 The Norton works was not well equipped so the sif-bronze welding was undertaken by the McCandless brothers who produced the eight frames for the racing team by hand.Production featherbed frames were made under Ken Sprayson's direction at Reynolds, who became known as 'The Frame man'

Norton applied for a patent for the design on 13 October 1949 and it was granted as reference 664,667 but the completed specification was not published until 9 January 1952.The Featherbed frame was simply constructed