Time-per-pound for smoking tri tips

by Ted Smith
(Grayslake, IL)

I picked up some good tri tips from a local butcher ~3 lbs per, ~3" thick. Any rough rules of thumb on the length of time per pound?

I have Brinkman that I just converted to an electric (I know, another charcoal purist has lost his way).

Although I have not measured it, I thinks it's running about 200 degrees F when it sits for an hour or better.

I do have two racks and the water pan.