Now I have completed some rides on the bike I am pleased to report that all is well, it is comfortable and very smooth to ride. Starting and stopping is still an issue but then part of the joy of riding this type bike is aquiring these skills.
Recently obtained a pair of track wheel with tubular tyres, the good thing about these is they have a thread on each side of the hub, they are smaller than the original 27" wheels(so hopefully the brake pads will line up!) and they are light.
Also I have decided after some nagging to put the front brake on which will now fit with the smaller wheels