No, I'm quite serious and believe I know what I'm talking about.
And no, Rene has said here that there is no significant radiation going on.
Tell you what, you post the quote of him saying it's radiation and I'll look for the one about conduction? No need to make the man post the same thing twice?
OF
Edit: That didn't take long, here it is:
http://fuckcombustion.com/threads/vapman.94/page-83#post-737930
Here's another one, confirming again it's a conduction machine that the convection effect is trivial (no mention of radiation, that point having been, I thought, settled):
http://fuckcombustion.com/threads/vapman.94/page-84#post-738559
I won't hold my breath on a replay/correction/apology.
OF