usf2.gif (10730 bytes) USS YMS - 81  usf2.gif (10730 bytes)

These pages are dedicated to the men of the mine-sweeper YMS-81

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Information on this page was donated by my Uncle Herbert D. Mastin, Jr. of New Castle, Indiana,  Pharmacist Mate First Class on the motor mine-sweeper YMS - 81 from March 21, 1944 until June 22, 1945.

Photographs of Herb D. Mastin Jr. on right.

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YMS - 81 entering drydock

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                                                                      Drawing by Paul Sharpe, SC1/c YMS - 81 

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Built by Stadium Yacht Basin of Cleveland, Ohio Keel Laid July 16, 1941 Launched May 30, 1942
Completed July 28, 1942 Commissioned July 28, 1942 Length 136 feet
Construction Double Planked Oak       Draft 6 feet 3 inches Displacement 242 tons 
Beam 22 feet 9 inches  2 - 20 MM - A.A. Guns 1 - 3"/50 Caliber A.A. Gun
2 - Twin 0.50 Caliber Machine Guns 2 - Single Depth Charge Throwers 8 - 300 Lb. Depth Charges
Power: Main Engines 2 - 8 Cylinder General Motors Model 268A Rated 500 HP at 1270 RPM Shaft Speed Reduction 2.54 to 1  Fuel Consumption, 30 Gal/Hr at 800 RPM
Speed: 9.5 Knots at 800 RPM Cruise 10.5 Knots at 900 RPM Flank 14.0 Knots at 1270 RPM
Magnetic Sweep Engine 1 - 8 Cylinder General Motors Model 268A  Rated 500 KW at 1500 RPM  
Generator Engines 2 - 3 Cylinder General Motors Model 71 Rated  30 KW at 1200 RPM  

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YMS - 81 entering drydock

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     anchorbutton[1].gif (433 bytes) Drawing of YMS-81 and Poem        anchorbutton[1].gif (433 bytes) Officers and Crew of YMS - 81
     anchorbutton[1].gif (433 bytes) Log for the YMS - 81 and ship photo        anchorbutton[1].gif (433 bytes) Ships History Page and ship photos
     anchorbutton[1].gif (433 bytes) YMS - 81's Cartonist Paul Sharpe        anchorbutton[1].gif (433 bytes) Terry Long MoM1/c Memoirs
     anchorbutton[1].gif (433 bytes) Navsource YMS-81 page        anchorbutton[1].gif (433 bytes) Return to Main Sigsbee Page