Shipbuilding anyone?

Lisa Murphy

Corporal
Joined
Feb 16, 2019
Location
Washington State
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In this picture of a naval yard, the ship (under repair? construction?) is encased in scaffolding. Is there a particular technical name for that scaffolding?



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Another, less fancy version. (Not civil war location, but similar time frame).

Images from 1860 -1902 Victorian Shipbuilding.
 
I think the first image is actually the floating dry dock (which can also serve as scaffolding for work on the hull above the waterline).
https://www.history.navy.mil/conten...s/nhhc-series/nh-series/NH-01000/NH-1474.html

Well, if it is a floating drydock then it can be used for repairs both above and below the waterline. That's sort of the point!

And as to the first question in the OP, a floating drydock is not used for new construction, it is used for repairs or rebuilding. I suppose there may be a handful of examples of floating drydock used for new construction, but would be very rare.
 
Great images, thanks for posting! Isn't it amazing how frequently these yards look like a shambles- you know they can't be because an entire ship eventually emerges out of what looks like chaos.

I think I've spotted some sheer legs in the second photo.


If I wasn't clueless about what a sheer leg may be, could spot one too. What are they, please?
 
Great images, thanks for posting! Isn't it amazing how frequently these yards look like a shambles- you know they can't be because an entire ship eventually emerges out of what looks like chaos.




If I wasn't clueless about what a sheer leg may be, could spot one too. What are they, please?
Shear legs are basically a hoist, the Royal Navy still use shear legs in their gun race here's a vid of the navy using shear legs to climb an obstacle. The competition is dangerous, plenty of trapped fingers and broken bones.
18965D56-3821-4FCF-B98B-F5631FB7C2C2.jpeg
 
The general term for where you build a ship is "the ways". Documents talk about ships that were still on the ways and would be in the water soon.
I've never heard the 'ways' before, is that an American term or is that a general worldwide nautical term?
 
Shear legs are basically a hoist, the Royal Navy still use shear legs in their gun race here's a vid of the navy using shear legs to climb an obstacle. The competition is dangerous, plenty of trapped fingers and broken bones.
View attachment 303717
The very large ones could lift enormous weights and were used for lifting guns in and out of ships even when more modern steam cranes came into use. steam winches were used to power the lifting hoists.
 
Shear legs are basically a hoist, the Royal Navy still use shear legs in their gun race here's a vid of the navy using shear legs to climb an obstacle. The competition is dangerous, plenty of trapped fingers and broken bones.
View attachment 303717


That is an AWESOME, crazy good video, thank you!! Anyone who thinks they don't have time to stop and watch one please think again. Those boys make me wonder how on earth we ever got away from you lot.
 
Sheers - on land or on an old ship called a sheer hulk - were also used to install or remove the lower masts of ships. Here's a sheer hulk at right in this painting:

Arrival_of_HMS_Clyde.jpg


The lower mast was the section of mast actually installed in the hull of the ship. Topmasts, topgallants, and (sometimes) royal masts were attached to make up the full rig.
 
Here's a link to USS St. Mary's in the first dry dock established at Mare Island Navy Yard, ca. 1854. The sectional dry dock was built in New York and shipped out to California in sections around Cape Horn. St. Mary's was one of the first ships to use the dock.

That appears to be a different ship in the same drydock, but the picture shows a lot more detail. USS St. Mary's was a sloop built at the Washington Navy Yard and commissioned in 1844. Served down near Vera Cruz in the War with Mexico and became part of the Pacific Squadron in 1848.
 
Here's a link to USS St. Mary's in the first dry dock established at Mare Island Navy Yard, ca. 1854. The sectional dry dock was built in New York and shipped out to California in sections around Cape Horn. St. Mary's was one of the first ships to use the dock.

That appears to be a different ship in the same drydock, but the picture shows a lot more detail. USS St. Mary's was a sloop built at the Washington Navy Yard and commissioned in 1844. Served down near Vera Cruz in the War with Mexico and became part of the Pacific Squadron in 1848.
Great image
 
Unb
Shear legs are basically a hoist, the Royal Navy still use shear legs in their gun race here's a vid of the navy using shear legs to climb an obstacle. The competition is dangerous, plenty of trapped fingers and broken bones.
View attachment 303717
Unbelievable!! 900 lb gun barrel, 150 lb wheels, reeling through the air. Gees! These guys eat their Wheaties. I wonder if Colonel Lamb's "Flying Battery" (Ft. Fisher, Wilmington) ever had to use such acrobatics to get their guns to shore fast enough to save a blockade runner. Certainly there would have been obstacles on the beaches.
 
Great images, thanks for posting! Isn't it amazing how frequently these yards look like a shambles- you know they can't be because an entire ship eventually emerges out of what looks like chaos.




If I wasn't clueless about what a sheer leg may be, could spot one too. What are they, please?
Thanks for asking -- my question exactly.
 
The very large ones could lift enormous weights and were used for lifting guns in and out of ships even when more modern steam cranes came into use. steam winches were used to power the lifting hoists.
1555973444296.png


When/why would one turn a ship on its side like this to work on it, rather than support it upright on scaffolding?
 

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