N.Y. Port Engineers Society Discusses Importance Of Propeller Finish
The recent meeting of The Society of Marine Port Engineers New York, N.Y. heard a paper titled "The Importance of Good Surface Finish on Large Diameter Propellers," presented by James W. Elliott Jr., engineering manager at Michigan Wheel Gulf Coast, Inc., Pascagoula, Miss.
In introducing his paper the author said that the surface finish and configuration of a ship's propeller is one of the most important factors in maintaining maximum fuel efficiency. The deviation of various propeller characteristics from design contribute to loss of operating efficiency by creating adverse water flow conditions that aid in the development of surface defects, he stated.
The author also discussed propeller surface characteristics as they pertain to water flow, and their relationship with cavitation.
He detailed the effect of irregular surface finish, along with methods of inspection and repair of these discrepant conditions. He also gave some suggestions for development of an individual inspection and evaluation program in order that each propeller application can achieve optimum operational efficiency.
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Content
- Indonesia Signs $150-Million Agreement For 4 Boeing Jetfoils page: 5
- Joint Venture Formed By Union Carbide And MTL page: 5
- Global Marine Introduces New Designs For New Generation Of Heavy Weather Jackups page: 6
- M i t c h e l l M a r i n e Delivers Fourth Service Boat page: 7
- Swift Group Management Promotions Announced page: 8
- Bay Shipbuilding Building Coal Topping Off Barge page: 8
- Radm. Nunneley New President Of ASNE page: 9
- Ship Survivability Topic Of Symposium In Philadelphia December 7 page: 10
- Miniliner Newport Clipper Delivered By Jeffboat page: 10
- Marinette Marine Awarded $6-Million Navy Contract page: 11
- ASNE Call For Papers For '84 Naval Ship Symposium page: 11
- Third ARS Keel Laying At Peterson Builders page: 12
- Navy Awards Tracor $7.7-Million Contract page: 12
- Thomas Marine Offers 38' Aluminum Crewboat —Literature Available page: 12
- Nav-Com Names Franza Director Of Marketing page: 13
- Offshore Drilling Rig Sedco 602 Delivered By Promet Shipyard page: 14
- Uniroyal Fendering To Be Fitted On ARAMCO Tug —Literature Available page: 14
- Changes In The Navy Shipbuilding Program — An Update — page: 16
- Wartsila Diesels To Power Sonat Semisubmersible —Literature Available page: 25
- Blount Marine Gets Orders For Three New Vessels page: 26
- PIMA Established As Shipbuilding/Repair Agents page: 26
- U.S. And Canadian Companies Licensed To Build Vickdock page: 27
- N.Y. Port Engineers Society Discusses Importance Of Propeller Finish page: 33
- Halter Marine Completes Contract With Tidewater page: 34
- Great Lakes Towing Christens 250-Ton Drydock page: 35
- TCS Cuts Barge-Moving Costs With New Winch-Control System page: 36
- Financial Moratorium At Verolme Botlek Lifted page: 37
- Concrete Offshore Platform Designed By Foundation-Skanska page: 37
- Productivity Advances In Shipbuilding page: 38
- National Marine Names Mangan Service Manager page: 40
- Fetterolf Acquires Stacey Valve Products —Literature Available page: 40
- SNAME Gulf Section Meets In Biloxi page: 45
- Armco Adds Forging Capability For Stainless-Steel Products —Free Literature Available page: 45
- Submarine Honolulu Launched At Newport News Shipbuilding page: 45
- Wartsila Opens Newest Factory In Singapore —Engine Literature Available page: 50
