thats cool go for it, it will be a bit quicker is it 170 kg or 150 kg? the f18 is too heavy at 180kg so you may have a flying machine, i put a tornado rig on unicorn hulls with wide beams it was as fast as an about 110 kg all up and as a 11 foot wide single hander it was faster than a formula 18 when they were flying a spinaker and i was just on 2 sails