[ARC5] ARC-2 power supply

[J. Forster]

In WW II, using a transmitter for the underground could easily get you
shot, or worse.

They understood and faced risk every day. I'm not so sure that memory 
still exists.

IMO, the thing is dangerous.

YMMV,

-John

===============



> On 3 Jun 2012 at 16:21, David Stinson wrote:
>
>> A few people asked me about the non-isolated, voltage quadrupler
>> ARC-2 power supply shown in Oct 1961 73 Magazine.
>> I've scanned the diagram, but I must again urge you
>> not to build this thing.  You're asking to get dead.
>> But it's your bacon, so fry it how you like:
>>
>> http://home.netcom.com/~arc5/ARC2KillerPS.jpg
>
> Yeah. That's the one: the Dutch underground used that same design in a PS
> they used with a "spy transmitter" during WWII.
>
> ONE of the bigger problems with that design is that HV current is only
> limited
> by the destruction-current of the diodes: probably "quite a number" of
> amps,
> not milliamps.
>
> However, there are other safety problems with it too.
>
> Even so, in a real, life-threatening emergency, it might SAVE a life or
> two. It
> certainly did during WWII...
>
> Oh...one more thing: the Dutch Underground version used 220 VAC as the
> primary...  :-(
>
> Ken W7EKB
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