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Archive for Prop Guards – Page 4

Boat Builders Offering Propeller Guards Part 1 (A-M)

Numerous boat builders have offered or do offer propeller guards as an option, have sold propeller guards, or have provided their boats for use in major events (such as the Olympics) at which they knew guards would be required on their boats. This post is part one of a two part post identifying some of […]

Boat Builders Offering Propeller Guards Part 2 (N-Z)

This is a continuation of our list of boat builders that have offered propeller guards as an option or sold propeller guards, or provided their boats for use at a major event at which they knew guards would be required (such as the Olympics). Return to Part 1 (A-M). Narwhal Narwhal builds outboard powered RIBS […]

Regulations, Standards, Statements, and Developments Resulting in More Boat Builders Offering Propeller Guards

Several regulations, standards, statements, and developments have resulted in more boat builders offering propeller guards. Among these are: U.S. Code of Federal Regulations U.S. Code of Federal Regulations (CFR) Title 46: Shipping Part 160 – Lifesaving Equipment Subpart 160.156 – Rescue Boats and Fast Rescue Boats (SOLAS) requires each propeller of a rescue boat be […]

Donald G. Balius, Sr. : Obituary of a Propeller Guard Pioneer

We recently noticed Donald Balius passed away back on April 25, 2009 at age 81. He owned and operated Donald Balius Iron Works in Biloxi Mississippi at the same address for over 50 years until it was destroyed by hurricane Katrina in 2005. A nice obituary is in the Sun Herald (Biloxi-Gulfport MS). We borrowed […]

Yanmar Builds Diesel Outboard to Accept Propeller Guard

Back in 2000, Yanmar was offering a special lower leg on Model D27A and D36A outboards (27 and 36 horsepower) that came with bolt holes for installing a propeller guard. The boating industry has long claimed that all marine drive manufacturers are united in their stand against propeller guards. Drive manufacturers say their united stand […]

Mercury Marine / Dick Snyder 1989 Propeller Guard

Dick Snyder, Mercury Marine’s expert witness in propeller guard cases, designed a propeller guard back in 1989. Placing the event in historical perspective, this was a very eventful time. The U.S. Coast Guard NBSAC Propeller Guard Subcommittee was formed on May 11, 1988, met twice more in 1988, met in May of 1989, then delivered […]

Propeller Guard Test Protocol Draft: PGIC Public Comments

ABYC (American Boat and Yacht Council) and CED (CED Investigative Technologies) recently completed a draft of the Propeller Guard Test Protocol. We announced they requested public comment from interested parties by April 11, 2012 on our Propeller Guard Test Protocol Released by ABYC/CED for Public Comment page. We sent in our comments today (April 11, […]

Propeller Guard Test Protocol Rough Draft Released by ABYC / CED for Public Comment

Effectiveness of Propeller Guards About 2006 the U.S. Coast Guard began consulting and contracting with some experts to produce a test protocol for propeller guards. The American Boat and Yachting Council (ABYC) and CED Investigative Technologies are now finalizing that process for USCG. CED Investigative Technologies is a forensic engineering and accident reconstruction firm specializing […]

Lawrence E. “Larry” Thibault Obituary

We just became aware of the passing of Dr. Lawrence “Larry” Thibault back on September 10, 2011. He was well know as a biomechanics expert witness for the plaintiffs in propeller strike cases. Dr. Thibault, a former Chairman of the School of Bioengineering at the University of Pennsylvania, and founded Biomechanics, Inc. at Exton Pennsylvania. […]

Yale and MIT Release Study of Human Sensing Methods

A paper by Thiago Teixeira and Andreas Savvides from Yale and Gershon Dublon of the Massachusetts Institute of Technology surveys methods used to detect the presence of humans. This work could be very useful for those designing virtual propeller guards (propeller guarding technologies based on sensors). The paper, A Survey of Human-Sensing: Methods for Detecting […]