Here's a guy selling a Mac 26 who seems to have been to the same sailing school
that the Boobster attended. He claims the Mac sails at 18kts.

http://cgi.ebay.com/ebaymotors/ws/eB...m=2489920993&r
d=1&sspagename=STRK%3AMEWA%3AIT
S/V Express 30 "Ringmaster"
"Trains are a winter sport"