I have a PC in the shop so perhaps I could find a way to log the temps to
that. If I get enough quality data I'd be more than happy to write an
article. With some luck I'll be working on this by the end of October. I
just need to track down my local supplier for the collectors and I can get
up and running.
Thanks again - those are great articles. Here is one I found today about
drainback systems that you might find interesting: