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Archive for Prop Guards

Hawaii boat propeller accident rekindles call for propeller guards

Posted by Gary 
· Tuesday, September 20th, 2016 at 03:31 PM 
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Faith Kalei-Imaizumi was participating in the Pailolo Challenge canoe race, a 26 mile race downwind from Maui to Molokai on Saturday 17 September 2016. During the race, escort boats bring out fresh crew members in exchange for tired crew members. Faith was in an escort boat. Her hat fell into the water, she dove in […]

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Categories : Regulations
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Rating Propeller Guards per USCG’s New Propeller Test Procedure: the Numbers

Posted by Gary 
· Monday, September 23rd, 2013 at 08:38 PM 
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We examine the propeller guard Rating system and the numbers and data behind those Ratings as defined by the new U.S. Coast Guard (USCG) / American Boat and Yacht Council (ABYC) Propeller Guard Test Procedure. The new propeller guard test procedure (originally called the Propeller Guard Test Protocol) assigns ratings (typically 0,1,2,3) to prop guards […]

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Categories : Testing Propeller Guards
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Blunt Trauma & Biomechanics of Boat Propeller & Propeller Guard Strikes: Part 1

Posted by Gary 
· Sunday, September 15th, 2013 at 04:50 PM 
· 4 Comments

Introduction The boating industry often cites the dangers of being struck by a propeller guard as a reason for not using them. They claim boat propeller guards exhibit a much larger cross sectional area than an unguarded propeller and as a result those in the water are much more likely to be struck by the […]

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Categories : Medical
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Blunt Trauma & Biomechanics of Boat Propeller & Propeller Guard Strikes: Part 2

Posted by Gary 
· Sunday, September 15th, 2013 at 04:49 PM 
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This post is Part 2. Please view Part 1 first. Biomechanics Per Biomechanics of Chest and Abdomen Impact. Chapter 53. David Viano and Albert King. Biomedical Engineering Fundamentals: “The biomechanical response of the body has three components: (1) inertial resistance by acceleration of body masses, (2) elastic resistance by compression of stiff structures and tissues, […]

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Categories : Medical
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USCG Propeller Guard Test Procedure – an initial review

Posted by Gary 
· Friday, September 13th, 2013 at 08:11 PM 
· 2 Comments

USCG released the new Propeller Guard Test Procedure / Propeller Guard Test Protocol earlier this week on September 11, 2013. We have since had time to quickly read through it and have a few comments: 1. The entire document appears to have been re-written since the October 2012 version. A quick comparison of page 3 […]

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Categories : Testing Propeller Guards
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Mercury Marine’s & OMC’s Propeller Guard Development $

Posted by Gary 
· Wednesday, August 14th, 2013 at 06:22 PM 
· 2 Comments

The two major U.S. recreational marine drive companies of the past many years: Brunswick / Mercury Marine and Outboard Marine Corporation (OMC) have been in the forefront of “debunking” propeller guards in court since the 1970’s. In this post we estimate their total expenses in developing propeller guards designed to protect people at less than […]

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Categories : Legal Shorts
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UK Petition to Put Cages on Boat Propellers

Posted by Gary 
· Friday, June 14th, 2013 at 01:46 PM 
· No Comments

Cian Williams, a young boy from North Wales severely injured by a boat propeller last year, and his mother have launched a petition to Sir Dafydd Ellis Thomas in the United Kingdom (UK) to “Put Cages on Boat Propellers”. The petition itself is very brief and to the point, “Put cages on boat propellers.” It […]

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Categories : Propeller Safety Causes
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Exposed Propellers Are a Financial Hazard per Afloat Editorial

Posted by Gary 
· Friday, May 31st, 2013 at 10:39 AM 
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The June 2013 editorial in Afloat, an Australian boating and sail boating magazine, is titled “Exposed Propellers Are Now Both a Safety…. And Financial Hazard!“. The editorial by Robin Copeland strongly makes the point that Australian regulators and New Zealand Courts are charging and pursuing organizations that fail to provide safeguards for their employees and […]

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Categories : Regulations
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RYA Updates Position Statement on Propeller Guards

Posted by Gary 
· Thursday, April 4th, 2013 at 03:10 PM 
· No Comments

Royal Yachting Association (RYA) recently updated their position statement on the use of propeller guards. The well known national UK boating association replaced their 6 May 2009 one page statement, Guidance on Prop Guards, with: A three page document titled Guidance on Prop Guards for Recreational Boaters dated 28 February 2013 A two page document […]

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Categories : Propeller Safety News
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Madi Abeid: Young Girl Writes Profound Article on Propeller Guard Issues

Posted by Gary 
· Monday, March 25th, 2013 at 10:32 AM 
· No Comments

Madi Abeid published, “Boat Propeller Guards: A Smart Choice” in a March 18, 2013 special issue of the Cape Cod Times. She was drawn to the topic after her sister was struck by a boat propeller in July 2012. Madi notes that if a guard had been installed her sister would not have spent most […]

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Categories : Propeller Safety News
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