On Aug 31, 2005, at 7:51 AM, Don Havlicek wrote:
> 6 Kw output?
> Hmmmmmmm
> Wish we had that opportunity in the USA, but who needs 6 db?
Those who use 80m and 160m.
> Don
> N8DE
>
> PA3DUV wrote:
>> However, there are some minor flaws in the design of the DL5K.
>>
>> First the long silver plated wire from the UHF connector to the
>> resistors is
>> hanging on the solder joint of the UHF connector. The cheap rubber
>> grommet
>> in the directional coupler box provides no support at all. I have
>> machined a
>> teflon support bushing to replace the grommet which supports this
>> long lead.
>> Also I have bolted the directional coupler box to the chassis in
>> order to
>> remove strain from the broken solder connection to the UHF plug.
>>
>> The DL5K works just fine with the 6 kW output from my 2 x GU84
>> amplifier.
>> The fan kicks in after approx. 20 seconds and a nice flow of hot air
>> heats
>> my shack in the wintertime. Together with the air flow through the GU
>> 84
>> plate coolers I do not need to fire up the wood burner in the shack.
>>
>> Cheers, Dick
>> PA3DUV
>>
>>
>> ----- Original Message -----
>> From: "Harold B. Mandel" <ka1xo@juno.com>
>> To: <amps@contesting.com>
>> Sent: Thursday, August 18, 2005 12:21 AM
>> Subject: [Amps] Palstar DL5K 5KW load
>>
>>
>>
>>> When opening up the Palstar DL5K dummy load
>>> the owner can spot a ceramic capacitor at one end of
>>> the two load resistors.
>>>
>>> As well, the input line goes through a metal box that serves as
>>> the pickup for the relative wattmeter on the front panel.
>>>
>>> While never approaching the 5KW limit I have seen some
>>> reflected energy from this device at the legal limit area and
>>> wonder if any of you might have encountered this as well.
>>>
>>> I went so far as to swap coax jumpers, etc., to eliminate
>>> cable glitches and the effect followed.
>>>
>>> Hal Mandel/W4HBM
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>
>>
>> _______________________________________________
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>>
>
>
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>
>
Richard L. Measures, AG6K, 805.386.3734. www.somis.org
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