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The Non-Road Mobile Machinery (Emission of Gaseous and Particulate Pollutants) Regulations 1999

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  • Y Diweddaraf sydd Ar Gael (Diwygiedig)
  • Gwreiddiol (a wnaed Fel)

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Dyma’r fersiwn wreiddiol (fel y’i gwnaed yn wreiddiol). This item of legislation is currently only available in its original format.

Determination of dynamometer settings

2.8  The settings of inlet restriction and exhaust pipe backpressure shall be adjusted to the manufacturer’s upper limits, in accordance with sections 2.3 and 2.4.

  • The maximum torque values at the specified test speeds shall be determined by experimentation in order to calculate the torque values for the specified test modes. For engines which are not designed to operate over a speed range on a full load torque curve, the maximum torque at the test speeds shall be declared by the manufacturer.

  • The engine setting for each test mode shall be calculated using the formula:

  • If the ratio,

  • the value of PAEmay be verified by the technical authority granting type approval.

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