"Bert Hyman" > wrote in message
...
> In "FDR"
> > wrote:

> Simple full-on/full-off switching of the heating element causes
> significant temperature over and undershoots, although the long-term
> average might match the dial setting.
>
> A proportional control could apply full power to the cold oven, reduce
> power as the oven approached the desired temperature and then continue
> to apply just enough power to maintain a constant temperture in the oven
> to balance heat loss.

That sounds like a good idea to me. Would this be expensive to implement?
I would also think that it would prolong the life of the heating element in
the same way that dimmers prolong the life of light bulbs.