4th Jul 2016:  Learning that the new Class 700 units were out on test between Brighton and London Bridge  and managing have a few hours free whilst staying in Sussex the chance of a fot was too good to miss.  Unfortunately the regular pattern of the previous week  did not happen and this was the only chance that I got.  700709 is captured as it rushes through Burgess Hill as it works 5B15 from Three Bridges Depot to Brighton.  It seemed to go off the radar after that and as the light caved in i gave up