Boat International – April 2018

“I wanted to put the
props in tunnels – part
of the reason was that we
had to keep to a certain
draught, but I wanted the
biggest propellers possible
for eiciency,” says Toby
Silverton, who wanted to
make Aviva at least 10 per
cent more eicient than
anything he’d worked
on before. The unusually
shaped hull moves
smoothly, and avoids
pitching and rolling to
an impressive degree