Issue No. 140, December/January 2013 — Table of Contents
On the cover: Crew prep the 2001-vintage America’s Cup boat USA 76 for bottom-painting at the Keefe Kaplan Maritime Inc. (KKMI) yard in Point Richmond on San Francisco Bay, California. The company, which operates a second yard, in Sausalito, has a great reputation for servicing large racing boats in the Bay Area, while satisfying California’s stringent environmental and workplace-safety regulations. Story on page 18. Photograph by Aaron Porter.
18 KKMI: The Business of Clean
by Aaron Porter
In its two successful service yards on San Francisco Bay, a company meets the challenging standards of California’s tough regulatory climate.
34 Analyzing Accelerations, Part 1
by Paul Lazarus
Crews of fast powerboats operating in rough water experience unacceptably high levels of injury attributable to accelerations. One of the hottest topics in modern naval architecture, accelerations also present one of the most difficult technical problems to solve.
by Jean-Yves Poirier
Fiberglass pioneer Henri Amel succeeded despite repeated setbacks
during his four-decade career of designing and building boats. His
legacy is an employee-owned company that thrives by producing just two models of offshore sailing yachts.
60 Working-Class Wing
by Greg and Patrick Johnston
A “soft” sail system, first developed and patented in Australia in the
1980s and subsequently refined, provides a practical alternative to
the rigid wing.
4 Letters, Etc.
Readers comment on stability in shoal-draft monohull sailboats; get-home systems; Fighting Lady Yellow; and foaming epoxy.
compiled by Dan Spurr
Humphree interceptors; Alan Gurney remembered; Vibraseal thread sealant; e-wisdom from Phil Friedman; W.D. Shock; a Salthouse/Morrelli & Melvin AC72 tender; and SA-2100 adhesive sealant.
80 Parting Shot
by Eric Sorensen
Watertight bulkheads that provide buoyancy in spite of multiple flooded compartments are common on larger ships, so why do designers and builders of smaller recreational vessels resist taking similar measures to make their boats unsinkable, or as close as practically possible?
72 New Products and Processes
77 Classified Advertising