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Topic: Medium speed engines

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	CHECK LISTS FOR MEDIUM SPEED ENGINES
		For four-stroke medium speed diesel engines running on HFO, a quick and practical check for burnt exhaust valves is to roll the engine with turning gear whilst feeling with the back of your hand expelled compression gases at each cylinder indicator cock.
		However, due to the difficulty in locating piston ring blow-by with some data collecting equipment, it might be necessary to revert back to the tried and tested method of putting air into each cylinder via the indicator cock, with the piston on the compression stroke just after the inlet and exhaust valves have closed.
		But for two-stroke slow speed engines close the air to distributor valve.
	www.msc.navy.mil /n7/lcm/LCIN004.htm (666 words)

	The Medium Speed 4 Stroke Trunk Piston Engine
		Medium speed engines have a higher power to weight ratio than the slow speed two strokes, but due to the higher speeds tend to have reduced maintenance intervals.
		The purpose of the skirt or trunk in four-stroke cycle engines is to act in a similar manner to a crosshead.
		With such engines, which are termed trunk-piston engines, the engine height is considerably reduced compared with that of a crosshead engine of similar power and speed.
	www.marinediesels.info /4_stroke_trunk_piston_engine_access.htm (422 words)

	4-stroke engines - Burmeister & Wain Scandinavian Contractor
		4-stroke engines: 4-stroke medium speed diesel engines are mainly used for power generation into smaller electrical grids such as on islands, in remote areas, in fast track development projects, or for industrial purposes such as auto-producer.
		Medium speed engines are competitive for intermediate or base load power plants up to the 200 MW range.
		BWSC 2-stroke low speed diesel engines are used for base load power generation in large utilities or in Independent Power Producer (IPP) plants.
	www.bwsc.dk /buren/4-stroke_engines.asp (521 words)

	Marine and industrial medium speed engines of Z40 series
		Most of the engines work as main propulsion on medium-size ships, some as originally designed for stationary power generation, some as reserve power source for nuclear power plants.
		The engines were built in many variants for first MDO, later added HFO in marine and stationary versions, in L and V cylinder arrangement, reversible and non-reversible.
		ZA40 engines were not very successful: only several ones have been built, including 3 ones by Zgoda in Poland.
	www.sulzer-z40.com (614 words)

	Slow Speed Diesel Engines
		Electric companies are switching a lot of their power generation from medium speed diesels and steam turbines to slow speed diesels because of these efficiencies and longer life of the engine.
		The engine is set up with two fuel tanks and first started on common diesel fuel or bio-diesel.
		One engine that seems to be perfect for the home do-it-yourselfer is the Lister CS engine.
	www.slowspeeddiesel.com (468 words)

	Ship Technology - MAN B&W Diesel - Diesel Engines, Gensets and Turbochargers
		Medium-speed engines are a major force in cargo and passenger ship propulsion and hence play a valuable role in facilitating world trade.
		Modern auxiliary engines are run on the same high-viscosity fuel grades as the main engines to maximise economy.
		MAN BandW Diesel engines power freight and passenger locomotives, both conventional and high speed, which are in reliable service across the world, and are suitable for both new locomotives and repowering applications.
	www.ship-technology.com /contractors/propulsion/man (609 words)

	MAN Diesel - PRODUCTS->STATIONARY POWER->MEDIUM-SPEED ENGINES
		Four-stroke medium-speed diesel engines dominate base load power generation up to plant sizes of 200 MW, where their competitive first-cost, high efficiencies and low life-cycle costs underwrite success.
		These engines comfortably meet current emission standards, and are able to comply with more stringent national codes by adding emission reduction equipment.
		In addition to four-stroke medium-speed engines suitable for operation on residual fuels, crude oil and distillate fuels, MAN Diesel offers a variety of engines for operation on gas, with retrofit possibilities.
	www.manbw.com /category_000084.html (142 words)

