On Wednesday, November 30, 2016 at 3:41:20 PM UTC-8, Frank wrote:
On 11/30/2016 5:45 PM, FromTheRafters wrote:
micky explained on 11/30/2016 :
How long does it take a microwave oven to warm up?

I now have a new microwave oven with a turntable (the other had a
reflector) to help avoid the spottiness. The ovens power output is also
an important factor to consider.

I find it easier to microwave for longer periods of time at a lower
setting to get even heat.

It takes a few seconds to heat the filament of the vacuum tube. So, it's advisable
to use longer times, but NOT lower setting (which just adds multiple ON/OFF switching
to the problem).

To get something a 5 second zap, you might be well advised
to put a cup of water in next to your nibble, and give the pair ten seconds.
The water load will slow the nibble heating, and the longer time means the turnon
variability is less important. It also gives your turntable a chance to do a full
revolution under full magntron power (better hotspot control)