What are the specs for IDEC vs what Ellen sailed (B&Q/Castorama).

I believe both boats are purpose built, Neil Irens designs...but how are they different?

What I cannot grasp is how the heck can one person do all the sail changes...WITHOUT stopping! Ellen reports doing 12-20 sail changes in a 24 hr period!!!

I sail on Afterburner, a 52 ft "beachcat"...we race with 6 aboard and it is a major effort all round when changing a head sail. We cannot raise/lower the main or engage reefing points without going head to wind...and even then it takes five burly guys to hoist the main up, one guy using the biggest winch on the boat and the rest of us "rowing" the extremely taught halyard. This inches the sail up the 80 ft mast.

Amazing stuff.