The relays and anything else that makes a chirp, burp or crunch when you
key up is critical to AM operation.
I run legal-limit AM with my Flex-5000A and an 8877, but while everyone
loves the audio I do take flak that it doesn't take 5 seconds of noisy
relays and grinding toggle switches to get from RX to TX and back. :-)
73,
Jim N7CXI
On 11/26/2010 5:32 AM, Carl wrote:
> You also need to run it as an AM linear and use a couple of large clunky
> relays that can easily be heard over the air when you hit the PTT on the
> D-104.
>
> I suspect that a pair of those EBM-Papst muffin fans I mentioned on here
> would give more than adequate cooling with SK-510 sockets.
>
> Carl
> KM1H
>
>
> ----- Original Message -----
> From:<TexasRF@aol.com>
> To:<sub1@rogerhalstead.com>;<amps@contesting.com>
> Sent: Friday, November 26, 2010 8:02 AM
> Subject: Re: [Amps] A dual 4-1000 amp
>
>
>> Since perception is everything, as they say, you might consider using an
>> adequate blower for the amplifier and an audio recording of a jet plane
>> takeoff to play in the background. This could save a ton of $$!
>>
>> Then you could turn the sound on/up whenever needed for intimidation or
>> other motives. Earplugs optional.
>>
>> 73,
>> Gerald K5GW
>>
>>
>>
>> In a message dated 11/26/2010 6:55:31 A.M. Central Standard Time,
>> sub1@rogerhalstead.com writes:
>>
>>
>>
>> On 11/26/2010 7:19 AM, donroden@hiwaay.net wrote:
>>> If you want that Mig-21 sucking up gravel on an unimproved runway
>>> sound, go with a couple of Rotron Centrimax CX-33 blowers.
>>>
>>> Or, if the XYL doesn't mind a little two-cycle smoke, use a 41cc
>>> Homelite leaf blower with a tuned pipe.
>> Although a couple of vacuum cleaner motors will work, a better choice
>> would be to take the turbine out of a self contained plasma cutter. Out
>> in the open they really sing, but ...you did say cash was a problem and
>> those self contained torches are running a tad shy of two grand.
>>
>> Maybe get some of the old vacuum cleaners, put 3 or 4 of the blade sets
>> on one shaft...a bit of metal work and that sucker will move air AND
>> make an impressive sound.
>>
>> Then again you could take the super charger out of a car, and turn it
>> with one of the model jet engines. I'm not sure if you would be able to
>> hear the turbines over the engine or not.
>>
>> Good Luck,
>>
>> Roger (K8RI)
>> .
>>> Don W4DNR
>>>
>>>
>>>
>>>
>>> Quoting Patrick<tpblogeditor@gmail.com>:
>>>
>>>> I've got a wild hair up my derriere about building something. I also
>>>> want to> buy, find or whatever, the biggest loudest, 757 Airplane
>>>> motor spooling up sounding blower motor that I can find for it. I WANT
>>>> people to say stuff like, "Oh Lord A-Mighty --- He's turning the big
>> iron
>>>> on!" (or at least the big bulbs...)> -Chuck Adkins K8CPA
>>>> http://www.politicalbyline.com
>>> _______________________________________________
>>> Amps mailing list
>>> Amps@contesting.com
>>> http://lists.contesting.com/mailman/listinfo/amps
>>>
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>
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