Maritime Professional - Keith Henderson

Hot Flashes from Marad
by Joseph Keefe

Keith Henderson

Editor

Principle Nature of Business

Naval Architect / Marine Engineer

Professional Interests

Fuel Cells

Machinery

Naval Architecture/Marine Engineering

Propulsion

Propulsion - Diesel

Propulsion - Gas turbines

Propulsion - Nuclear

Remotely Operated Vehicles (ROVs)

Vessels

Vessels - Military vessels

Unmanned Surface Vessels

Trade Events

Europort

NEVA

SMM

CIMAC

Euronaval

INEC

Designations, Licenses and Certifications

Engineer

Employment status

Consultant

Experience

Editor at IHS Jane's

July 1989 - Present (22 years 7 months )

Editor Jane's Marine Propulsion

Consultant, author and journalist at Worldmarine Ltd

January 1984 - Present (28 years 1 month )

maintenance and updating World Marine Engine Database

Education

Stow College of Engineering

HN Diploma in Engineering

September 1968 - May 1971

My announcements

There are currently no announcements.

Comments on me

praveen kumar

hello sir,
i m a B.E. graduate in marine engineering. please let me know what are my oppurtunities in maritime field.

2/24/2010 1:28:43 AM

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ADEKOYA YETUNDE

hello sir,
i am B.SC graduate in transport planning and management and affiliate member of cilt-logistic and transport. please let me know my opportunities in maritime world.

2/26/2010 6:14:52 AM

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Robert Walsh

Keith, I do hope when you are writing next about stern-appended ship energy saving devices that you will reference my company. These devices are not knew and most of the patent applications only demonstrate the lack of viability of the current nationalistic process.
Each generation seems to have to revisit the novelty of these devices, which must be custom engineered to obtain optimal gains. I would be most willing to have further dialogue with you on the topic. Best regards, Bob Walsh.

3/26/2010 3:29:14 PM

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Clark Dodge

Aloha from Hawaii. I have been reading several articles about propulsion systems, shaft failures, electric drives and all the other systems. My comments are. I found that design engineers keep looking at materials to make things work save money and weight but forget the other factors and many times keep using the same calculations they have always done. Wrong! Your comments about torque and the fast response of modern engines put stress's on many things other than the bending movement, twist and bend of the shafting, coupling and bolt failures are very much on the rise. The secret here is that during the walk around, rounds and constant daily inspections catching things like this go far beyond the failure points. During the weekly inspections of shafting, always inspect coupling bolts and even tap on them with a small Ball Peen hammer, if they don't sound the same you have a crack or failure or even a loose bolt. Anyway getting back to the drives, Azapods are not the answer either as they require dry-docking the vessel all the time when 90% of the problems can be done in the water. Just be sure you add the operating conditions to your design and not use just the cost factor as the deciding use of materials and design. The story about diving into waves and the prop coming out of the water and then winding up unwinding and slamming back into the water causes severe strain on the shafting, gears and couplings, not to mention the twisting of the shafts. With these conditions be sure your chief engineers and oilers are trained to look for these things. Standing watch in the pilot house does not make it. My last project was the three 16,000 HP vessels and we had a long battle over the same things as we maneuver ahead to astern the entire life of the vessels. The Chief.

5/6/2010 2:54:44 PM

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Marek Narewski

Dear Mr Henderson,

With some pleasure I have noticed short information that refers to a technical paper presented at Explo-Diesel & Turbines 2009 Conference that was held in Poland last year and published in revised form in Polish CIMAC Journal (paper copy available at http://www.polishcimac.pl/Papers2/2009/005.pdf)
The paper is a result of joint effort of prof. Czesław Dymarski from Gdańsk University of Technology (Faculty of Ocean Engieering and Ship Technology) ) and myself.
I am very pleased that the information about our paper is spread around the world through the internet and reaches marine professionals that are able to make the use of data we have contained into our paper.
On the other hand I appreciate to supplement the note with a link to that paper correct the University name – to be Gdansk University of Technology and possiblyplace the llink to our paper describing rare failure that definitely needs further research.

Having the opportunity I would like to express mmy special thanks to Mr Hiromi Shiihara from NKK for providing valuable input to our paper.

With best regards
Marek Narewski
Polish Register of Shipping SA
Gdańsk –Poland
e-mail: m.narewski@prs.pl

5/7/2010 4:17:27 AM

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Amnon Mike Cohen

Thanks for your report on advanced hulls or speed efficiency as I see it, so as you care for advancement and I need the proper Naval Architect to secure for A Major Client yet to be found The patentable technology we shall apply first.

6/10/2010 1:30:56 PM

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Pradeep Kumar

I would like to know more about high speed craft design and also something about unmanned crafts.

6/11/2010 12:33:18 AM

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