On 8/28/15 11:01 PM, Mark J. Blair wrote:
I'm thinking that air circulation should be
helpful to reduce hot spots
Yes, and this has been discussed on this list for at least ten years. Someone I
know who has processed thousands of 1/2" tapes built a very large convection oven
and he told me one of the critical things was to get a lot of airflow into the reel.