I wandered down on the second day to the UK RA National Championships at Gosport
and took a few photos. Peter Wiles was comfortably leading the
event. His boat had some interesting features. He told me its
displacement was about 33 lbs, sail area about 1500 sq in, max beam about 12.5
in, and waterline length about 49".
She was rigged with a pair of shrouds, single spreaders, and independent
control of jib and main. Her sections were very flat, I assume to give improved
righting moment from a relatively shallow draft (for a modern RC boat).
Her bulb sported a beaver tail. Peter told me that tests had shown the
bulb provided an end plate effect to the keel that improved windward performance
A fourth channel provided flow control on the main, with a very neat lever
arrangement. The sub-miniature servo was located on the boom, snug against