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Most powerful diesel

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Chris Jones

01-18-2006 10:29:08




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I"ve seen this engine somewhere before so you might have too. But it"s worth seeing again.
http://www.gizmag.com/go/3263/




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MikeCatthemuseum

01-18-2006 19:49:21




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 Re: Most powerful diesel in reply to Chris Jones, 01-18-2006 10:29:08  
"They finally had to use the sledge hammer to beat some of the bolts into the holes."

I have worked with guys like that.



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Coloken

01-18-2006 12:04:02




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 Re: Most powerful diesel in reply to Chris Jones, 01-18-2006 10:29:08  
Nice to see those pictures again. My question is how many places in the world could cast that crankcase in one piece? What does it take to crank that thing up?



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Jon Hagen

01-20-2006 20:04:30




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 Re: Most powerful diesel in reply to Coloken, 01-18-2006 12:04:02  
Better yet,that is a forged crank. How many places have the tools to hammer forge a 44 ft crankshaft from a solid lump of red/white hot steel? I remember a story on history or discover ? about how heavy industry in eastern europe was coping with free enterprize capatalism after the former soviet union collapsed. It showed this group of workers forging a huge crankshaft. They had just finished,and were in total dismay. They had twisted the crank throws in the wrong rotation,so the forging was ruined. Money lost that they could not afford to lose 8(

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Jon Hagen

01-18-2006 11:40:36




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 Re: Most powerful diesel in reply to Chris Jones, 01-18-2006 10:29:08  
I saw then building a container ship with one of those on History ? or Discovery ? channel.
The lower crankcase went in the bottom of the ship first,then the crank and main bearings,then the upper crankcase. I hope they had good dowl pins to align the upper/lower crankcase main saddles over the crankshaft,because the outer ring of crankcase bolts did not line up exactly. Some holes were off by half a hole,and these guys used jacks,winch and a good old sledge hammer to beat the sides of the crankcases into alignment. They finally had to use the sledge hammer to beat some of the bolts into the holes. Not the fine precision you might expect on the bottom end of a diesel engine,but what the heck,if they got an oil tight joint,it should be OK. 8) Really amazing that they are getting 50% plus efficiency out of a 2 cycle diesel. Might be in part that the engine runs a max of 109 rpm,and at that slow speed makes somthing over 100,000 HP.

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