The Tattersfield brothers continued racing with Altair until 1938, excelling in the longer-distance races. For example, in the Easter 1937 race to Coromandel, Altair on scratch was first on line, followed by the same result in the race on from Coromandel to Kawau. Then she was second on line and first on handicap in the December Auckland-Whangaroa race. In early 1938 the Tattersfields sold Altair to Col. A.C. Amy of Howick who quickly resold her to A.D. Walker.
By the beginning of 1939, Guy, the eldest of the six Tattersfield brothers, was increasingly occupied in running the Tattersfield family bedding manufacturing business especially as the founders of the business, his father Fred Tattersfield and his mother, were spending more time in England at Glebe House, a property they had bought near Colchester. The second son Noel was in practice as a solicitor in Auckland; Leo and Peter worked at Tattersfields; Felix, the only redhead, was a bank clerk in Whangarei; the youngest, John, was working for the South British Insurance Co. in Hamilton.
After was sold, Noel returned, M12, essentially a further development by Jack Brooke of his Frostbite design. She was built at Devonport by co-owner Ron Hunt with help from Snow Waters and was launched in November 1939. By the end of her first season she had become successful and was RNZYS champion the next season. Noel also occasionally helmed , M14, Jack Brooke’s first (1937) development of the Frostbite hull. Noel later bought , Frostbite 35 as a knockabout.
