PropellerSafety.com

Archive for The Leash – Page 2

The Leash receives U.S. Patent

We just noticed The Leash, a tether to prevent outboard motors from flipping into boats when striking submerged objects, received U.S Patent 9,771,136 back on 26 September 2017. Some of our work in this field was cited in the patent references as well. Roy John Grohler is listed as the inventor and the patent is […]

The Leash patent application was published by USPTO

The Leash, a tether for large outboard motors, entered the market in early 2016. They especially focus on preventing bass boat outboard motors from entering the boat after striking a floating, submerged, or fixed object. Their patent application was filed 22 December 2015 and published 18 months later on 22 June 2017 by the U.S. […]

Outboard Motor Log Strike Mode by Speed and Resistance to Impact Chart

When outboard motors strike submerged objects they can break off and flip into the boat as seen in our lists of outboard motors breaking off and flipping into boats and large outboard motors breaking off and flipping into bass boats. We previously posted information on several existing and proposed solutions, including The Leash, a vectran […]

The Leash : tether prevents outboard motors from flipping into boats

When an outboard motor strikes a submerged object at speed it may break off and flip into the boat. Outboards that flip into the boat usually do so with the engine still running and the propeller turning at thousands of RPM. Those on board can be critically injured or killed. We have long been especially […]