In the very first picture (Coppins #141) there is a road lined with power poles, two of which are padded with hay bales. This suggests a road circuit, and the only one that comes to mind for the Coppins era is Renwick. The bales are placed to suggest that cars were running left to right across the view, which also could tie in with Renwick. Any comments?
Stu
Renwick is most likely, I do remember being told a story of the Wellington Car Club chartering a DC3 to fly across the strait and watch the racing