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8144 messages, Last post on Dec 03, 2009 at 4:39 PM
You are in the Diesels Forum. Your Host is kcram
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The worlds biggest engine is the Wartsila-Sulzer RTA96-C. It is a turbo charged two stroke diesel engine and it is the most powerful and efficient low revolution engine in the world today. The Wartsila-Sulser is manufactured by the Aioi Works in Japan and is part of Japans Diesel United Ltd engine manufacturers. These engines are built in 6, 8, 10, 12 and 14 cylinder configurations. All the engines are straight or 'inline'. The diameter of each cylinder is 3 foot 2 inches with a stroke of 8 foot 2 inches. The 12 cylinder version weighs in at 2000 metric tons and delivers 90,000 Horse Power at 100 Revs per minute, with best fuel economy at 53,244 HP at 90 Rpm. When I mention economy, the 14 cylinder engine for example with a displacement of 25,480 Litres ( 1.56 million cubic inches ) burns up 1,660 gallons of crude ("bunker") oil every hour..The Mathematical calculation : 1,660 gallons/per hour = 39.5 barrels of crude oil/used per hour = $2,844. These figures are worked out from the basis of crude oil  $72 a barrel*.  My question is how much pollution this produces per hour with 3000+ PPM sulfur bunker oil? I thought Japan was at the leading edge of cutting pollution. Isn't Kyoto a Japanese word? Maybe they made a deal that they will sell so many Prius for each one of these monsters.
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Replying to: gagrice (Nov 04, 2008 9:44 am) To get some idea of what this super-diesel powers, go here : Emma Maersk Do read the section on "Engine and Environment". Lots of pics around the 'net, of this, the world's largest ship, if you're interested |
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Replying to: gagrice (Nov 04, 2008 9:44 am)
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Replying to: roland3 (Nov 04, 2008 12:28 pm) Anyone on here have the answer ?
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Replying to: alltorque (Nov 04, 2008 1:27 pm)
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Replying to: roland3 (Nov 04, 2008 8:57 pm) |
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Replying to: roland3 (Nov 04, 2008 8:57 pm) If you compare crude prices around the World you see a big variation. A lot of that has to do with the Sulfur content. Iranian crude is very high in sulfur and not as much in demand. I read that these big bunker oil engines will run whatever you feed them. So that does not bode well for the air quality where they are being used. I would imagine that the main purpose in building those engines is to use the cheapest crude they can find.
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Replying to: gagrice (Nov 05, 2008 6:52 am)
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Replying to: roland3 (Nov 05, 2008 9:15 am) If you are thinking of it for smaller engines I would say the obstacles would be tremendous. Just going from 130 to 500 PPM sulfur will plug up a modern diesel exhaust system. So with 3000 PPM or more in bunker oil it would be tough.
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Replying to: gagrice (Nov 05, 2008 12:55 pm)  On the other hand I have aunts and uncles (early 70's) who literally for the last generation( 30-40 years ) have taken cruise ships tours (aka 3000 to 5000 ppm BUNKER OIL USERS (unmitigated of course) !!??) a min of 4 times per year, 2 weeks per trip (not to mention the cars, boats and planes ancillary to said trips) and not only have had absolute BLASTS the WHOLE time, but are almost literally in the peak of health (respiratory to be germane, sans all that food they try to stuff you with while on board) They still play tennis and volleyball for pete's sakes in between bike riding, running, gym work outs......
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