San Saba

Shipwreck San Saba
Type:
shipwreck, steamer, USA
Name:
San Saba is a river in central Texas, a tributary of the Colorado River of Texas.
Built:
1879, Delaware River Iron Shipbuilding & Engine Works, Chester PA USA, as Colorado
Specs:
( 306 x 39 ft ) 2458 gross tons, 37 crew
Sunk:
Friday October 4, 1918
struck mine laid by U-117 - 30 casualties
Depth:
80 ft

Being a hazard to navigation, the iron-hulled San Saba was demolished a week after sinking. Today she sits in 80 feet of water in two mangled pieces of wreckage. The bow section is a jumble of hull plates, with winches and other machinery still visible. The stern section, some 250 feet away is also broken up. The boilers are still visible at the end closest to the bow. Her propeller can still be found, as well as wreckage off to the starboard side. Many artifacts can still be found. Glassware, brass, .22 caliber bullets, and china are still being brought up with a little digging. The San Saba is sometimes called the "Southwest Barge", or the "Magnolia Wreck", for the anti-friction metal bars she was carrying.

A mine from the U-117 also sank the Chaparra.

Shipwreck San Saba
U-117
U-117, sunk as a target 1921

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steam-powered winch
A steam-powered winch on a schooner barge. Note the various drums for drawing up anchor chain, towing hawsers, etc, and the anchor chains themselves going down through the deck into the chain locker below.

Prior to steam power, the only force available on a sailing ship to perform all the necessary work was the men on board. For some tasks, such as raising the anchor, it might be necessary to yoke the entire crew to a multi-deck manual capstan. On the largest vessels, even with every available man, this might take several hours to complete. With the advent of steam power, a "donkey engine" and a single engineer could do the work of many men, in less time, and these were soon installed in almost all vessels.

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