| Date | 2004 to 2016 | 2017 to present | 2026 |
| Construction | GRP hull, deck and interior to #50, GRP hull and deck #50 to #99, GRP hull only #100 to #119 | GRP hull only, deck and interior are marine ply, epoxy, glass composite | GRP hull only, deck and interior are marine ply, epoxy, glass composite |
| Weight Empty | 750 lbs | 825 lbs | 750 lbs |
| Flotation | bow and aft seats filled with foam | bow and aft seats filled with foam, sealed space under side decks, sealed chamber under flat floor | bow and aft seats filled with foam, sealed chamber under flat floor |
| Mast position | 42” from bow | 52” from bow | 44” from bow |
| Mast type | 2- or 3-piece carbon fibre, free-standing, length 17.5ft, no stays | 1-piece carbon fibre, pivoting, length 17.5ft, sail track, swept back shrouds | 1-piece carbon fibre, pivoting, length 17.5ft, sail track, swept back shrouds |
| Boom | wood boom, then boom optional | carbon boom | no boom (optional) |
| Rig Type | Gaff, with curved wood yard | Modified Gaff, fractional | Bermuda, fractional |
| Mainsail | full batten 105sf curved head, loose footed, 1-2 reefs, wood hoops, no mast track | 115sf, four full battens, curved rigid headboard, loose footed, lazy jacks, 2 reefs, mast track with slides | 95sf, four full battens, modified flat top, loose footed, 2 reefs, mast track with slides |
| Mainsheet | If boom, from boom to aft end of centreboard trunk. If no boom, from mainsail clew to rope traveller forward of the helm | from boom to rope traveller forward of the helm | from mainsail clew to rope traveller forward of the helm |
| Headsail | optional furling jib 35sf, optional furling drifter 55sf, both mounted on wood bowsprit | furling jib 55sf, UV protection, mounted on wood bowsprit | furling jib 28sf, UV protection, mounted on bow |
| Halyards | external to mast main plus peak halyard for gaff, optional jib halyard | main and jib halyard internal to mast | main and jib halyard internal to mast |
| Cockpit Floor | molded into interior cockpit part or exposed hull in later models | flat floor above hull, water ballast tank under | flat floor above hull, water ballast tank under |
| Centreboard | GRP foil, ballasted 25-40lbs | GRP foil, ballasted, 60lbs | GRP foil, ballasted, 60lbs |
| Rudder | Outboard, transom hung, pivoting GRP foil | Inboard, low-aspect ratio HDPE foil with stainless wing plate | Inboard, low-aspect ratio HDPE foil with stainless wing plate |
| Seating | seating port & starboard | seating port & starboard | seating port & starboard |
| Lockers | 2 cockpit lockers to #50, 4 cockpit lockers #51-#119 | 4 cockpit lockers, 1 foredeck locker, All lockers with hatches | 4 cockpit lockers with hatches, open storage forward |
| Motor | Long shaft outboard electric or 4-stroke gas | Long shaft outboard electric or 4-stroke gas | Short shaft outboard electric or 4-stroke gas |
| Motor Mount | On starboard side of transom lip | On centreline of transom lip | On centreline of transom cut-out |
