Interesting, to me 2 up seem to be able to fly a hull in about 7 - 8 knots of wind, 1 up from about 6 - 7 knots, any thing beyond that and the two ups righting moment is going to really really pay big dividends. Do we run races often in winds below 7-8 knots, not often, which means just 1 knot of uni advantage before the 2 ups are able to use the better sail handling and RM to their advantage.

We also have the problem of the jib in making the bottom of the main really work at all times, having sailed both Uni and with a jib ( albiet on a different style of boat )I can only say just how much easier it is to set the mainsail with the jib.

For me the clincher was seeing Greg do so badly at Garda when he sailed solo. In a later discussion I had with the SCHRS all those involved seem to agree on the advantages of the dual handed boats in almost any part of a sailing race course.

Its an interesting connundrum.