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101
Lloyd’s Numerals.
î Girth, ......................
1 Breadth,...................
Depth,........................
1st No.,......................
Length........................
2nd No.,......................
7 — 6
— , spaced 23 inches.
32 1
17.73
67.33
258
17371
Frames, 4 x 3 X
Reverse frames, 3x3
Floors, 201 X ~ .
2 zx 20
r . , , 12 — 10
Centre keelson, 17 x 9()
Keelson continuous angles, 5 x 4 x 595.
Intercostal keelson plate, 580.
*Complete steel deck,
Spar-deck beams, 7 x 55, 1 ” . ’ '
Double angles, 3 x 3 x 5'„
Main deck beams, 6 x 3 X y() ■ bulb angle on every frame.
Hold beams, 91 x bull’ plate with ] „
1 Double angle*, 4 X 4 X & J °" eVeFy 10th frame’
Spar-deck stringer plate, 44 X ÿ® — 29 X ÿD.
Main deck springer plate, 37 x’iC — X 580-
Hold stringer plate, 32 x — 25 x
Gunwale angle bar, 4 x 4 X
Garboard strake, 36 x --- 1(>.
20
Keel, 9 x 2f.
Hold pillars, 3.
Spar-deck, 3| inches thick, laid and caulked.
bulb plate with ] „ , „
1 > on every 2nd frame,
Additions for Extreme Length.
To thickness of sheer strake, is added for J L amidships.
J,° strake below sheer strake, Jff is added for | L amidships.
|o bilge keelson, a bulb plate is added for j L amidships.
2 o thickness of 2 strokes at bilge, is added for | L amidships.
to taking out the scantlings of this spar-decked vessel according
ner numerals and proportions, a steel deck is required, as shown
th0If^le ^*C’S'1*P Section. But Lloyd’s rules say: »In no case will
of t le niaLcr’a' at tlle upper part and the number and thickness
Hi ■ °1 ’ron decks be required to be greater than that of the
<le Te"decked vessel of the same dimensions.« However, as a spar,
tho1 ]Ve.ssel must have a complete main deck laid and caulked,
ani'U” ' ,may bë °f wood 3i inches in thickness, a common practice
th;01»?. ,sh’P°wners of choosing a steel deck has been followed in
thls Midship Section.