Iridium Spark Plugs Anyone?

[Texasmark]

Well, yes and no. Obviously inferior steel given the technology of today’s steel making.

Bad microstructure.....

https://www.govinfo.gov/content/pkg...VPUB-C13-17a17f71ae2f9d4316c52e62d4650c9f.pdf

“Conclusion:
Given the knowledge base available to engineers at the time of the ship’s construction, it is the author’s opinion that no apparent metallurgical mistakes were made in the construction of the RMS Titanic.”

"...............apparent metallurgical mistakes were made in the construction of the RMS Titanic.”

Not the story I got. Seems steel of the day used in ship building had a metallurgical/chemical defect that was temperature dependent and cold waters of the N. Atlantic enhanced the detrimental aspects of the steel making it brittle. Just what I read, besides the fact that somebody (besides the designer) insisted that certain bulkheads in the location of the huge rip didn't go all the way to the deck above and thus couldn't be sealed to contain the inrush and all "that rot"!

 

[QBhoy]

Pretty certain hitting the wrong shape of iceberg at 20+ knots is to be avoided contacting the side of any steel ships hull...past or present. Neither end of the eras would end well in that situation.

 

[jimmbo]

Vro was designed by engineers, Ficht was designed by engineers, . Mercury dockbusters were desinged by Engineers. The Edsel was designed by Engineers. The titanic was designed by engineers.

True but the Real Mistakes were by the Management of the Companies involved. Lots of Times Good Engineering takes 4th behind Marketing, Manufacturing, most likely, Bean Counters

 

[Texasmark]

True but the Real Mistakes were by the Management of the Companies involved. Lots of Times Good Engineering takes 4th behind Marketing, Manufacturing, most likely, Bean Counters

I do recall in the movie, fact or fiction....probably fact, the designer of the ship "did" have problems with the other 3 mentioned and their desire to break a record on the first transatlantic voyage.

 

[dingbat]

Pretty certain hitting the wrong shape of iceberg at 20+ knots is to be avoided contacting the side of any steel ships hull...past or present.

Certainly can't condone hitting anything, but today’s steels are light years about the steels of yesteryear.

In reality, the hull failure isn’t attribute to the failure of the steel sheeting. The failure started when the seams, held together by cast iron rivets, let go under pressure. Later studies suggest the use of steel, instead of cast iron, rivets may have prevented the disaster

From a steel perspective, steel technology was on it infancy at the time. Today’s “conventional” steels are 5-10 times stronger than that time period. Today’s HSLA steels are over 20 times stronger than commercial steel

Some of the latest generations of AHSS steels (automotive) are stronger still with the toughest up to 1.8M psi. To put that into perspective, conventional steel (A36) is 36k psi

 

[QBhoy]

Certainly can't condone hitting anything, but today’s steels are light years about the steels of yesteryear.

In reality, the hull failure isn’t attribute to the failure of the steel sheeting. The failure started when the seams, held together by cast iron rivets, let go under pressure. Later studies suggest the use of steel, instead of cast iron, rivets may have prevented the disaster

From a steel perspective, steel technology was on it infancy at the time. Today’s “conventional” steels are 5-10 times stronger than that time period. Today’s HSLA steels are over 20 times stronger than commercial steel

Some of the latest generations of AHSS steels (automotive) are stronger still with the toughest up to 1.8M psi. To put that into perspective, conventional steel (A36) is 36k psi

There was a long tear in the side of the hull. I’m sure steal has come on leaps and bounds these days, but the main fact is that any single skinned hull on any ships side even now would have failed. These days most ships in service have double skins. All but the last of the giants like VLCC’s from the 70’s (that didn’t have double skinned hulls), have now been scrapped. I was fortunate enough to work on many of these as 4th-2nd engineer. Even the steam ships of old like the Stena Queen and King. They were nearly half a million tonnes and still hold the record for the deepest draft of any vessel ever made. Monsters. Great times.

 

[dingbat]

There was a long tear in the side of the hull.

https://www.nytimes.com/1998/01/27/science/faulty-rivets-emerge-as-clues-to-titanic-disaster.html

"The finding laid to rest the myth that the iceberg had sliced open a 300-foot gash in the ship's side"

 

[QBhoy]

https://www.nytimes.com/1998/01/27/science/faulty-rivets-emerge-as-clues-to-titanic-disaster.html

"The finding laid to rest the myth that the iceberg had sliced open a 300-foot gash in the ship's side"

That’s an interesting read for sure. Thanks for posting. But surely it still hit an iceberg at 20 knots ? I’m amazed the rivets were still in tact for recovery and testing.
Parts of that article are a little of perhaps. I worked on a diving ship for 6 years and no diver I’m aware of had been sent down much further than a few hundred meters at most. Generally 200-250m would be considered huge in terms of Sat diving commercially.

Pretty certain no person can survive a dive of anything like that. Perhaps they meant an ROV was used and recovered Rivets and survey

 

[jbcurt00]

Psst, hey fellas, not a Titanic discussion topic....

 

[Texasmark]

Was back out Wednesday....Iridiums......aaah. Life is good!