Radiator size calculator easy calculations

[wetdrip]

If off to my allotment to gather this mornings eggs and the last of this season's runner beans.

 

[happyflyer]

Nice one wetdrip, hope that's put an end to this thread, you haven't got a hen called Ermintrude have you

 

[Worcester]

Thanks for all the comments and replies. My initial comments were made deliberately to stimulate the debate and to try to make people aware of the limitations of each of their different approaches 🙂. - And each one has its problems, and not a single one is perfect.