I anybody wants to get a real feel for the speed difference between dinghies/mono's and cats then go and that a look at the Australian VUC yardsticks. A 49-er skiff (with 32 sq. mtr. kite !) is about a fast as a .... Prindle 16/hobie 16.

98 % of the monon's/skiffs is slower then the 49-er

Wouter