wbblair3(
wbblair3@...) is reported to have said:
> --- In Homebrew_PCBs@yahoogroups.com, Richard <metal@...> wrote:
> >
> > Excellent post Bill....good detailed report.
> >
> > I'll note only one thing: you're either not accounting
> > for emissivity in your optical temp-measurements; or
> > you were measuring a broken household iron.
>
> Just for the heck of it, I'm going to try turning the irons upside
> down and placing a black-anodized 80486 low-profile heat sink along
> with some silcon heatsink compound in the center of their "hot sides"
> to try and get a better idea of their _actual_ temperatures without
> having it so skewed by emissivity error. If I don't reach 392F there,
> I'll move the heatsink to the hottest portion of the iron(s) and try
> again.
>
Have you considered heating the pcb's on that inverted iron instead of
the oven? Might not make the kitchen warm but should accomplish the
same thing.
Thanks for that detailed report, Bill. Very well done.
Wayne