WESTERBEKE
50
The
Westerbeke 50
is
rated
41
horsepower at
3200
RPM.
Five main bearing ruggedness sets the
engine apart from competition
and
makes
it
ideally
suited for yacht club launch
and
other commercial
applications.
The
modern
des
ign combustion chambers
give a most efficient
and
quiet burn, providing the
engine with a maximum of
po
wer per pound with a
minimum of noise. During testing the Westerbeke
50
proved
to
be
demonstratably smoother
and
quieter
than other engines of similar horsepower. These
characteristics, plus its
thoughtfully rugged design
and
compact
size,
make
it
just about perfect
as
auxiliary
power for
sai
lboats
and
smaller displacement
crui
sers.
The
engine
is
available with manual or hydraulic
transmissions in various gear ratios including
SPECIFICATIONS
Type:
Fo
ur cylinder four cycle overhead valve
vertical in-line diesel.
Displacement:
110
cu.
in.
Bore
35
/ 32", Str
oke
3 1/ 2".
Power:
41
HP
at 3200
RPM
(see
power curve.)
Compression Ratio: 21.47:1
Weight:
460
Ibs.
basic engine.
Add
gear weights
opposite
page
for
lOR
weight.
Fuel
Injection Equipment:
CAY
distributor type
injection pump
and
CAY
Pintaux nozzels working
in conjunction with Ricardo Comet
V combus-
tion chambers.
Cylinder Block
and
Head: Special cast iron
mono blocks.
Crankshaft: Forged steel, counter balanced.
Camshaft: Forged steel.
Connection
Rods:
I section alloy steel stampings.
Pistons: Aluminum
alloy with solid skirt.
Main bearings:
Five,
tri metal, heavy duty.
Lubrication: Wet sump. Eccentric rotor pressure pump,
camshaft-driven.
Exhaust Manifold: Fresh water cooled. Front or
rear opening.
Cooling System: Closed circuit system, including lube
oi
I cooler with heat exchanger mounted.
'Angle of
Installation: 15° maximum.
Electrical System: 12-volt negative grounded system
with 55 amp alternator.
Transmission:
See
individual
gears
opposite for
specifications and
propeller rotation.
Mounting:
Fle
xi
ble rubber mounts
on
18" centers
standard.
STANDARD
EQUIPMENT
Fresh water cooling system including lube oil cooler,
with heat exchanger; surge tank
and
pumps mounted
on
engine; flexible engine mounts; propeller shaft
coupling; clutch lever with lower extension for
remote control where applicable; mounting
bra
ckets
for control cables; spin-on
full flow lube oil filter, sump
pump
and
hose;
engine-mounted secondary fuel
vee-drives
and
the
new
2:1
short profile sailing trans-
missio
n.
With this transmission the Westerbeke
50
is
one
of the smallest
and
lightest engines available
r\
in its horsepower class. " '
An
unusually long list of standard equipment comes
with this
new
engine including fresh water cooling,
lube oil cooler, factory prewiring, large alternator,
and
adjustable fle
xi
ble mounts.
The exhaust openi
ng
is
available either front
or rear opening, a particular advantage
in
V-drive
installations.
Some
of the options available for the
Westerbeke
50 include water injected exhaust elbow,
for
use
with our Hydro-Hush waterlift muffler,
prewired
all electric plug-in instrument panel with
10' of cable; high water temperature,
low oil pressure
alarm system,
and
remote lubrication oil filter.
oil fille
r,
fuel
lift
pump with hand primer, flexible
hoses for fuel inlet
and
return; cold weather starting
aid; 12 volt,
55
amp alternator with transistor
regulator; plug-in engine
pre
-wiring including
pre-
wired start panel with 10' cable; threaded
1'
/2"
IPS
exhaust flange; fully illustrated instruction manual
and
parts list.
OPTIONAL
EQUIPMENT
Hi
gh
efficiency primary fuel filter; remote lubri-
cation oil filter; front opening exhaust manifold; water
injected exhaust elbow; Hydro-Hush stainless steel
waterlift muffler; fle
xi
ble stainless steel exhaust
section;
sea
water strainer; remote fresh water
expansion tank; hot
wa
ter heater connection kit;
pre-wired
all-electric instrument panel with 10' cable,
extra
10' cable for instrument panel or start panel;
high water temperature,
low oil pressure alarm
system; flexible shaft coupling; spare parts kits.
35
JO
"
15
10
MAX
.
y-
..-
c.OI'HlNUOUS
-..,
.
//
;/
V
l1'
~
:::.
-----
1
000
1500
V
...-,
V/
V
V
~
...
/
~
~
/
,'i"
/!
/
/
~
/
~
~
o
,p
~
V
,/
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~
---
2000
2~
R.P.M.
3
000
I
3200
I
"
~
75
6S
o
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