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I recently purchased one of the Ancre publications. I don't read Italian or French so I'm not sure if the dimensions used in the book are metric or imperial. Can anyone clarify this for me?...Moab


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Measure the scale on the lines drawing then convert (If it's a monograph).  I take it that there wasn't English version for this one?  


I just use the scales as a guide and follow the plans.  But then, I'm reducing them from 1/48 down to 1/64.

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Posted (edited)
5 hours ago, Jaager said:

Neither.  French feet and inches  unless metric is designated.

Is that the 'Paris foot" measure? 1 Foot (French measure or Paris foot) = 12.789 inches of English or "Imperial" measurement. At one point, even up to shortly before WWII, practically every country in Europe had their own standard "foot" measurement. It can really be crazy-making when working with old drafts. You look at the drawings and discover your standard "Imperial" rule doesn't match the dimensions on the drawings! I have one set of plans for a yacht designed in England in 1936 with plan notations in Swedish for construction to be done in Sweden.  The plans notation said 1"=1', but when I tried to work with them, I discovered they were actually drawn to the scale of 1 inch equals 12.5 inches.! It took me forever to figure out why they'd used such an odd scale.   I had to make my own rule by fiddling with copy sizing in order to work with the plans. I finally tripped over the explanation somewhere along the way.  It turned out it was a foot measurement somewhat unique to the boatyard building the boat. :D 

Edited by Bob Cleek

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