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You have to see this... the most powerful diesel bar none

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Old 10-02-2005, 10:28 PM
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You have to see this... the most powerful diesel bar none

At first I laughed, then I cried, and now my eyes are permanently bigger


http://www.bath.ac.uk/~ccsshb/12cyl/

I just cant stop looking at it.
Old 10-02-2005, 10:35 PM
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thats a monster!
Old 10-02-2005, 10:39 PM
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It actually has built in steps going down into the crankcase! And to think that it only weighs 2300 tons What kind of dyno did they put it on?
Old 10-02-2005, 10:49 PM
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Put that in a truck! A little simple math 7780 Hp per cylender x 14 cylenders = 108,920Hp! Too Cool!
Old 10-02-2005, 10:58 PM
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Oh, that old thing. I've been running one of those for years in my 1st gen! Tranny's been a problem though...
Old 10-02-2005, 11:50 PM
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Yup, pretty cool. I've seen that one floating around the net for a while now. I've worked on few ship with big diesels like that. I still prefer the older steam ships I used to work on. Some have way more HP than that big diesel. The last merchant steam ships were built in the 60's and a few in the 70's. The Navy still used them though (nuke ships and subs).

Just a note - those big ship diesel engines don't use use diesel most of the time. They burn "bunker C" which is almost tar like and must be heated (Same fuel steam ships use to fire the boilers). Diesel is used only when they arrive/leave in port and are maneuvering. If they ran diesel all the time it would be way to expensive.
Old 10-03-2005, 12:01 AM
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RPM On That Big Boy

I wonder what the RPM range would be?

I'm guessing 25 to 100 RPM or less.

Anyone have any ideas?
Old 10-03-2005, 02:43 AM
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Some facts on the 14 cylinder version:
Total engine weight: 2300 tons (The crankshaft alone weighs 300 tons.)
Length: 89 feet
Height: 44 feet
Maximum power: 108,920 hp at 102 rpm
Maximum torque: 5,608,312 lb/ft at 102rpm
Old 10-03-2005, 06:53 PM
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dont think i could find a big enough oil pan to change oil on that motor
Old 10-03-2005, 10:59 PM
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They also do not have a tranny on those things.... direct drive straight to the propellers. They need tugs to get them out of port then once they hit the open ocean they fire that beast up. I saw a 10-cyl version on "Extreme Machines". They were removing one of the cylinders for testing. It was crazy how fast they tore it down and replaced it with a new one. A couple hours.
Old 10-04-2005, 05:36 PM
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posts about that thing have been on here a few times....that thing definitely needs a 4k GSK ...and what in the world is it for? to make earthquakes?
Old 10-04-2005, 05:42 PM
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I don't know how much "Yellow Cake" is going for these days, but it would seem so much more efficient to go Nuke on such a huge scale.
But that would take all the fun out of it!
Old 10-04-2005, 10:22 PM
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I sure would like to see the starter for that thing... They probably use an ISB engine and gear reduction just for a starter ...
Old 10-05-2005, 10:37 PM
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Originally Posted by Asher
I sure would like to see the starter for that thing... They probably use an ISB engine and gear reduction just for a starter ...

I dont know but I would geuss its probobly air started. Not a air starter but huge air lines run directly into each cylinder. They presurize the cylinders to get the pistons moving and then put the fuel to it. I dont know but i would bet that has to be close.
Old 10-06-2005, 04:44 AM
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Originally Posted by deere nut
Just a note - those big ship diesel engines don't use use diesel most of the time. They burn "bunker C" which is almost tar like and must be heated (Same fuel steam ships use to fire the boilers). Diesel is used only when they arrive/leave in port and are maneuvering. If they ran diesel all the time it would be way to expensive.
Lemme debunk your bunker C comment. Bunker hasn't been used on conventional powered Navy steam ships in a LONG LONG time. Way before my time in the Nav; and probably WAY before my time in general. Someones been watching too many Victory at Sea shows with ships belching black acrid smoke across the horizon. We use DFM - Diesel Fuel Marine - in our steam plants, gas turbines and diesel powered ships. I have spent plenty of time alongside Oilers taking on fuel, and in line waiting. Years ago, I saw a ship take on JP-5 to burn in the boilers when DFM wasn't immediately available.

Everytime I fill up the Dodge breathing in that wonderful sweet smell of diesel fuel brings back memories of "the smoking lamp is out while taking on fuel." And DFM foams just like our fuel too.

Expensive? Freedom isn't cheap.


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