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Tool Talk Discussion Forum

OT: LST engines

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Bus Driver

06-08-2004 16:54:31




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In the WWII LST's, the engines were two GM 12-567 Diesels. Were these the 2 cycle Diesels? 567 cubic inches per cylinder? Anyone know the rated RPM and horsepower of these engines? Incidentially, there were more LST's built than any other single type of ship.




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Wardner

06-10-2004 00:59:58




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 Re: OT: LST engines in reply to Bus Driver, 06-08-2004 16:54:31  
I spent three months in 1966 aboard the Lorain County (LST 1177). It was new then but was just recently scrapped. It was the last in its series to survive and some veterans groups were desparately trying to save it.

For a Marine, it was hell. Very hot in the berthing spaces. The bunks would be wet from sweat in the morning. There was a diesel fuel leak somewhere and the vapors were intense. Showers were cold salt water. Food was awful and had to be consumed quickly. And yes, it sure did roll.

Disneyland has nothing to compare to an AmTrac flying down the ramp and hoping desparately that it would resurface. Very creepy.

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Pitch

06-10-2004 12:12:36




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 Re: Re: OT: LST engines in reply to Wardner, 06-10-2004 00:59:58  
Flying off the ramp was the only good thing about those T's We used to hold back as long as possible before we launched liked to be doing 10 or 15 MPH when I hit the water. You could really deep 6 those suckers. Also would put small gravel in the rear hatch seals The grunts down below would go ape doodoo with all that water squirting in on them. Actually it was partly self defense. The barf would hopefully flow out when you dropped the ramp on shore.
Alpha Co. 2nd Amtrac Bn '72-'76

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Roger

06-08-2004 22:30:40




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 Re: OT: LST engines in reply to Bus Driver, 06-08-2004 16:54:31  
Believe it or not, I actually have the overhaul manual for an EMD 567C diesel engine right beside my computer desk. It is a memento left to me by my dad after he passed away in 1998. They powered the 1200hp road switchers on the Newfoundland Railway from the mid 50's to the end of the 80's when it was closed down. Some of them are still running in Chile. When they shut down the railway, some of these diesel engines, newly rebuilt, were simply thrown away, a terrible waste! Specs for the 567C were 1200hp, 800RPM max, 90RPM overspeed trip. You can tell a "c" from an "A" or "B" by the fact that the inspection covers on the airbox were round instead of square.

I also have the operator's manual for the NF210 locomotive that they were used in, including a picture of the loco, along with a dimensional drawing, if any of you guys are into scratch-building model railroad locos.

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tech4

06-08-2004 17:46:42




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 Re: OT: LST engines in reply to Bus Driver, 06-08-2004 16:54:31  
Yes on 2 stroke and 567 cu in per cylinder and it was 900 brake hp. this engine also used in some locomotives. see link below for specs on LST Great ships but rough at sea



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Pitch

06-09-2004 09:03:07




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 Re: Re: OT: LST engines in reply to tech4, 06-08-2004 17:46:42  
Spent a bit of time on LST's when I was one of Uncle Sam's Misguided Children They were rough all right. There was a time that someone decided that we weren't gonna make Rosey Roads before a storm and they headed out for deep water, guy driving the thing got it down in the trough parallel with the waves. Quite the adventure and a mess besides.



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Fred OH

06-17-2004 14:51:47




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 Re: Re: Re: OT: LST engines in reply to Pitch, 06-09-2004 09:03:07  
A story to go along with the question...I didn't sail them but I did sail the LSD...USS Alamo LSD-33. Word we got was the reason they rode rough was they were flat bottomed so they could pull up to a beach without hanging up on the bottom. I guess they dropped their rear anchor out a ways and pulled the nose up toward the beach for off loading. Then when all the load was off they floated higher in the water making it easier to pull away or winch themselves off with the rear anchor. They had to have diesel engines cause the steam powered ones sucked a bunch of sand up through the main sea suction and ruined things. The guys that rode them said that they went like a corkscrew going through the water. Most any of the smaller navy ships was sea sick city for a lot of dudes. Fred OH

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JMS/MN

06-09-2004 23:36:37




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 Re: Re: Re: OT: LST engines in reply to Pitch, 06-09-2004 09:03:07  
Got a ride on an LST from Panama to Puerto Rico, and back again, in the fall of '66. It was LST Dodge County (LST 722), commanded by Lieutenant B.L. Price. Off-loaded and on-loaded at Rosey Roads. Got some nice commendation letters for repairing on-board equipment during the week-long voyage each way. Also got a tour of the engine room, and as I remember it, they were 1100hp, turning 700rpm- ship did about 15 knots. Spent a month in PR- beautiful country, great weather, especially after Panama's 130 inches of rain per year. On the other hand, nobody was shooting at us, and Salinas, Ponce, and San Juan were great, despite the taxi that totalled my jeep...

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Mike in New Mexico

06-09-2004 11:41:10




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 Re: Re: Re: OT: LST engines in reply to Pitch, 06-09-2004 09:03:07  
My brother spent almost 10 years in the " Gator " fleet as a radioman ( 64 thruogh about 74 ) slow to make rank so he transfered to the "tin cans " and retired in 86 as a chief radioman. boy does he have some good story's to tell !! -mike



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txblu

06-09-2004 09:48:41




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 Re: Re: Re: OT: LST engines in reply to Pitch, 06-09-2004 09:03:07  
That means port to starboard and back rolling. Barf everywhere I'd bet.



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