Speed Afloat, Powered by France Helices

John Miele

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SCAN Marine represents France Helices in the Philippines. With locations around the country, SCAN Marine can provide France Helices’ customers the level of service they have come to expect and demand. Visit the SCAN Marine web site for more information about this outstanding company and the services and products they provide: http://www.scanmarine.com.ph. Scan Marine Inc. (SMI) is a well-established corporation existing under and by virtue of the laws of the Republic of the Philippines, with business and postal address at 160 Honorio Lopez Boulevard, Balut, Tondo, and Manila, Philippines. SMI is 100% Filipino ownership and was formed and registered with the Securities and Exchange Commission on May 5, 1981 with the hereunder Primary Purpose and Secondary Purpose, among others, as amended on September 12, 2002: PRIMARY PURPOSE    To provide the Marine Industries suc... (more)

12m Wave Piercer Interceptor Video

The video below is a very fast project that France Helices completed in the Middle East a few years ago… We hope you find it interesting. Our design house can design similar wave-piercing hulls and propulsion systems for your fleet, with top speeds approaching 100 knots. We also have a network of shipbuilding partners to build the vessel for you!   Share! (function() { var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true; po.src = 'https://apis.google.com/js/plusone.js'; var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBe... (more)

Calculation information… and why we need it (Part III)

This posting is related to engines and gearboxes, and how they impact vessel speed and performance. It is a common misconception that if you simply add more power to a vessel, that speed will increase. Though, on one level this supposition is true, on a different level it is misleading. Oftentimes, a higher power engine weighs more, sometimes significantly, and any gains in speed are largely offset by the higher displacement. France Helices is very specific about engine data we require. We need to know the number of engines, the make, model, and rating. On some engines, such as ... (more)

What is the difference between cavitation and electrolysis?

The following paper was presented by France Helices’ president a while back. It discusses the difference between cavitation and electrolysis and the impact of both on propellers and propulsion. These two phenomena are often confused and it is important to learn to recognize the difference between them, so that the cause of problems can be determined and adequate fixes can be made. We have translated this version from the original French version. We hope you find it interesting. Introduction I have often had the opportunity to see during my career that there was some blurring in... (more)

Welcome to Tier II NOX Regulations

On January 1, the MARPOL Tier II NOX regulations went into effect. From this date onward,  marine diesel engines may emit no more than  7.7~14.4.0 g/kWh of NOX, depending on rating. Tier III goes into effect on January 1, 2016, five years from now, with NOX limits of  g2.0~3.4 /kWh. Though Tier II requirements have been known for a while, very little was written about the implementation date of the regulations. Some vessels are “grandfathered” into the regulations, whereas most other must comply. Some ship owners are letting the engine maker deal with the problem, taking the op... (more)