[GreenKeys] Teletype Wheatstone Perforator

[Harold Hallikainen]

My notes say Mr. RTTY has:

162361 500ma $30.00

Harold
https://w6iwi.org


On Fri, July 22, 2022 6:52 pm, Nick England wrote:
> I was given a nice 120v switching power supply that I now use for all my
> 120vdc stuff.
> Before that I hooked a bridge rectifier and electrolytic up to a small
> variac and plugged it into the wall - be careful with that!
>
> The 120v coil in mine measure 86 ohms, so 1.4 amps
> There are several different coil voltages - see page 7
> https://www.navy-radio.com/manuals/tty/1025B-3710.pdf
>
>
>
> Nick England K4NYW
> www.navy-radio.com
>
>
> On Fri, Jul 22, 2022 at 9:03 PM til128 at juno.com <til128 at juno.com> wrote:
>
>> Hi all:
>>
>> Some time ago there was a discussion on a heavy duty DC power supply for
>> the Wheatstone Perf. (WPE3/ISS)
>>
>> And I believe someone made one for it.
>>
>> I would like to build one and am looking for part #s and specs.
>>
>> I am sure it would take more than 300mA!  :-)
>>
>> Any help appreciated.
>>
>> Thanks in advance!
>>
>> Tom WB2TTY Tillson
>>
>>
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>
>>>> Jordan Spencer Cunningham's GreenKeys Search Tool:
>>>> https://teletype.net/gksearch
>>>> 2002-to-present greenkeys archive:
>>>> http://mailman.qth.net/pipermail/greenkeys/
>>>> 1998-to-2001 greenkeys archive:
>>>> http://mailman.qth.net/archive/greenkeys/greenkeys.html
>>>> Randy Guttery's 2001-to-2009 GreenKeys Search Tool:
>>>> http://comcents.com/tty/greenkeyssearch.html
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
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