{
  "url": "https://openlegislation.uk/eu-regulation-2017-2400/annex-VI/appendix-10",
  "json_url": "https://openlegislation.uk/eu-regulation-2017-2400/annex-VI/appendix-10.json",
  "legislation": "eur/2017/2400",
  "legislation_title": "Commission Regulation (EU) 2017/2400 of 12 December 2017 implementing Regulation (EC) No 595/2009 of the European Parliament and of the Council as regards the determination of the CO2 emissions and fuel consumption of heavy-duty vehicles and amending Directive 2007/46/EC of the European Parliament and of the Council and Commission Regulation (EU) No 582/2011 (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2017-2400",
  "path": "annex/VI/appendix/10",
  "kind": "appendix",
  "number": "10",
  "heading": null,
  "text": "Standard torque loss values – other torque transferring components\nCalculated standard torque loss values for other torque transferring components:\nFor hydrodynamic retarders (oil or water), the retarder drag torque shall be calculated by\nTretarder=10istep-up+2istep-up3×nretarder10002\nFor magnetic retarders (permanent or electro-magnetic), the retarder drag torque shall be calculated by:\nTretarder=15istep-up+2istep-up4×nretarder10003\nwhere:\nTretarder Retarder drag loss [Nm]\nnretarder Retarder rotor speed [rpm] (see paragraph 5.1 of this Annex)\nistep-up Step-up ratio = retarder rotor speed/drive component speed (see paragraph 5.1 of this Annex)",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2017/2400/annex/VI/appendix/10",
    "retrieved_at": "2026-11-01T14:44:20.922900+00:00"
  },
  "licence": "Open Government Licence v3.0",
  "licence_url": "https://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/",
  "attribution": "Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives."
}