PropellerSafety.com

Archive for Propeller Guards – Page 3

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

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, […]

USCG Propeller Guard Test Procedure – an initial review

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 […]

Propeller Guard Test Procedure Released by U.S. Coast Guard

Many years in the making, the United States Coast Guard (USCG) released the final version of the Propeller Guard Test Procedure / Protocol today, September 11, 2013. The US Coast Guard news release quotes USCG’s Phil Cappel as saying, “The report provides the means to evaluate the boat performance characteristics and the level of protection […]

Yachting Australia Issues Safety Notice Calling for Propeller Guards

Yachting Australia, a national sports organization for Sailing, issued a Safety Information Notice on the Risk of Propeller Strikes 26 August 2013. Yachting Australia is a federation of 8 state and territory yachting associations that represent a total of nearly 400 affiliated sailing clubs and about 60,000 members. DiscoverSailing.org.au and Australian Sailing are also under […]

Cian Williams – 2012 Boat Propeller Accident in Wales

Cian Wyn Williams, a 13 year old Wales boy, was at Porthmadog Harbor with some friends about lunchtime Saturday 11 August, 2012. While they were visiting with a speedboat operator, the man invited them to join him for a ride to Pwiheli to refuel his boat. The joined him, refueled, and on the way back […]

Mercury Marine’s & OMC’s Propeller Guard Development $

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 […]

Propeller Solutions Prop Deflector: August 2013 Update

We heard from our friends at Propeller Solutions in the UK last Friday (August 2, 2013). They are continuing to improve their vane / vein type guard called the Prop Deflector. Propeller Solutions Facebook Page links to some of their recent test data and photos on Dropbox. They also recently announced a new website specifically […]

Size of the Recreational Boat Replacement Propeller Market

Many have suggested the boating industry’s objections to propeller guards may be profit motivated. Some propeller safety advocates and some of those struck by propellers suggest the industry does not want to use propeller guards because guards will reduce the number of dinged up and bent propellers that need replacing. Fewer bent or damaged props […]

UK Petition to Put Cages on Boat Propellers

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 […]

UK History of the Boat Kill Cord & Propeller Safety Movement

Nicholas Milligan’s family’s propeller accident at Padstow Harbor generated a tremendous amount of interest in boat propeller safety issues and particularly in the use of kill cords. To place the Milligan accident and the current level of interest in a proper and historical perspective, we wrote a History of Propeller Safety issues in the United […]