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Yachting Australia Corporate Partner
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Yachting Australia
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ORC GENERAL INFORMATION
The ORC (International Measurement System) is maintained by the Offshore Racing Congress.
Their website can be found at: www.orc.org
International Measurement System IMS 2012
The 2012 International Measurement System (IMS) document outlines the measurement regulations behind the ORCi rating systems.
Measurement for ORCi is separated into 6 measurement areas:
- HULL (measurements)
- APPENDAGES (centerboard, canting keel, bilge boards, trim tabs)
- PROPELLER (types and installations)
- STABILITY (measurement trim, freeboards, inclination, water ballast)
- RIG (measurements, weight and centre of gravity)
- SAILS (measurement and inventory)
Boat owners with carbon rigs should read carefully the measurement requirements in section F - RIG outlining rig weight and centre of gravity requirements for this measurement rule.
ORC Rating Systems 2012 - ORC International
ORC Rating systems use the International Measurement System (IMS) as a measurement platform and the ORC Velocity Prediction Program (VPP) to rate boats of different characteristics in size, hull and appendages, shape and configuration, stability, rig and sail measurements, propeller installation and many other details affecting their theoretical speed.
Certificates may be issued for ORC International for boats that are completely measured in accordance with the IMS and complying with their requirements of the IMS Rules and Regulations.
Please click on the link below for a copy of the ORC rules.
Links
- Offshore Racing Congress IMS 2012 – 29 page document.
- Rating Rules – Offshore Racing Congress 2012 – International & Club Rule – 29 page document)
- 3 x Examples of certificates International, Speed Guide, Stability & Hydrostatic Datasheet
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| Process and Forms | |
| ORC Rating Website | |