	Tractor & Equipment - Nigeria :: Products :: Caterpillar Equipment :: New Engines & Power Systems (Site not responding. Last check: 2007-10-16)
		Caterpillar is the world's largest manufacturer of medium speed engines, as well as one of the largest manufacturers of high speed diesel engines.
		Engines are available from 54 to 13,600 hp (40 to 10,000 KW).
		Unlike most generating sets and engine suppliers, we provide turn key services to our clients covering all stages of the power systems project including system design, engineering, testing, installation, commissioning, training, field service, long term maintenance and repair.
	www.tractorequip-ng.com /docs/products/heavy/engines.htm (174 words)

	DG Energy - Reciprocating Engines
		High-speed units are derived from automotive or truck engines and operate at 1,200 to 3,600 rpm.
		Medium-speed engines are derived from locomotive and small marine engines, and operate at 275 to 1,000 rpm, have higher capital costs, but also have greater efficiency.
		Low-speed engines are designed to burn low-quality residual fuels and are practical only if there is a large price differential between heavy oil and natural gas and there are no environmental restrictions (not in U.S.).
	www.dg-energy.com /recips.cfm (355 words)

	Marine and industrial medium speed engines of AL20 and A25 series (Site not responding. Last check: 2007-10-16)
		Zaklady Przemyslu Metalowego (ZPM) H.Cegielski in Poznan, Poland, have obtained licence for production of various medium speed engines of AL20 and A25 series from Sulzer Brothers Ltd., later New Sulzer Diesel and then Wartsila-NSD.
		Most of the engines work in auxiliary power generators on ships, some as stationary power source (especially popular in India as recovered from scrapped ships and rebuilt), many as main propulsion in many tugs, floating cranes and fishing boats.
		Engines Sulzer AL20 and A25 series have been built in Poland, Yugoslavia and probably in some other countries around the world.
	www.sulzer-al20.com (395 words)

	Yanmar Europe \| Large Engines: General Information
		The Large Engines Department is responsible for marine propulsion engines and for marine auxiliary medium speed diesel generators with a power range up to 3310 kW.
		Yanmar’s large engines are used in a wide range of applications like small/large cargo vessels, tug/workboats and fishing vessels.
		The medium speed engines are designed to use marine diesel oil and heavy fuel oil up to 700 cSt.
	www.yanmar.nl /productrange/le.php (179 words)

	Caterpillar Engines and Caterpillar Parts on DieselEngineTrader
		Caterpillar is the world's largest manufacturer of medium speed engines and one of the largest manufacturers of high speed diesel engines.
		Applications for their engines include On-Highway, Marine, Industrial/OEM, Oil & Gas and Power Generation and they cover a range from 54 to 13,600 HP.
		Thousands of Caterpillar engines and parts are listed both locally and globally to ensure you find the engine or part you are looking for.
	www.dieselenginetrader.com /Engines/caterpillar.cfm (208 words)

	High speed diesel engines - Railways - S.E.M.T. Pielstick
		The S.E.M.T. Pielstick PA4 V 200 VG (bore 200 mm - stroke 210 mm) has a power output of 1 765 kW (UIC) for the 12 cylinders and 2 640 kW (UIC) for the 16 cylinders, both at 1 500 rpm.
		The PA4 V 200 engine features a high power/weight ratio making this Diesel engine a very compact and light weight efficient solution for high power mainline locomotives with reduced axle load, including BB classes, as demonstrated by the PA4 wide engine references.
		Thanks to the use of a pre-combustion chamber with variable geometry (VG) together with a special injection system, the NOx emission level is at least divided by two compared to the level of a conventional engine equipped with a direct injection system.
	www.pielstick.com /railways/high-speed-diesel-engines.htm (149 words)

	Shipping, shipbuilding, offshore news
		By applying different GE engine combinations -- such as diesel and gas turbine (CODAG) or diesel or gas turbine (CODOG) arrangements -- a simple system can be configured to use fewer auxiliaries.
		GE's medium-speed diesel engines are well suited for inland waterway vessels such as tug boats, towboats, and ferries.
		GE also offers products for EMD engines that include components for both the 645 and 710 engines, with enhanced features for increased product life, reliability and performance.
	www.marinelog.com /DOCS/NEWSMMIV/MMIVJan29.html (580 words)

