Length between perpendiculars

Length between perpendiculars

Length between perpendiculars, often abbreviated as p/p, p.p., pp or LBP is a term describing the length of a ship. LBP refers to the length of a vessel along the waterline from the forward surface of the stem, or main bow perpendicular member, to the after surface of the sternpost, or main stern perpendicular member. This was believed to give a reasonable idea of the ship's carrying capacity, as it excluded the small, often unusable volume contained in her overhanging ends. On some types of vessels this is, for all practical purposes, a waterline measurement. In a ship with raked stems, naturally this length changes as the draught of the ship changes, therefore it is measured from a defined loaded condition.

ee also

*Length overall
*Length at the waterline

References

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Look at other dictionaries:

  • length between perpendiculars — The length of a ship between the forward and after perpendiculars …   Dictionary of automotive terms

  • length between perpendiculars — Naut. the length of a hull between the forward and after perpendicular. Cf. perpendicular (def. 11). * * * …   Universalium

  • length between perpendiculars — Naut. the length of a hull between the forward and after perpendicular. Cf. perpendicular (def. 11) …   Useful english dictionary

  • between perpendiculars — See length between perpendiculars …   Dictionary of automotive terms

  • Length at the waterline — Length at the waterline, often abbreviated as lwl,w/l, w.l. or wl is term used to describe the length of a ship. This term refers to the length of a vessel along the waterline. In a ship with raked stems, naturally this length changes as the… …   Wikipedia

  • Length overall — Length overall, often abbreviated as (LOA, o/a, o.a. or oa) refers to the maximum length of a vessel from the two points on the hull most distant from each other, measured perpendicular to the waterline. See also *Length between perpendiculars… …   Wikipedia

  • perpendiculars — See after perpendiculars between perpendiculars fore perpendiculars forward perpendiculars length between perpendiculars …   Dictionary of automotive terms

  • fore perpendiculars — A vertical line at the intersection of the fore side of the stem and the summer load waterline. (See length between perpendiculars) …   Dictionary of automotive terms

  • forward perpendiculars — A vertical line at the intersection of the fore side of the stem and the summer load waterline (See length between perpendiculars) …   Dictionary of automotive terms

  • LBP — • Length Between Perpendiculars …   Maritime acronyms and abbreviations

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