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Diesel Power Review—Gardner (continued from page 24) worldwide reputation for fuel economy, reliability, and durability. The Gardner engine line ranges from the 6LMB, a naturally aspir- ated model producing 127 bhp, to the 8LXCT, an in-line, turbo- charged 8-cylinder engine with output of 200 bhp. The four engine models in this power range are lightweight with aluminum alloy crankcases, with flywheel housing to suit a Twin Disc 509 reduction gear. Specific fuel consumption is in the order of 0.326 pounds per bhp hour. Gardner also maintains produc- tion of the naturally aspirated 8L3B marine diesel, a heavy-duty 8-cylinder engine producing 250 bhp at 1,250 rpm. This engine is of robust design, highly suited for the fish trawling industry. GENERAL ELECTRIC Circle 21 on Reader Service Card GE's fuel-efficient, four-stroke 7FDM marine diesel engines now offer ratings from 1,525 to 4,000 bhp. The 8-cylinder model is rated 1,525 bhp at 900 rpm and 1,800 Magnus Maritec Offers An Advanced Level Of Fuel Oil Treatment Technology. The FOCUS Program. A breakthrough in onboard identification of fuel problems. A product of Magnus Maritec's 25 years of marine chemical research and development, FOCUS is an advanced, multi-step fuel treatment program of onboard diagnostic systems and chemical analysis procedures. Ongoing laboratory support insures precision treatments. This advanced technology pinpoints physical properties and contaminants and prescribes the dosage of addi- tives needed to neutralize their harmful effects. Employed efficiently, the FOCUS Program can dramatically reduce maintenance and repair costs, where chemical treatment is the answer. Learn more about the prob- lems of lowgrade fuel oils — and how Magnus Maritec is solving them. Send for our new, full color brochure fully explain- ing the FOCUS Program. Find Out How A Higher Level Of Fuel Oil Treatment Technology Can Lower Your Costs. FUEL OIL TREATMENT PROGRAM m I I 11 I 18*' (S M 1 MAGNUS MARITEC B - "" I B VI MAGNUS MARITEC INTERNATIONAL INC. ® Leaders in the Science of Marine Chemistry 4 Subsidiary of El ECONOMICS LABORATORY INTERNATIONAL LTD. 150 Roosevelt Place. P.O. Box 150 Palisades Park, New Jersey. USA 07650 Phone (201) 592-0700 Telex 135-377:21-9190 Major offices in: United Kingdom. Spain, Italy, Greece. Brazil. Singapore, Norway & Finland bhp at 1,050 rpm. The 7FDM 12-cylinder engines are rated at 2,550 bhp and 3,000 bhp at 900 and 1,050 rpm, respectively, while 16-cylinder engines carry ratings of 3,400 bhp at 900 rpm and 4,000 bhp at 1,050 rpm. To help reduce fuel costs, GE's Blended Fuel Testing Program is presently burning a blend of 50 percent #6 fuel with 50 percent #2 fuel in its new Engine Endur- ance Laboratory in Erie, Pa. ft is expected that testing of this 50/50 blend on board an operating vessel will begin later this year. General Electric's recently in- troduced three-ring piston design significantly reduced lube oil con- sumption during field tests. This GE design, using two compression rings and one oil control ring, also reduces ring wear for longer life between overhauls. The development of GE turbo- chargers that operate more effec- tively in marine service has greatly improved acceleration characteris- tics and can further improve fuel efficiency. The projected life of connection rod bearings and their crankshaft journals has been in- creased with the development of a grooveless upper rod bearing half, while welded-in, stainless steel 30-degree value seats improve cyl- inder head life. GE's 7FDM marine diesel en- gines are supported by an exten- sive parts and service network that engine users can access sim- ply by calling the GE Actionline number—(800) 325-9668. The GE "48 Hours or Free" policy promises that parts needed for all emer- gency repairs will be delivered to the customer's shoreside location within 48 hours or there will be no charge for the parts or their transportation. GEORGE ENGINE Circle 44 on Reader Service Card George Engine is offering a six- page full-color brochure describing its range of services for diesel en- gines including custom power packages for marine and offshore applications. The company has been known as an innovator in the power application industry since 1945 providing its broad range of services from locations in Harvey, Baton Rouge, Lafayette, and Mor- gan City, La. As much as an 11.5-percent re- duction in fuel consumption can be realized by George Engine Com- pany's "bypass operation"—the upgrading of a Detroit Diesel 149 series engine from its normally as- pired (NA) configuration to a tur- bocharged, intercooled, blower-by- pass (TIB) configuration using the latest high-tech components from Detroit Diesel. Fuel savings pro- vide a rapid payback of the cost of conversion. The blower-bypass is a simple butterfly valve arrangement that automatically diverts the incom- ing combustion air around the Circle 269 on Reader Service Card