	Power Technology - MAN B&W Diesel - Diesel Engines and Diesel Power Plants (Site not responding. Last check: 2007-10-16)
		We are the world's largest manufacturer and supplier of two-stroke diesel engines, and the second largest supplier of large-bore medium-speed diesel engines with manufacturing locations, worldwide licensees and service representations.
		For approximately a century, MAN B&W Diesel have been building diesel power plants and, therefore, have a wide knowledge and extensive experience which is required for customer-oriented establishment of complete, turnkey power plants.
		The first emission limits - all of which applied at national level - were introduced for stationary internal combustion engines and for road vehicles.
	www.power-technology.com /contractors/gensets/man_b_w (546 words)

	Energy International
		Cat® Medium Speed Engines are at work in more applications than any other brand, matching virtually any horsepower, RPM, or fuel specification including crude, diesel or gas.
		With Cat engines you can rest assured you will have the best equipment in the industry for your operations thanks to their high reliability and their low operating and maintenance costs.
		MAK gensets are rated from 2.8 to 15.0 MW and are designed for a maximum return on investment based on their high availability, quick installation, and low overhaul costs.
	www.enint.com /reciprocatingengines.html (185 words)

	Fabick CAT - Products - Engines
		Caterpillar engines and engine systems provide power to much of the world.
		Our engines provide power to trucks, ships and boats, our own construction and mining machines, and much more.
		Electrical power systems supply both primary and standby power for a variety of uses, such as off-shore oil rigs, large mines in remote deserts or mountain ranges, entire communities in remote areas far from a utility power grid, and finally hospitals, schools, factories, airports and office buildings.
	www.fabickcat.com /engines.html (123 words)

	Medium & High Speed Diesel Engines
		Medium-speed diesel engines, operating on residual fuel are among the most demanding of applications for lubricants.
		The oil in these engines experiences a greater stress than that in a slow speed engine.
		Monitoring the TBN and using a high BN oil is proven to greatly reduce the cost of lubrication under these circumstances, as exemplified by one customer operating a cement plant in India and using our equipment for this purpose.
	www.kittiwake.com /Default.aspx/ProductSection/75/ProductSubSection/76/ProductSubSubSection/78 (369 words)

	Worldwide \| News Detail
		The business consists of original spare parts sales, repair and maintenance for Deutz medium and large marine diesel engines covering the medium- and high-speed engines with outputs ranging up to 7250 kW.
		The move will increase Wärtsilä Service’s installed engine base by 12 500 MW or 9%; at the time of the announcement the total base was 130 000 MW.
		The Deutz service portfolio for medium and large marine engines covers the its 628 medium-speed engines, the 616 and 620 high-speed engines, as well as the older medium- and high-speed 716, 816, 232, 234, 601, 602, 603, 604, 528, 440, 441, 444, 500, 501, 510, 540, 640 and 645 engine types.
	www.dieselpub.com /ww/news_detail.asp?pick=129 (338 words)

	Anderson Industrial Engines - Caterpiller Diesel Engines (Site not responding. Last check: 2007-10-16)
		From www.cat.com, "Caterpillar is the world's largest manufacturer of medium speed engines, as well as one of the world's largest manufacturers of high speed diesel engines, with ratings available from 54 to 13,600 hp (40 to 10,000 kW).
		Electrical power systems supply both primary and standby power for a variety of uses -- like off-shore oil rigs, huge mines in remote deserts or mountain ranges, entire communities in areas not close to a utility power grid, hospitals, schools, factories, airports and office buildings.
		For more information on Caterpillar industrial engines, please feel free to contact us, request a price quote, or visit the Caterpillar site.
	www.ai-engines.com /products/engines/diesel/caterpillar.php (247 words)

	American Warrior
		Caterpillar is the world's largest manufacturer of medium speed engines, as well as one of the world's largest manufacturers of high speed diesel engines, with ratings available from 54 to 13,600 hp (40 to 10,000 kW).
		Caterpillar engines and engine systems provide power to the world.
		Electrical power systems supply both primary and standby power for a variety of uses - like off-shore oil rigs, huge mines in remote deserts or mountain ranges, entire communities in areas not close to a utility power grid, hospitals, schools, factories, airports and office buildings.
	www.americanwarrior.com /caterpillar.htm (136 words)

