On Wed, 29 Aug 2007 21:16:36 GMT, Mitch@... wrote:

>I soaked some hickory chips for 30 minutes.
>Put the smoker box on the back burner of my gas grill, and cranked
>everything to high.
>
>Still no smoke after 30 minutes, and it's over 600 degrees in there.

The problem may be "cranked everything to high" and 600 degrees. It
sounds like the chips are going straight to ash without having a
chance to smoke.

Not that I do it, but my understanding is that smoking is a low
temperature process.

- Mark