Common use of Equivalent test methods Clause in Contracts

Equivalent test methods. If a method other than that described in paragraph 2. above is used, its equivalence must be demonstrated. Annex 7 - Appendix 1 ENDURANCE-TEST PROGRAMME Load index Tyre speed category Test-drum speed Load placed on the wheel as a percentage of the load corresponding to the load index Radial-ply min-1 Diagonal (bias-ply) min-1 7 h. 16 h. 24 h. 122 or more F G J K L M 100 125 150 175 200 225 100 100 125 150 -- 66% 84% 101% 121 or less F G J K 100 125 150 175 100 125 150 ▇▇▇ ▇ ▇ ▇ ▇ ▇▇▇ ▇▇▇ 275 300 175 200 -- 70% 4 h. 75% 75% 75% 88% 6 h. 97% 97% 97% 106% 114% 114% 114% (1) Special-use" tyres (see paragraph 2.1.3. of the Regulation) should be tested at a speed equal to 85 per cent of the speed prescribed for equivalent normal tyres. (2) Tyres with load index 121 or more, speed categories N or P and the additional marking "LT", or "C", referred to in paragraph 3.1.13. of this Regulation, shall be tested with the same programme as specified in the above table for tyres with load index 121 or less.

Equivalent test methods. If a method other than that described in paragraph 2. above is used, its equivalence must be demonstrated. Annex 7 - Appendix 1 ENDURANCE-TEST PROGRAMME Load index Tyre speed category Test-drum speed Load placed on the wheel as a percentage of the load corresponding to the load index Radial-ply min-1 Diagonal (bias-ply) min-1 7 h. 16 h. 24 h. 122 or more F G J K L M 100 125 150 175 200 225 100 100 125 100 150 -- 125 175 150 200 - 225 - 66% 84% 101% 121 or less F G J K 100 100 125 125 150 150 175 100 125 150 ▇▇▇ ▇ ▇ ▇ ▇ ▇▇▇ ▇▇▇ 275 300 175 L M N P 200 -- 175 70% 88% 106% 4 h. 75% 75% 75% 88% 6 h. 97250 200 75% 97% 114% 275 - 75% 97% 106% 114% 114300 - 75% 97% 114% (1) Special-use" tyres (see paragraph 2.1.3. of the Regulation) should be tested at a speed equal to 85 per cent of the speed prescribed for equivalent normal tyres. (2) Tyres with load index 121 a Load Index of 122 or more, more of speed categories N or P and the additional marking "LT", or "C", referred above M are not yet produced. Approval cannot be granted to in paragraph 3.1.13. of them under this Regulation, shall be tested with the same programme as specified in the above table for tyres with load index 121 or less.