 2.1.4.5. A continuous recording of brake application control line pressure or force; 2.1.4.6. A continuous recording of brake output torque.
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Sources: Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles, Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles, Agreement Concerning the Adoption of Harmonized Technical United Nations Regulations for Wheeled Vehicles
Test equipment. 2.1. A dynamometer having the following characteristics shall be used for the tests:
2.1.1. It it shall be capable of generating the inertia required by paragraph 3.1. of this annex, and have the capacity to meet the requirements prescribed by paragraph 1.5. of Annex annex 3 to this Regulation with respect to the Type-I fade test;
2.1.2. The the brakes fitted shall be identical with those of the original vehicle type concerned;
2.1.3. Air air cooling, if provided, shall be in accordance with paragraph 3.4. of this annex;
2.1.4. The the instrumentation for the test shall be capable of providing at least the following data;
2.1.4.1. A a continuous recording of disc or drum rotational speed;
2.1.4.2. Number number of revolutions completed during a stop, to resolution not greater than one eighth of a revolution;
2.1.4.3. Stop stop time;
2.1.4.4. A a continuous recording of the temperature measured in the centre of the path swept by the lining or at mid-thickness of the disc or drum or lining;
2.1.4.5. A a continuous recording of brake application control line pressure or force;
2.1.4.6. A a continuous recording of brake output torque.
Appears in 1 contract
Sources: Agreement Concerning the Adoption of Uniform Technical Prescriptions for Wheeled Vehicles