Past and Present Rating Systems
The IOR was superseded (in the early 1990s) by the International Measurement System (IMS) and CHS (since renamed IRC). While some IOR yachts race at club level under IRC in more or less their original form, others had major surgery to make them competitive within the new rules.
Read more about this topic: International Offshore Rule, Rule Context
Famous quotes containing the words present and/or systems:
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—François Rabelais (1494–1553)
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