One minute they were being wheeled out of secrecy to face the public for the first time, the next they were flying around the Hauraki Gulf. The pace of the 36th America's Cup is ramping up and the rapid transition from new boat launch to full foiling flight for these brand new boats has been staggering. Matthew Sheahan takes a look at what's been going on in Auckland and explains why these boats are such beasts to handle...