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NavSource Online: "Old Navy" Ship Photo Archive

Napa (I)
Nemesis (1869)
Napa (I) 1864 - 1869

Casco Class Light-draft Monitor:
  • Laid down, date unknown, by Harlan & Hollingsworth & Co., Wilmington, DE.
  • Converted to a torpedo boat, 25 June 1864
  • Launched, 26 November 1864
  • Converted to torpedo boat, 25 June 1864
  • Delivered to the US Navy upon completion, 4 May 1865
  • Name changed to Nemesis, 15 June 1669
  • Name changed back to Napa, 10 August 1869
  • Never commissioned, laid up at League Island, PA, until 1875
  • Final Disposition, broken up in 1875 by John Roach at New York
    Displacement 1,175 t.
    Length 225'
    Beam 45"
    Draft 6' 6"
    Speed 9 kts.
    Complement 60
    two 11" Dalghren smoothbore guns
    Wood-Lay spar torpedo equipment
    Propulsion steam

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    Size Image Description Contributed
    Napa 139k 1878 magazine engraving ~ U.S. TORPEDO BOAT ~ "Napa"
    Napa and USS Monadnock from an engraving published in "The Soldier in Our Civil War".
    Tommy Trampp
    Casco 167k Plan of the spar torpedo arrangement and platform designed for installation on the;
    USS Casco
    USS Chimo
    USS Napa
    USS Naubuc and
    USS Modoc, circa 1864. The original drawing is in the records of the Bureau of Ships at the U.S. National Archives. U.S. Naval Historical Center Photograph. Photo # NH 55203.
    Robert Hurst

    Napa (I)
    Dictionary of American Naval Fighting Ships (DANFS)
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    Casco-class monitor
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    Last Updated 10 June 2016