how do i know oday 23, 23-1, or 23-2

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Jun 2, 2004
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Oday Day Sailer Wareham, MA
A 1980 O'DAY 23 will be the newer version, that is the one with the fiberglass keel/centerboard as opposed to the earlier model with the cast-iron keel/fiberglass centerboard (but you knew that already?)

The original O'DAY 23 was introduced as a 1971 model, and came in 2 versions; Pop-Top (the entire cabin trunk could be raised like a pop-up camper and curtains enclosed the space between deck and raised cabin) and fixed top (no pop-top) the popt-top had a somewhat "boxy" look to the cabin and the non-P/T model had a more rounded cabin ,looking like a larger O'Day 22 (introduced in 1972, so I guess I should say that the 22 looked like a smaller 23?). These 23s had the cast-iron keel and a fiberglass centerboard, operated by a crank on a post in the middle of the cabin. The post also supported the inboard end of the dinette table.
Around 1974 the pop-top version was changed to a version where only the section of the cabing top aft of the mast raised (more like a Catalina 22 or Chrysler 22, or the Mac-Ventures). I think one reason for this change was that the original pop-top version required a keel-stepped mast, since the cabin raised around the mast. This mast would not have been easy to step/unstep without a crane. The later (1974 and later) 23s and the older fixed-top models all had a deck-stepped mast using a tabernacle (or deck-hinge) mounted on the cabin top.
This original O'DAY 23 model was dropped from the line in around 1975, I think the problems with the cast-iron keels in saltwater (keel would rust and jamb the CB) may have lead to a decision to come out with a new design.

The later version of the 23 with the keel now molded as part of the fiberglass hull, was introduced in late 1976 as a 1977 model. The ballast was now lead and contained within the fiberglass molded keel. I think, but do not know for 100% certainty, that this model used the same fiberglass centerboard as the original, but with a more up-to-date setup for the pendant that raises/lowers the CB, it was now lead to the bridgedeck at the forward end of the cockpit. The interior was now changed to a more traditional setup of two settees in the main cabin with a table that folded down from the main bulkhead. this version of the 23 was in production until the 1985 model year. A few of these 23s were built with a deep fin-keel instead of the standard K/CB and a few others were equipped with inboard engines (OMC ZEPHYR saildrive).

All versions were refered to as "O'DAY 23", this was long before O'Day started adding a "2" after the length number to indicate a second-generation model. (Well, other than the DS II, but that was to satisfy the Day Sailer Class Association who insisted that the DS I remain in production alongside the DSII)
 
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