[TowerTalk] AlfaSpid on AC

[Dave Fuller]

I'm doing the same running on AC no problems so far.

-WD7Z

Julio Peralta wrote:

>I don't know how many guys are using the AlfaSpid rotors out there but I
>want to make them aware that the rotor will work on AC voltage. One of
>the objections that I most often hear about using the AlfaSpid rotors is
>it doesn't come with a power supply and if you use it on the station
>12VDC supply it takes over 2 minutes to go from 0-360. I have been using
>an old DC supply that I had home brewed sometime ago to be used as a
>0-15VDC @ 10A bench supply. Since I had replaced it I went into it and
>found that the output at the filter cap was about 22VDC which was good
>for powering the AlfaSpid rotor. The problem was the PS box was about
>the size of a 1/2 loaf of bread and was taking up a lot of space behind
>the operating desk.
>
>I had read in the AlfaSpid manual that the rotor would work on either
>12-24 volts AC or DC so when I ran across a 24 volt 4A  AC transformer
>in the All Electronics catalog I thought I'd give it a try. I like to
>report that I hooked it up today and the transformer is running two
>AlfaSpid rotors with no trouble. I can now remove the larger PS and
>attach the transformer at a convenient location to the back of the desk.
>
>The transformer cost $17 plus shipping and as far as I can see is a
>great option to the power supply problem with the AlfaSpid rotor.
>
>Julio, W4HY
>
>
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