[Amps] Derating loads
pfizenmayer at q.com
Wed Dec 8 15:34:33 PST 2010
Can't speak for dry Bird loads - but I know for a fact that one of the Bird
50 KW water cooled loads will take 50KW carrier but will NOT take 50KW 100
percent modulated even sine wave instead of clipped trapezoidal . I blew one
at a customer acceptance site and was accused of having spurious
oscillations - A call to Bird confirmed it would not take the 100 percent
YMMV -- Hank K7HP
----- Original Message -----
From: "Donald Fox" <taurusshoguy at yahoo.com>
To: <amps at contesting.com>
Sent: Wednesday, December 08, 2010 7:46 AM
Subject: [Amps] Derating loads
Mike et al:
Time to end the "what ifs'", and turn the key on this puppy.
I've got 10 bucks that says his 300 watt load will stand 1500 watts CW dits
and das for the 15 seconds. I would follow that up of course with a minute
or two cool down.
Now, if you have a muffin fan or similar to run across it at the time, so
much the better!
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