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JET EXPRESS II Equipment List Main Engines Water Jets Engine Controls Gansets Radar VHF Loran Compass Deutz MWM KaMeWa 63 S 2 KaMeWa Lister Raytheon ICOM Micrologic Explorer Plath this is the eighth catamaran ferry that the shipyard has built. The M/V Jet Express II was de- livered to the Put-In Bay Boat Co. of Put-In Bay, Ohio. The 98-foot ves- sel is the company's second interna- tional catamaran built by Gladding- Hearn. The 395-passenger vessel will provide seasonal ferry service be- tween Put-In Bay on Lake Erie's South Bass Island and Port Clinton, Ohio. The Jet Express II joins the 93-foot Jet Express which was de- livered in 1989 and will reportedly more than double the operator's daily excursion service to Put-In Bay, a resort community. Both vessels are reported to be able to make the 12-mile trip in about 20 minutes. The Jet Express II is powered by twin 1740 bhp Deutz MWM diesel engines and driven by two KaMeWa water jets. A speed of 32 knots can be obtained when fully loaded and is equipped with hydraulic adjust- able trim tabs. The Jet Express II was designed specifically for navigating over the shoals which surround Port Clinton. The water jets reportedly raise the catamaran's draft from 7.5 feet, which is typical with conventional subcavitating propellers, to about 3.25 feet. The all-aluminum vessel features three passenger decks with uphol- stered seats, which were made by Gladding-Hearn and Norwegian Georg Eknes, and a large cargo deck. The wide aisles and coamingless doors, folding seats, large head and wide flip-down gates reportedly make the vessel easily accessible to disabled passengers. Other vessels which are pres- ently under construction at Gladding-Hearn include a 65-foot pilot boat for the San Francisco Bar Pilots, a fire boat for the New York City fire department and a monohull, high-speed passenger ferry for an operator in the City of New York. For further information describ- ing the shipbuilding capabilities of Gladding-Hearn Shipbuilding, Circle 13 on Reader Service Card Boats & Barges The Jet Express II, shown with her sistership the Jet Express, in service on Lake Erie. Gladding-Hearn Delivers High-Speed Ferry For Lake Erie Service Gladding-Hearn Shipbuilding, ger ferry for service on the Great The Duclos Corp., recently deliv- Lakes. Since becoming a licensee of ered its fourth high-speed passen- Australia's Incat Design in 1986, Propulsion Update Schottel Offers 20-Page Propulsion Technology Brochure The International Schottel Group offers worldwide sales and service with its headquarters located in Spay/Rhein, Germany. A free 20-page full color brochure is available from Schottel. It de- scribes, with text and color pictures, the wide range of propulsion equip- ment parts and support services of- fered by Schottel throughout the world—Rudderpropellers, thrust- ers, jet propulsion, pump jets, cone jets, steering and control systems, clutches, etc. For over 70 years Schottel has been bringing its customers reliable and economical propulsion systems. Perhaps the best known Schottel system is the Rudderpropeller which is a combined propulsion and steer- ing unit. With this system the pro- peller can be rotated through 360 degrees in order to provide full thrust in any direction. This system has been in use throughout the world for over 35 years. The units which are currently available range from 15 kW to 5,000 kW (20 hp to 7,000 hp). Schottel Rudderpropellers are in service for main propulsion, pro- pulsion assistance and dynamic po- sitioning in all fields of shipping. It is available to be fitted steerable or non-steerable, retractable or non- retractable, for vertical or horizon- 98 tal drive and with fixed or control- lable pitch propellers. Schottel also manufactures vari- ous type of heavy-duty jet propul- sion systems designed specifically for shallow-draft propulsion. The Pump-Jet has a pump wheel rather than a propeller in order to be able to install the system flush with the bottom of the vessel. The Pump-Jet is reported to be able to operate in depths of water as shallow as four inches. The Cone-Jets were devel- oped as a main drive or for a bow maneuvering aid for vessels such as ferries, motorized cargo vessels and barges. The unit is equipped with a propeller rotating at a 25 degree angle which forces the water into an elbow which can be rotated about a vertical axis through 360 degrees. The Schottel Navigator is a com- plete propulsion package, also avail- able in a sound-proofed version. These units can be constructed to serve as a fuel tank and also house the entire propulsion system. Power is transmitted between the engine and the Rudderpropeller through the use of a Schottel clutch. Various L- and Z-versions of the Schottel Transverse Thruster can be made to reflect individual re- quirements for different types of vessels. The Transverse Thruster Schottel's Rudder propeller can be made with an adjustable pitch propeller to fit engine output and hull form. Schottel's steering and control systems were developed to fit each of the various propulsion systems. Some of the steering systems offered are handmechanical, follow-up, re- mote-control (Copilot 2000) and com- puter-controlled steering systems for ships (Schottel Masterpilot). The system can also come equipped with Schottel's alarm system which moni- tors the entire propulsion plant. For more information, Circle 153 on Reader Service Card Brunvoll A/S Specializes In Thruster Systems— Literature Available Brunvoll A/S of Norway has been manufacturing thruster systems for over 80 years. Brunvoll thruster systems have been installed aboard Carnival Cruise Lines "Fantasy" class cruise ships, the SSC Radisson Diamond and the Royal Viking Queen. The company has developed a patented low noise concept for thrusters which implements a fully resiliently mounted thruster tun- nel with no direct steel connection between the thruster tunnel and the ship's structure. The thrust force and weight of the unit are transmitted to the supporting struc- ture by rubber mounts. The unit is sealed off to the sea and hull by double highly flexible rubber seals. Brunvoll recently was awarded a contract to supply six of its bow thrusters to three combined cruise passenger/cargo ferries being built by Volkswerft Stralsund/Meyer Werft in Germany for the Norwe- gian express services, Hurtigruten. All six units are expected to be deliv- ered to the yard within a period of six months. For literature detailing the prod- ucts and services offered by Brunvoll A/S Circle 80 on Reader Service Card Maritime Reporter/Engineering News
