Thanks chaps I have made a system using a single outlet pump feeding a small header tank fitted with 2 sightglass drippers and a return pipe back to the tank the return is at the top the feed is a half inch lower no relief valve is used. The next job is to make a new oil tank with the return at the top as I would not want to butcher the original flyer tank the extra fuel capacity would be handy. I will report success or failure in time. Regards D F.
