General Information
Production of the O'Day 23 started in 1972 and continued for about 13 years.  In all,
about 1,700 were built.
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Specifications - early model O'Day 23 - fixed top
Years produced
Number produced
Overall length
Waterline length
Beam
Draft
Sail area
I measurement
J measurement
P measurement
E measurement
Ballast
Displacement
1972 - 1973
154
22' 9"
19' 6"
7' 11"
2' 3" / 5' 4"
246 sq. ft.




1,200 lbs.
3,085 lbs.
Specifications - O'Day 23 - pop top
Years produced
Number produced
Overall length
Waterline length
Beam
Draft
Sail area
I measurement
J measurement
P measurement
E measurement
Ballast
Displacement
1970 - 1973
280
22' 9"
19' 6"
7' 11"
2'  / 5' 5"
245 sq. ft.




1.200 lbs.
3.085 lbs.
Specifications - O'Day 23 - convertible top
Years produced
Number produced
Overall length
Waterline length
Beam
Draft
Sail area
I measurement
J measurement
P measurement
E measurement
Ballast
Displacement
1974 - 1974
145
22' 9"
19' 6"
7' 11"
2' 3" / 5' 4"
246 sq. ft.




1.200 lbs.
3.085 lbs.
Specifications - later model O'Day 23
Years produced
Number produced
Overall length
Waterline length
Beam
Draft
Sail area
I measurement
J measurement
P measurement
E measurement
Displacement
1977 - ?
1,040
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Miscellaneous information
From Rod Johnson on 05/07/2000:

1) pop-top, this model is the one where the whole cabin trunk lifts up on struts like the top on a "pop up"
camping trailer.  I think there were canvas curtains to connect the raised top to the deck for privacy and
weather tightness.  This model also has the mast stepped thru the deck, the cabin trunk raised around
the mast.

2) a standard cabin trunk model, this one obviously had a solid cabin structure, no pop-top section, and
I believe a deck-stepped mast with a tabernacle (hinged mast step).

Because of problems with sealing the joint between the cabin trunk and deck, as well as the fact that
the thru-deck mast set-up was both inconvenient for trailering, and a source of leaks in the rain, O'Day
dropped the version that raised the entire cabin trunk.  This model was replaced by another pop-top
design, (#3) which like the Ventures and the Catalina 22 (and later the C25), only lifted a portion of the
cabin top.  This model had a pop-top that lifted the portion of the cabin top that stretched from the aft
bulkhead to just aft of the mast, only the cabin top lifted, no part of the cabin trunk moved.  This gave
standing headroom for the main part of the cabin, but still allowed the mast to be stepped in a
tabernacle on deck.

From a distance versions 1 and 3 would be hard to tell apart, unless the top was raised.  Version #2 is
easy to spot from a distance, even if the cabin trunk is not raised, because of the very different shape of
the cabin trunk.  It was more angular and boxy than the fixed-top or later pop-top.

These models should not be confused with the later (1977-1985) O'Day 23 which never had a pop-top
option.  Also, the early O'Day 23 had an iron keel w/cb, where as the later 23 had a molded-in keel (lead
ballast) with c/b.  The later 23 for a while also had an optional fin keel.
www.oday23.com