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  #1  
Old 04-03-2007, 12:09 PM
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BIG diesel engine

Yowza...

http://people.bath.ac.uk/ccsshb/12cyl/

Sorry for the off-topic, but this thing is amazing. Seems like someone posted a similar page in the past; hope this is not a repost.

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  #2  
Old 04-03-2007, 12:11 PM
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It is.
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  #3  
Old 04-03-2007, 12:13 PM
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Quote:
Originally Posted by R Leo View Post
It is.
It is big, or it is a repost?
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  #4  
Old 04-03-2007, 12:36 PM
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Originally Posted by cscmc1 View Post
It is big, or it is a repost?
Repost. At least three times since I joined here. And yes, it's big too.
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  #5  
Old 04-03-2007, 12:53 PM
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Originally Posted by R Leo View Post
Repost. At least three times since I joined here. And yes, it's big too.
Yeah, I thought I'd seen it before, too, but couldn't remember if it was here or elsewhere that it had been discussed. Did you see that WWII German U-Boat diesel motor that was posted a few weeks back? That was cool, too. IIRC, it was posted on eBay!
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  #6  
Old 04-03-2007, 01:02 PM
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Quote:
Originally Posted by cscmc1 View Post
Yeah, I thought I'd seen it before, too, but couldn't remember if it was here or elsewhere that it had been discussed. Did you see that WWII German U-Boat diesel motor that was posted a few weeks back? That was cool, too. IIRC, it was posted on eBay!
Missed the u-boot engine.

I love that part in Das Boot where they're making the balls-out run through the Straits of Gib and the crazy engineer is checking the engines. He opened some sort of valve on the cylinders and blue flames jet out on the power strokes.

Man, with all that exposed valve gear in that engine room, you could loose a finger in there.
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  #7  
Old 04-03-2007, 01:33 PM
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It would suck if you got sucked into the air intake on one of those... Without a turbo, you might make it into the cylinder
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  #8  
Old 04-03-2007, 01:45 PM
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we need the helmets thoes guys are wearing over here. they must be rated to widthstand an impact of 400 tonns

seriously though, if something from that engine fell you would not live. i would work balls to the wall with no helmet. i would want it to be instant not semi instand with that helmet.
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  #9  
Old 04-03-2007, 03:30 PM
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I want to see the turbo for that thing!
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  #10  
Old 04-03-2007, 10:16 PM
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This is the fourth or fifth thread on this.
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  #11  
Old 04-03-2007, 11:38 PM
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Originally Posted by ForcedInduction View Post
This is the fourth or fifth thread on this.
I get a kick out of it every time though.
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  #12  
Old 04-04-2007, 07:06 AM
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Talking That li'l valve is an "Indicator Cock"...

Quote:
Originally Posted by R Leo View Post
Missed the u-boot engine.

I love that part in Das Boot where they're making the balls-out run through the Straits of Gib and the crazy engineer is checking the engines. He opened some sort of valve on the cylinders and blue flames jet out on the power strokes.

Man, with all that exposed valve gear in that engine room, you could loose a finger in there.
When I first saw the movie "Das Boot".....I was Chief engineer aboard a German built container ship.....and that particular scene was one of the most realistic in the whole movie....that "crazy engineer" was just checking to see if all cylinders were firing under load......there is a specific sound that he was listening for as well as the color of the flame......I personally have done this on many occasions......

The actual purpose of the indicator cock, is to provide both a place to mount an "engine indicator" and to allow access to the various pressures within the combustion chamber.....the indicator is an instrument that allows you to actually see the combustion process in a graphic form......there is a lever attached to a piston (balanced against a spring).....the lever scratches a trace if it's movement onto a (sort of) waxed paper......and depending if you pull the card in or out of phase with the engine cycle.....will depend on what one can determine about the health of the combustion process within that cylinder......you can tell compression pressure, combustion pressure, exhaust back pressure, as well as the condition of your Fuel Injector Nozzle.......and the horsepower generated by each cylinder (when reading cards with a planimiter)....

This is done digitally these days......but pulling a set of indicator cards was an art form.....took lots of practice....

SB
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  #13  
Old 04-04-2007, 08:25 AM
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Interesting.

Reciprocating steam locomotives (and I'm sure any steam engine) use engine indicators to monitor cylinder activity but I never knew that engine indicators were used on internal combustion engines.

Learn about it all here at Mercedesshop.
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  #14  
Old 04-04-2007, 08:40 AM
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Quote:
Originally Posted by ForcedInduction View Post
This is the fourth or fifth thread on this.
But that's OK since I missed the first three or four.

As a kid, I got to visit the engine room on the Italian line's MS Gulio Cesare. What a racket those twin Fiat diesels made!

Happy Motoring, Mark

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