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Arfa Daily Arfa Daily is offline
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Default Microwave turntable direction


"Claude Hopper" wrote in message
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William Sommerwerck wrote:
"Claude Hopper" wrote in message

Microwaves do not 'bounce around' in the oven. Microwaves are
directional, that's why you move the food. The microwave emitter
does not move.


Perhaps we should dub you "Clod Hopper". (Perhaps your posts are jokes,
and
you're waiting to see who's the first to "get it".)

Microwaves do, indeed, "bounce around" within the oven cavity. There is
usually a standing-wave pattern with hot and cold spots, which is the
main
reason for the turntable.



Oh, how long do they bounce around tell me. If that were true with the
klystron continuing to transmit more waves and the old ones keep
bouncing around they would build up and explode the oven. That's does
not happen does it.

--
Claude Hopper

? ? ¥


Are you deliberately trying to mis-understand how these things work ? And
you need to accept that in fact it is *you* who is wrong insisting that
microwave ovens contain a klystron for generating the RF energy. It is a
magnetron, as everyone keeps telling you. There is no question about this.
It simply is, and you are wrong.

As far as the waves bouncing around the inside of the oven cavity goes, they
do, whether you like it or not. I gave you four web references that all tell
you this. Did you actually bother to read any of them ? If microwaves did
not bounce off metal surfaces in a substantially loss-free way, then how do
you imagine that waveguides, some of which can be several feet long, could
possibly work ?

If you knew anything at all about microwave ovens, which clearly you don't,
you would be aware that your contention that microwave ovens are not damaged
by the waves bouncing about in the cooking cavity, is unmitigated nonsense.
They indeed *are* damaged, if there is no microwave-absorbing material such
as food, placed within the cavity in such a way as to intercept the bouncing
waves, and turn their RF energy into heat. That is why when a microwave oven
is being tested, its RF generator must be loaded, the same as with any high
power transmitter. This is done by placing a vessel of water in the cooking
cavity.

Until you understand a little more about the principles of typical consumer
microwave ovens, you would probably be best to make no further comments in
the thread, as you are not currently giving yourself a lot of credibility
....

Arfa