Approaching 40 years ago at Oklahoma State I assisted with a study of long chain polymer drag reduction. We stirred up different batches...
Prior to the exercise of gathering and analyzing the data I would have agreed with you. But the data showed an exponential fit over the entire...
The planing curve going up to top speed immediately reminded me of an exponential curve I used a decade earlier to curve fit a hydraulic heat...
Brunswick showed a planetary transmission on an outboard in a patent issued in late 2018. US Patent 10,161,482. US10161482B1 - Planetary...
Wonder is Volvo Penta shutting down Seven production in November 2020 after only 9 months was due to seeing this coming? Mercury's Verado V12 had...
We recently published a report modeling recreational planing boat velocity during runs from zero to top speed as a function of the scientific...
3M riblet film might be on your list. Just google 3M riblet film boats and you can see their miniature ridges that look like a phonograph...
Propeller Accident Statistics To Ike: Thanks for sharing some of your historical experiences surrounding the propeller guard issue. It was nice...
Prop Guard Test Protocol Tank Test w/ No Hull I would be especially interested in any comments you might have about the decision to test the...
Propeller Guard Test Protocol draft for comment ABYC (American Boat and Yacht Council) and CED Investigative Technologies were contracted by the...
RingProp (and several of their predecessors) tried to commercialize that concept (ringed props) out of Australia and the U.K over about a 25 year...
Several companies make ring guards for small outboards. These are generally NOT designed ducts to increase performance, they are just basic ring...
There is an extensive library and some real ships at Mystic Seaport in CT. I have been there. It is a very nice place, plus the food was great at...
I temporarily posted the full 1995 letter from ACT (less the Marine Corps test report I linked to separately earlier). Their letter discusses the...
