THE SOCIETY OF
VAL ARCHITECTS AND MARINE ENGINEERS
NA
601 Pavonia Avenue, Jersey Cꢀꢁꢂ NJ 07306
ꢀper to be presented al lhe ꢀꢁꢂꢃꢄꢅꢆ '88 Symꢇꢈiuꢉ,
Virginia Beach, Virginia. September 20-21, 1988
Cal
cu
l
ations,
Mode
Tes an
ts d
l
Fu
ll
Sca
le
M
e
a
sure
men
Fully
Feat
ts on
a
herin
g
Co
ntr
olla
bl
Pro
e P
peller
itch
No
.9
C.
Kr
u
pp
a,
Memb
er, lnstitut fur Schiffs-und Meerestechnik, Berlin,
Germany
H.
Pꢀp
pli
Ravensburg,
es
GmbH,
Federal
time
Wyss
and w
Escher
Republic
. faller, Visitors,
of
Germa
ny
AB
ST
ꢀ
C
ꢁ t
sequence
T
.
V
T
fer-
propeller advꢉꢄce speed
wo
annel
ch
B
cross-
sh
ꢖcrew
riti
iple
tr
ꢉ
r
i
e
s
h
con-
av
W
Escher
yꢖs
e
w
been
ith
e uipped
q
�
ro
l
l
a
x,y,z
fe�ther-
ble
cartesiꢉn coorꢅinate syꢖꢓem
non-ꢅimeꢈꢖional chorꢅwise coordinate
effective angle of attack
lly
fu
pitc
h propellers of the
1ꢄ
g
ty
p
e
ly
high
on
the
the
ceꢄtre shaft. Due to
ꢖ
k
e
�
x/c
eꢅ
bl
on iꢖ
than
e
i
positi
adeꢖ
by g
ther
ng
feather
the fully
a
ch
i
e
v
er
ed
rath
ed
e
eas
incr
rꢉdual pitch
b
t
he
hi
oꢈ
.
pitch reducti
y
a
to pplied
ꢋeꢌꢍ
ꢎ geo
Pe
r
f
t
o
e
r
h
on
mꢉ
nc
t
preꢅic
e
of
was
the ꢖystem
b
a
s
i
o-
s
geometric angle of attack
prot
o
duriꢄ�
f
ored
moꢅ
moꢈit
e
anꢅ
l tests
t
nd1e
p
rt
s
to
r
rꢅ
ype t ialꢖ
rega
i
mꢉiꢄlv with
'
t
o
. · .
r
de
mo
1
p
blade
itch an�le measured from zero
q
he
u
f
t
e
o
ch
lt
s
ꢉra
resu
e
c
teristics
.
the
ap
a
a
ꢄ
ꢅ
thruꢖt setting
and
f
ed
u
l
repo
l
re
s a
sc
nt
ale
ureme
s
meꢉ
ꢄ
a
l
ꢅe
bla
se
r
lle
d.
a
prope
y
In
ꢉddition
f
o
l-
pitch aꢄgle change meaꢖured from de-
r
fu
c
he
e
t
for
s
l
ly
ica
re
lyt
det
eꢂꢃꢄeꢅꢆꢇꢈꢉ
t
sigꢈ pitch setting
flowec
or fully feꢉthered
s
y
e
ꢉ
t
a
p
g
finit
p yin
e
n
l
i
reꢅ
fe
h
l
c
t o
is
oꢈdi
r
a
�
i
conꢅition
o
ous
�
i
v
iꢖc
ceꢅ
ꢈg
an
�dv
the
and
ory
f
o
1
1
s
e
c
t
1
on
aꢄa
.
l s
y
.
y
densit of seawater
ꢊ
O
ꢅensity of water during moꢅel teꢖt
�I
E
N
C
LAT
UR
E
ꢅensity of full scale propeller
blꢉde force coefficieꢈt
materiꢉl
b
lade
ent
moment coefꢍici
densiꢓy oꢍ model propeller materiꢉl
ꢏModel
C
-
fi
f
oe
c
ue
rq
o
t
le
iꢄd
sp
M
ce
al
g
c
ꢈtr
ifu
INTRODUCTION
c
i
e
nt
[ꢈ 1987 two British croꢖs-channel ferries
i-
ff
oe
c
ue
rq
to
ꢅl
i
.
ꢈ
sp
e
hy
ic
y am
od n
dr
(so-cal led jumbo ferries), built by Schichau
ꢑꢒꢓeꢔeser AG, Bremerhaven, for P&O European
Ferrieꢖ Ltꢅ., Dover, chriꢖteꢄed "Priꢅe of Dover"
cieꢈt
anꢅ "Pride of Calais", were o
(FiA, 1). The vesꢖel s are 169
i to service
beam of 27.8 m anꢅ a drau�ht of 6.10 m.
ut
ꢄ
e
u
q
r
to
e
l
ꢅ
ꢈ
pi
s
ng, with a
m lo
c
i.
am
yn
d
ro
hy
d
mo
d
e
di
fi
coefficient
Each ferry is powered
three Sul zer 14-
ꢖcher ꢕsꢖ coꢄ-
y
by
t
er
ie
ell
n
ic
ef
p
f
co
oꢍ
a
pr
ꢅi
es
am
e
r
sur
ete
ZAV 40 medium speeꢅ diesel engines, working via
Tacke reduction gearꢖ on three E
p
ro
trollabl e pitch propellers. The main particu-
t
e
ꢈ
in
J
i
lars of the propulsion machiꢄer are :
ic
ff
e
o
c
ce
n
a
dv
propeller
r
o
g
Wings
J
l
id
r
fo
nt
e
i
c
ff
i
0
oe
c
ad ance
v
2 CPPs, each 4.2 m diameter
160.2 rpm
er
l
el
p
ro
p
ꢐ
in
free
nꢈ
-r
u
s
n
o
n
i
l
7720 kW
n
ut
i
l
ev
o
or
r
0 f
te
ra
pr
er
op
te
el
l
r
o
g
n
d
i
f
s
n
o
- Centre
i
t
lu
0
v
o
e
f
o
ra
r
er
ll
e
p
1 CPP, 4.0 m ꢅiameter
163.9 rpm
o
r
p
g
n
i
-r
fr
unn
ee
7720 kW
e
ur
s
es
r
vo p
r
ꢖe
e
r
u
s
s
e
r
p
vo
er
s
l
iꢇ
di
reꢄt
ffe
ꢀ1