Pit sword
title: "Pit sword" type: doc version: 1 created: 2026-02-28 author: "Wikipedia contributors" status: active scope: public tags: ["measuring-instruments"] topic_path: "general/measuring-instruments" source: "https://en.wikipedia.org/wiki/Pit_sword" license: "CC BY-SA 4.0" wikipedia_page_id: 0 wikipedia_revision_id: 0
The pit sword (also known as a rodmeter) is a blade of metal or plastic that extends into the water beneath the hull of a ship. | url = http://www.bowfin.org/website/bowfin/bowfin_systems/log_sys/log_sys.htm | title = Underwater Log Systems | accessdate = 2006-08-26 | date = 2002 | publisher = USS Bowfin Submarine Museum & Park |archiveurl = https://web.archive.org/web/20060825070849/http://www.bowfin.org/website/bowfin/bowfin_systems/log_sys/log_sys.htm |archivedate = 2006-08-25}} It is part of the pitometer log, a device for measuring the ship's speed through the water.
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