Hi Mike
What kind of regattas are the Inter's racing in. Formulae racing is not one design and I would not want to assume that one would morph into the other.

Chesapeake Bay/Mid Atlantic... Triangles races 4 sonsored by hobie fleets 4 by yacht clubs/ cat sailing clubs Distance races CRAC and Yacht clubs. All are open class races.

Michigan One design in CRAM.

New England Barry reported 4 to 5 inters probalby racing in open class.<br><br>