{
  "url": "https://openlegislation.uk/eu-regulation-2015-68/annex-VIII/division-2/division-2.3",
  "json_url": "https://openlegislation.uk/eu-regulation-2015-68/annex-VIII/division-2/division-2.3.json",
  "legislation": "eur/2015/68",
  "legislation_title": "Commission Delegated Regulation (EU) 2015/68 of 15 October 2014 supplementing Regulation (EU) No 167/2013 of the European Parliament and of the Council with regard to vehicle braking requirements for the approval of agricultural and forestry vehicles (Text with EEA relevance)",
  "legislation_url": "https://openlegislation.uk/eu-regulation-2015-68",
  "path": "annex/VIII/division/2/division/2.3",
  "kind": "division",
  "number": "2.3",
  "heading": "Symbols valid for mechanical-transmission braking systems (see Figure 5 of Appendix 1 )",
  "text": "2.3.1. iHo reduction ratio between travel of coupling head and travel of lever at output side of control device;\n2.3.2. iH1 reduction ratio between travel of lever at output side of control device and travel of brake lever (gearing down of transmission);\n2.3.3. iH reduction ratio between travel of coupling head and travel of brake lever\niH = iHo · iH1\n2.3.4. ig reduction ratio between travel of brake lever and lift (application travel) at brake-shoe centre (see Figure 4 of Appendix 1);\n2.3.5. P force applied to the brake control lever; (see Figure 4 of Appendix 1);\n2.3.6. Po brake-retraction force when the towed vehicle moves forward, i.e., in graph M = f(P), the value of the force P at the point of intersection of the extrapolation of this function with the abscissa (see Figure 6 of Appendix 1);\n2.3.6.1. Por brake-retraction force when the towed vehicle moves rearward (see Figure 6 of Appendix 1);\n2.3.7. P* force applied to the brake control lever to produce the braking force B*;\n2.3.8. PT test force according to point 6.2.1;\n2.3.9. ρ characteristic of the brake when the towed vehicle moves forward as defined from:\nM = ρ (P – Po)\n2.3.9.1. ρr characteristic of the brake when the towed vehicle moves rearward as defined from:\nMr = ρr (Pr – Por)\n2.3.10. scf rear cable or rod travel at compensator when brakes operate in forward direction;\n2.3.11. scr rear cable or rod travel at compensator when brakes operate in rearward direction;\n2.3.12. scd differential travel at compensator when only one brake operates in the forward direction and the other in the reverse direction;\nWhere: scd = scr – scf (see Figure 5A of Appendix 1);",
  "extent": "E+W+S+N.I.",
  "status": null,
  "version": "current",
  "annotations": [
    {
      "type": "footnote",
      "label": "f1",
      "text": "Points 2.3.10, 2.3.11 and 2.3.12 only apply to the parking braking system differential travel calculation method."
    }
  ],
  "outstanding_effects": [],
  "provenance": {
    "source": "legislation.gov.uk",
    "source_url": "https://www.legislation.gov.uk/eur/2015/68/annex/VIII/division/2/division/2.3",
    "retrieved_at": "2026-11-01T14:46:56.586941+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."
}