The after sections of the MkII were reshaped to reflect the then-current IOR design trends, sail area was increased by a little over 50 sq. Even with all these changes, the MkI and MkII bear a strong resemblance to one another and performance measuring parameters changed very little. For example, the displacement-length ratio changed only two points and only 5 points separate the average PHRF base rating between the MkI and MkII models. Construction of the 35 is a solid FRP hull with composite decks utilizing a balsa wood core. Construction is generally strong although secondary bonding failures are found from time to time at structural bulkheads, particularly on boats that have been raced hard.
Leaks are common at the deck to hull joints and around cabin windows.
The keel is bolted with stainless steel bolts and nuts although some boats had steel washers that, if found, should be replaced with stainless steel washers or plates. The accommodation plan changed very little between the MkI and MkII models. The d cor of the Mk II is more modern in appearance. Both have V-berth cabins forward followed by a port side head. The galley is a little larger on the MkII version.