Class RulesThe RYA Technical Department maintain the Merlin Rocket class rules, as we are a national class.
You can view the rules in PDF format on their website:
(The RYA may change this link occasionally, please use their website search box or their menu entry for racing/technical if you have trouble.)
N.B. The RYA also run the Portsmouth Yardstick (PY) system - see Merlin Rocket handicap rating.