	[No title]
		They are looking to add to their engineering teams by recruiting experienced Service Engineers to work on new and established projects both in the UK and abroad.
		The successful candidate will work worldwide on varied power generation projects focusing on the servicing and installation of medium speed diesel engines, electrical PLC controls, piping and ancillary equipment (pumps, motors, boilers etc).
		You should be mechanically qualified, be a good all round engineer and have medium speed diesel engine power generation experience within plant, marine or oil and gas based applications.
	www.totaljobs.com /Jobseeking/job25717939.html (322 words)

	Fuels and Lubricants Technical Committee 9 - Fuel, Emission, & Lubricants for Medium Speed Engines & Associated ...
		Technical Committee 9 will develop, collect and disseminate technical information on fuels, lubricants and exhaust emissions of medium speed off-highway engines.
		These engines, generally in the 800-1200 RPM range are used for railroad, inland marine, pipeline, drill rig, power generation and other applications.
		This committee is not expected to develop specifications and/or classifications that are within the scope of other technical committees.
	www.sae.org /standardsdev/groundvehicle/gflt9.htm (131 words)

	Worldwide \| News Detail
		The engines will be used to power newly constructed boats and to repower Pesquera Diamante’s entire fleet of purseine net fishing boats.
		All the diesel engines will be manufactured at GE’s Grove City, Pennsylvania, U.S.A. facility.
		Several of the engines for Pesquera Diamante will be shipped in 2005, while the remainder will be delivered over the next four years.
	www.dieselpub.com /ww/news_detail.asp?pick=382 (126 words)

	Fuels: Canada
		Type A-LS High speed diesel engine applications involving frequent and relatively wide variations in loads and speeds and when ambient temperatures require better low temperature properties.
		High speed and medium speed diesel engines, gas turbines and boilers in marine service and when ambient temperatures are higher than –1°C. Maximum fuel sulfur of 5000 mg/kg.
		High speed and medium speed diesel engines, gas turbines and boilers in marine service and when ambient temperatures are higher than –12°C. Maximum fuel sulfur of 5000 mg/kg.
	www.dieselnet.com /standards/ca/fuel.php (675 words)

	Gannon University :: Research10
		The understanding of the inlet condition effects on the output performance and exhaust emissions of high-power medium-speed diesel engines is an important issue in evaluating, testing and designing the type of engines.
		Analytical and experimental investigation were conducted to achieve better understanding of the condition effects on the engine outputs and exhaust emissions.
		The main focus of the work in this paper is not on the determination of outputs correction factors for a particular engine, is on the understanding and methodology of the appropriate determination of engine outputs and exhaust emissions in general.
	www.gannon.edu /departmental/ecs/me/research/research10.asp (213 words)

	Unatrac :: Products :: Caterpillar Equipment :: New Engines & Power Systems (Site not responding. Last check: 2007-10-16)
		Caterpillar is the world's largest manufacturer of medium speed engines, as well as one of the largest manufacturers of high speed diesel engines, with ratings available from 54 to 13,600 hp (40 to 10,000 KW).
		We supply Caterpillar and Olympian generator sets (10 KVA to 220 KVA) that provide electrical power systems, giving both primary and stand by power for a variety of uses such as off-shore oilrigs, hospitals, schools, factories, airports and office buildings.
		Unlike most generating sets and engine suppliers, we provide turnkey services to our clients covering all stages of the power systems project including system design, engineering, testing, installation, commissioning, training, field service, long term maintenance and repair.
	www.unatrac.com /docs/products/heavy/engines.htm (135 words)

	Shell Oil Lubricants - marine.htm
		Both SAE 20W-40 Oils provide the unique performance benefits of reduced engine fuel and oil consumption and, in severe applications, longer oil drain intervals through control of used oil viscosity increase.
		This broadens their applications, especially in marine service where they may be used in both main engines and many auxiliary engines.
		They are recommended for use in many other medium speed diesel engines.
	www.islandoilsupply.com /shell/marine.htm (625 words)

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