Hello guys, I'm using a chrono V2 15m with lines of 20m. It cost me a lot to go less than 7 knots. The ones who tryes the V3 which size do you recomend for 5 to 7 knots? Does the ultralight version works better in such light wind? My foil is a Spotz Tuna with the lightwind wing. I have the Chrono V2...