Mainship 40 Trawler Single - Page 150

Scre
w
- A propeller.
Scupper
pp
-
r
A drain
f
rom the ed
g
e o
f
a deck or cockpit
t
h
at
di
sc
h
ar
g
es over
b
oar
d
.
Seacock - A positive action shuto
ff
valve connected
directl
y
to the hull seawater intake and dischar
g
e pip-
i
n
g
.
Shaf
t
- The lon
g
, round rod that connects the en
g
ine
/
transmission to the propeller.
Shaft log
g
-
A fittin
g
at the hull bottom where the shaft
c
onnectin
g
an en
g
ine to its propeller penetrates the
hull. A sha
f
t lo
g
permits the sha
f
t to rotate while simul-
taneousl
y
preventin
g
water from enterin
g
the hull.
Sheer
-
r
The top o
f
the hull’s curvature at the deck line
f
r
o
m th
e
bo
w t
o
s
t
e
rn.
S
heer strak
e
-
The upper ed
g
e of the hull, immedi-
atel
y
below the deck.
Sol
e
-
T
e
rm
used
t
o
r
efe
r t
o
th
e
dec
k
of
a
boa
t
o
r th
e
fl
oo
r
o
f th
e
cab
in.
Spring line
pg
-
A pivot line used in dockin
g
or to pre-
vent the boat
f
rom movin
g
f
orward or astern while made
f
as
t t
o
a
doc
k.
Starboard
-
Lookin
g
f
orward, the entire ri
g
ht side o
f
a
boa
t
f
r
o
m
bo
w t
o
s
t
e
rn.
S
tarboard
-
When facin
g
the bow, the fron
t
beam ri
g
ht side.
Starboard - When lookin
g
f
orward, the ri
g
ht
q
uarter ri
g
ht rear section of the boat.
Stem
-
The leadin
g
ed
g
e o
f
a boat’s hull.
Stern - Th
e
bac
k
of
a
boa
t.
stringer
g
-
r
L
on
gi
tu
di
na
l
an
d
transverse cont
i
nuous
members used to provide a vessel with stren
g
th
.
Stru
t
-
A
propeller sha
f
t support that is below the hull.
The main strut is a lar
g
e strut that is mounted imme-
diatel
y
forward of the propeller. An intermediate strut is
s
m
a
ll
e
r th
a
n th
e
m
a
in
s
tr
u
t
a
n
d
i
s
m
ou
nt
ed
be
tw
ee
n
the main strut and the sha
f
t lo
g
.
Sump
p
-
A pit or well into which water is drained
.
Superstructure
p
-
A
f
l
y
in
g
brid
g
e or other structures
t
ha
t
e
xt
e
n
d
abo
v
e
t
he
deck
.
Topside
p
-
T
o
g
o to t
h
e uppermost
d
ec
k
.
T
ranso
m
-
The plankin
g
or structure formin
g
the
stern o
f
a square-ended boat.
T
ransvers
e
-
D
irection runnin
g
across the boat.
Underway
y
-
A vessel that is not moored, docked, at
anc
h
or, or a
g
roun
d
.
V
-botto
m
- A h
u
ll with th
e
bo
tt
o
m
sec
ti
o
n th
a
t i
s
shaped in the
f
orm o
f
a
“
V
”
V
-
d
r
i
v
e
-
A
drive s
y
stem that has the output of the
e
n
g
ine
f
acin
g
f
orward and coupled to a transmission.
The prop sha
f
t is then coupled to the transmission.
W
ater
li
n
e
-
Th
e
lin
e
o
f th
e
w
a
t
e
r
o
n th
e
h
u
ll wh
e
n
th
e
boa
t i
s
af
l
oa
t
a
n
d
a
t r
es
t.
Weather deck
-
A
deck with no overhead protection.
Windlass
-
A
de
v
ice
used
t
o
r
aise
a
n
d
lo
w
e
r
a
n
a
n
c
h
o
r
.
M
ainship 40 Trawler Sin
g
le & Twin • Glossar
y
1
4.4