Join Date: Feb 2018
Location: Midlothian, VA
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Re: O’Day Daysailer
Agreed, it is a DSI.
If you are going to race the preferred boat is the DSI as long as the hull is stiff and she weighs in correctly at 575 lbs. Check that because you never know how much weight has been added during a restoration. Also, contact the class measurer with regards to the replacement of the seats. If they are not located correctly, the boat will not measure in at sanctioned regattas. The thwart will also have to be reinstalled.
The open cuddy provides many more options for rigging, dropping the spinnaker into a basket, stowing the spinnaker pole etc. The DSII's are typically much heavier and don't provide the open access.
If you are not going to race, any of the DS versions will suit you just fine. The DS has a planing hull and that can be lots of fun.