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WATERTIGHT DOORS IN STOCK SIZES 26"x48" 26"x60" 5/16" Frame 26"x66" 30"x60" 1/4" Panel STEEL DOGS 6-Dog right and left hand hinged doors with frames. Constructed of V*" steel plate and meet Coast Guard regulations for above deck as well as below deck use. All dogs are bronze bushed. Built to ABS. LEVER OPERATED OR WHEEL OPERATED DOORS AVAILABLE 26"x48" 26"x66" 30"x60" NEW 7" RADIUS PANAMA CHOCKS (MEET PANAMA REGULATIONS) 14" * 10" CLEAR OPENING Wrth extended legs for welding to deck 14" wide on base length 28" height 27%" IMMEDIATE DELIVERY FROM STOCK. ALSO 12" x 10" IN STOCK THE BOSTON METALS COMPANY 313 E. Baltimore St. Marine Warehouse TWX: 710-234-1637 Baltimore, Md. 21202 (301)752-1077 Two brand new 8 cylinder. Vee configuration, four cycle, 9x101/2, turbocharged and after- cooled, Alco Model 251, heavy duty diesel en- gine for twin screw oceangoing propulsion One engine will be Alco standard counter- clockwise rotation and the other will be clock- wise rotation. Each is rated 1620 BHP at 1000 RPM and 120 degrees fahrenheit ambient for continuous service. Survey available on re- quest. Contact Rivergulf Agency, Inc., New Orleans, La. (504) 524-2613, Alex or Panos FIREBOAT FOR SALE Twin screw 95 x 23 x 6'09" built in 1949 by Defor. Inc. always in fresh water well maintained and in good operational condi- tion. Height above water line 11 '06" Four 375 HP Nordberg engines Two 30 KW A C. Generators Chicago. Ill 312-721- 4138 FOR SALE New Floating 1500 & 900 Ton Drydocks For Further Information Call (504) 384-3060 54 MARCONI LODESTAR 3D AUTO- MATIC DIRECTION FINDER. IMCO AND SOLAS APPROVED. USED 6 MONTHS. (813) 885-3996. FOR SALE OR MERGER MARINE AND NAVY REPAIR COMPANY. FACILITIES IN SO. CALIFORNIA AND NOR- FOLK, VA. AREA. EACH FACILITY HAS EXPERIENCED REPAIR PERSONNEL, MACHINE SHOPS WITH TESTING CAPABILITY OF STEAM. HYDRO AND PNEUMATIC. Box 801 Maritime Reporter 118 East 25th St.. New York, NY 10010 BMEP Balancer Used To Increase Fuel Efficiency In Diesels BMEP Balancer Model 300-A The power an engine develops is dependent on the pressure developed in its cylinder or cylinders. The General Thermodynamics Corpo- ration, Plymouth, Mass., uses this pressure to sense the power developed in various types of engines. Its initial application was in an aircraft engine to give a continuous reading of developed power when driving a constant speed propeller. This is equivalent to driving a variable-pitch propeller on a ship, whereby engine power can be varied widely at any given engine speed. For shipboard use to date, this concept is applied mostly in the form of the BMEP Bal- ancer, Model 300-A, to equalize the power distri- bution among the cylinders of an engine. With the balancer, it is said to be possible to make a fuel adjustment on a cylinder, increasing or decreasing the power developed, while watching the instrument reading move to the desired val- ue. This would optimize fuel consumption and remove the danger of overloading a cylinder or cylinders, as well as bearings, and results in a quieter, smoother-running engine. The actual power being developed by a run- ning engine can be read by referring the balanc- er reading to a calibration chart. The balancer attaches to a standard indicator valve and continuously senses combustion chamber pressure. There is no need for external excitation, and it is direct reading. For further information and free literature about General Thermodynamics Corporation and the BMEP Balancer, Model 300-A. Circle 59 on Reader Service Card System For Renovating Floors Described In New Brochure —Literature Available A new six-page, four-color brochure from Sel- by, Battersby & Co. describes the Selby System, in which thorough investigation, proper subfloor preparation and field-tested installation proce- dures produce years of trouble-free flooring ser- vice. Abuse from chemicals or just simple wear and tear can reduce floors in industrial, institutional and commercial buildings into pitted, dangerous surfaces. New construction may be impractical or too expensive. The brochure describes how to evaluate problems on-site and how to select the most effective rehabilitation method and best flooring material for the area. The brochure contains color and black and white photos showing typical before/after instal- lations. Facts about surface preparation, cost- effectiveness, chemical and physical abuse, safe- ty, waterproof capabilities, decorative materials and maintenance are all detailed. Almost any customized flooring need can be satisfied with Selby's multiple product line, according to the brochure, and the firm's trained applicators and representatives are located throughout the U.S. and in many international markets. For more information and free literature from Selby, Battersby & Co., Circle 70 on Reader Service Card New 28-Page Catalog Describes Broad Line Of Pressure, Pump Flow & Level Marine Products Available From Single Source Transamerica Delaval has available a new 28- page catalog describing the company's broad range of marine products. These products are manufactured worldwide to meet international marine standards. For the first time, these products can be found in a single catalog. They are manufactured by Barksdale Controls, Gems Sensors Division, Pyramid Pump Division, Weka AG, Transamer- ica Instruments Ltd., and Delaval Turbine GmbH. Also illustrated in the catalog are marine applications for both shipboard and offshore use. Products described are pressure switches, transducers, signal-conditioned transmitters and vibration sensors. Also included are temper- ature switches and flow switches, as well as many different types of level switches and indi- cators: non-electric, externally mounted, manu- al check, sounding tapes, etc. The catalog lists international marine approv- als for the various products. All products in- cluded are backed by worldwide sales, service and manufacturing. For further information and a free copy of this new 28-page catalog from Transamerica Dela- val, Circle 58 on Reader Service Card Maritime Reporter/Engineering News
