Classic Boat — November 2017

(Barré) #1
10 9 8 7 6 5 4 3 2 1 0m -1 -2

12 11 AP 9 8 7 6 5 4 3 2 1 FP -0.5


dwl


-1

-2

-3

-4

2

1

DWL

Diag.^1

Diag

.^2


Diag. 1

Diag. 2

CL


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Thisdrawing, itscontentsandany information receivedwith it may not becopiednor disclosedtoany3rdpartywithout expresswrittenpermissionofG.L.Watson& Co.Ltd.

Martins Building Water Street Liverpool L23SXUKT: +44 (151) 6018080 F: +44 (151) 6018070
http://www.glwatson.com

G. W. N L ATSO


Issue Date Status Notes

270 Britannia


Client Approval

Scale Date
RequestedBy
ApprovedBy Date Approved

Drawn By

Drawing#

DrawingTitle

Design# Project
Area

0 21-01-09Preliminary

JRG

1:75 21-01-09

LinesPlan


Exterior


CLASSIC BOAT NOVEMBER 2017 61

S


eeing a yacht in the flesh and sailing her in a
wide variety of conditions is enough to tell an
experienced mariner a lot about her character.
When the only information available is a
photo and a lines plan, things can be very different.
The image gives a general impression, but it’s the plan
that really dishes the dirt.
These days, the classic lines plan has fallen into
disuse for most amateurs. The reason is simple. In
contrast to the average craft designed before
World War II, the hull shapes of today’s production
cruising yachts are unsophisticated, delivering
good performance in fair weather by virtue of a
relatively low wetted area, a clean run, a deep fin keel
and a spade rudder.
The lines plan of such a boat is of scant interest
compared with the drawings of the deep-bodied,

REPRODUCED BY KIND PERMISSION OF GL WATSON AND CO LTD

CB353 How to read lines.indd 61 26/09/2017 12:57
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