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October/November 2022, Issue No. 199

On the cover: Rosa II, a 1960-vintage Paul Luke–built wooden ketch, is well supported in a submersible hydraulic trailer as her bottom is power-washed. Seasonal hauling and blocking demand multiple judgment calls by yard crew to minimize the myriad risks of plucking boats from the buoyant support of water, and lifting and propping them up with slings, hydraulics, blocks, and jackstands on dry land.
Photograph by Steve D’Antonio.


Courtesy GCY

Inventing the tandem catamaran. Page 26.

26  QE IV: Question Everything
by Roger Hatfield
The development, build, and successful operation of an experimental four-hull commercial ferryboat in St. Croix, U.S. Virgin Islands.


Sketching designs and details. Page 40.

40  Art of Work
by Tim Nolan
The practical case for hand drawings and sketches in modern naval architecture.


Hauling and blocking skills. Page 56.

56  Out of Their Element
by Steve D’Antonio
Best service-yard practices for hauling, blocking, and storing boats on dry land.

Courtesy MCS

New wind-farm tenders. Page 84.

84  Winds of Change, Part 1
by John Kecsmar
New wind-farm locations and growing markets for renewable energy demand changes in designing, engineering, and operating their service fleets.

Courtesy ABYC

ABYC Supplement 62. Page 94.

94  What’s New in Supplement 62
by Brian Goodwin
A brief guide to the updated 2022–23 American Boat & Yacht Council standards and technical reports.

Courtesy IBEX

Donald Blount tribute. Page 102.

102  In Good Company: Donald L. Blount (1935–2022)
by Paul Lazarus
This magazine, and the international marine industry we cover, mourn the loss of an extraordinary intellect and a generous mentor and colleague.


6  Letters, Etc.
Readers comment on Carlo Riva and his boats, and the changes of technology and mindset that electrical marine propulsion will require.

10  Rovings
compiled by Dieter Loibner
On the job with an electric pumpout boat; Swedish fuel dock for alternative fuels; a carbon fiber piano hinge; corporate wisdom for managers at the Marine Leadership Alliance; and an extinguisher for lithium-ion-battery fires.

78  Task Sheet: Assessing a Boat for Lithium-Ion Battery Installation
by Ed Sherman
How to weigh the practical benefits and disadvantages when a client requests installation of lithium-ion batteries in any boat, old or new.

120  Parting Shot
by Steve D’Antonio
Our technical editor recounts three recent dramatic onboard fires in hopes that the lessons about measures that could have prevented them will stick.


114  New Products and Innovations

115  Connections

116  Classified Advertising

119  Index to Advertisers