"All the stuff that should count in a yacht race - taking shifts, sailing well, and not making mistakes - and these differences are far bigger than the speed differences you are seeing between the boats."
For the Kiwis the day provided some invaluable starting practice with Peter Burling pushed hard - particularly by Britain's Sir Ben Ainslie - and responding well.
And from a technological point of view lessons continue to be learned.
"We've got new equipment that's gone on over the last couple of weeks and a lot of it now is trying to find out how to use it,' said Shoebridge.
"There's big gains still to be had just by using the equipment properly."
The next time the boat lines up to race it will be for the real deal and Shoebridge reckons they're in good shape.
"Today felt really good. We are definitely not peaking too early. But we are ready. We are ready to start."