Weymouth, Dorset: Peter Scott at the helm Sovereign in Weymouth Bay, Dorset yesterday, as the potential challenger for the 1964 series o America's Cup races continued her trials against Sceptre. In yesterdays race, Sceptre beat Sovereign by a very short head. Early in May, Sovereign will have a series of trials against the second possible challenger, Kurrewa V., which was launched from a Scottish Builder's Yard during the weekend. 14 April 1964