The Irwin 23 has 4 bunks, 2 in the fwd V-berth, one wide one as a convertible from the settee and a quarter berth on the port side.
The Irwin 23 has a large cockpit which can easily handle 2 couples for an afternoon sail or 5 agressive crew members when racing. The outboard...
The Irwin 23 brochure has been posted as 5 *.pdf files on the Irwin owners discussion pages. The sail plan is modest by today's standards....
The 1970 Irwin 23 was one of the "hot" mini-cruisers in the MORC days before the advent of the J-24 which set an entirely new level of...
The center of effort of the Star rig will be effectively moved forward if the Star mainsail is reduced as proposed in this graphic.
This shows how the Star Class mainsail is set on an Irwin 23 using running backstays. The standard mainsail can be used alternatively....
The Irwin 23 was offered with a tall rig 4' higher than standard. I fitted my boat with a Sliding Gunter that allows me to hoist the...
The wing keel is being prototyped to try to improve windward pointing ability and not having to replace the centerboard on my 1970 Irwin...