Battleship´s displacement

Ulrich Rudofsky · Post by **Ulrich Rudofsky** » Wed Sep 06, 2006 6:31 pm

P and V would be the same kg at 1.000 spg. So dividing V by 1.005 or 1.026 would give the kg of V?

Or am I still confused.

Tiornu · Post by **Tiornu** » Wed Sep 06, 2006 7:31 pm

GRT is a measure of volume. Naturally it's definition varies from place to place.
And then there's Thames measurement. I don't know what that is. It probably varies depending on which bank of the river you're on.

ontheslipway · Post by **ontheslipway** » Wed Sep 06, 2006 8:08 pm

And what direction your sailing in too... GRT is a complicated and bureaucratic term, negatively affected safety. To reduce the GRT measurement, freeboard is often dangerously low leading to unfortunate stability issues.

Ulrich Rudofsky · Post by **Ulrich Rudofsky** » Thu Sep 07, 2006 9:40 am

Here is an article which addresses the problem of "measurement": "Dr. John Lyman’s clear expositions of REGISTER TONNAGE AND ITS MEASUREMENT IN THE AMERICAN NEPTUNE, Vol. V (1945), pp. 223-34, 311-25. Suffice it to say that the figures given under “t” in this Dictionary could be “carpenter’s measurement,” “builder’s old measurement,” “Thames measurement,” tons according to New York, Philadelphia or New Orleans custom house rules; ;Moorsom system, which was made mandatory in the United States on 6 May 1864 and brought with it “net tonnage” alongside gross, after deduction or exemption of non-earning spaces. Army records sometimes specify “capacity,” which ....." See: http://www.hazegray.org/danfs/csn/intro.txt