It's really not a big point, or relevant to this thread, but for some reason I always tought Marstrøms M-20 was pre-preg carbon?
For some photos from Marstrøm's operation:
http://watersportscheveningen.nl/marstrom1.php http://watersportscheveningen.nl/marstrom2.php http://www.multihulls.org/marstrom.html Notice the large autoclaves in the last link, and that they still set up the boats before fitting beams etc. Not wholy industrialized yet..