On Thu, 9 Jan 2014 05:39:36 -0800 (PST), Helpful person
> wrote:

> Interesting problem, make a good project for a student.
>
> For your solution to work I believe it will need a fairly
> thick copper base. Otherwise, as the heat is conducted
> away from the burner by the copper, convection will cool
> down the copper before the heat can be transferred to the
> cast iron. This will be exacerbated by the small air gap
> (insulation) between the copper and cast iron. Neither
> will be perfectly flat.
>
> A better solution may be to diffuse the heat by creating an
> enclosed air box below the cast iron. Imagine the cast
> iron forming the lid of a shallow oven which sits on the
> burner. The air is heated by the burner and will result in
> a fairly even distribution of heat. However, the downside
> is that it will be both difficult to design properly,
> clean, and heat up to the required temperature.
>
You also have to take the surface underneath the middle of the two
burner griddle into consideration. What is all that heat going to do
to the finish between the burners?


--
"Corporations aren't people, they're Republicans"
(Rev Al Sharpton 10/7/2011)