"There has been talk for a long time of bringing out a new class which will take the place of the venerable New York Yacht Club Thirty-footers and the Herreshoff Manufacturing Company, which designed and built the famous class back in 1905, has been planning on producing a "modernization" of the boat.
The plans on this page represent the new Herreshoff "Thirty Foot" class, though it is now really a 33 foot class, slightly larger, and with longer ends than the old Thirties. The new class is auxiliary, and measures 33 feet waterline, 50 feet overall, 10 feet 6 inches beam and 6 feet 10 inches draft. The sail area, in a modern all-inboard rig, is 1,120 square feet, only 17 square feet more than appears in the old gaff sloop rig of the original Thirty. Roller reefing gear is indicated.
Provision is made for a small auxiliary power plant, which, though not indicated on the plans, must be an off-center installation.
The arrangement plan seems to follow along the same general lines as that of the old New York Thirty, though of course there is a bit more room. The bulkhead arrangement forward around the mast is quite the same and it is likely that the same big hanging knees which come in the way of the bulkheads at the skin in the old Thirty, will appear in the new boat." (Source: Anon. "A New Thirty Foot Class by Herreshoff." Rudder, December 1934, p. 37.)
It would have been a wonderful boat, complete with signature New York 30 deckhouse and row of rectangular windows. But less of an ocean racer and that may have contributed to the Sparkman & Stephens-designed New York 32 having been chosen.
It is interesting to contemplate the relationship between this design and the California 32, designed by Nicolas Potter the next year. In 1934 Potter had still worked at the Herreshoff Manufacturing Company, and though we may assume that the NY30 replacement was designed by A. S. deW. Herreshoff, we do not know how much Potter was able to influence the design or if it influenced him when he designed the Cal 32. There are certainly links.
The above-quoted Rudder article also showed sailplan and accomodation plan. Five plans are also in the Hart Nautical Collection at M.I.T., including a construction plan.
A small version of this boat was also designed in November 1934 (a month after the NY30 replacement proposal had been designed). Also unbuilt, it would have been 34'-6" LOA, 24'-0" LWL, 8' beam, and 5' draft.