Actually some good videos around, this is how you gybe a Star in calm vs heavy seas.

http://www.youtube.com/watch?v=U8UTqNlw5Yc&feature=related
Not so good.
http://www.youtube.com/watch?v=_yucOTw6flA&feature=related
Good.

In heavy seas/wind you have to bring the crew back or the boat has a tendency or porpoise and could stuff the bow and literally sail itself under.

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2006 CL500
1969 280SE
2023 Ram 1500
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2007 Tiara 3200