1975 Olympic 420

Rockville Centre, New York, United States
$2,000 USD
Condition: excellent

This Olympic 420 is in excellent condition. The rigging is simple with an aluminum mast and one sail.

Equipment:
A wooden centerboard; a wooden rudder and tiller.

There is a trailer that comes with the boat. New wheels and tires brand new.

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About the Olympic Adventure 47

Designer
Edward S. Brewer
Builder
Olympic Marine
Associations
?
# Built
?
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
47 0 / 14.3 m
Waterline Length
43 4 / 13.2 m
Beam
14 2 / 4.3 m
Draft
5 10 / 1.8 m
Displacement
32,000 lbs / 14,515 kg
Ballast
14,000 lbs / 6,350 kg

Rig and Sails

Type
Masthead Ketch
Reported Sail Area
1,057 ft2 / 98.2 m2
Total Sail Area
876.1 ft2 / 81.4 m2
Mainsail
Sail Area
421.6 ft2 / 39.2 m2
P
47 8 / 14.6 m
E
17 7 / 5.4 m
Mast Height
?
Foresail
Sail Area
454.5 ft2 / 42.2 m2
I
54 0 / 16.5 m
J
16 9 / 5.1 m
Forestay Length
56 6 / 17.2 m
Mizzen
PY
31 9 / 9.7 m
EY
11 6 / 3.5 m

Auxilary Power

Make
Westerbeke
Model
4-230
HP
?
Fuel Type
Diesel
Fuel Capacity
200 gal / 757 l

Accomodations

Water Capacity
400 gal / 1,514 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
8.82 knots
Sail Area/Displacement
16.78
good performance
Ballast/Displacement
43.75
stiffer, more powerful
Displacement/Length
175.6
light
Comfort Ratio
32.1
moderate bluewater cruising boat
Capsize Screening
1.8
better suited for ocean passages

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