THE POWER CRUISING AUTHORITY
table of contents
april 2014 • vol. 19, no. 3
cover photo A Fleming 55 en route to the Caribbean has
just cleared customs and heads to her slip at Turtle Cove Marina at
Providenciales in the Turks & Caicos.
All Things hybrid
10 CONCEPT TO REALITY
The people behind Greenline Yachts made some
key decisions when they developed their line of
hybrid boats. Cos Constantinou of Greenline
North America explains Greenline propulsion
systems, whose efficacy has helped sell more
than 400 boats despite a down economy.
58 SCIENCE OF HYBRID II
Author Nigel Calder explains the relative
efficiencies of hybrid and conventional
propulsion and reaches an optimistic conclusion
about the new technology.
62 THE (GREAT) HYBRID DEBATE
Technical Editor Steve D’Antonio challenges
some of Nigel Calder’s assumptions, and Calder
64 SOMETHING OLD, SOMETHING NEW
David Gillespie cruises the St. Johns River in
his restored 114-year-old motor launch in almost
complete silence thanks to his hybrid propulsion
system. Contributor Brooke Williams describes
the project and its results.
PlAces in The heAr T
76 AMERICAN EXPERIENCE
Rarely cruised, the Ohio River provides a
fascinating look at America’s past. And it’s
affordable. Take a ride upriver with contributor
52 DELTA BY DEGREES
San Francisco is no tropical paradise, so when
boaters want to warm their bones they set a
course for the California Delta. Take a cruise
with Michael Freeman, who took this picture
of a typical Delta raft-up.
“in those probable-cause states, you have the right to say no until a search warrant is obtained, but i don’t advise exercising that
right just for the sake of flapping your sea-lawyer wings at the powers that be. ” –Pete Dautel Page 72