[GreenKeys] Teletype DRPE tuned reed mechanism

[w9ddd at tapr.org]

Search for PD1 that is the first of a series of product descriptions and prices.
http://navy-radio.com/manuals-ttycorp.htm

John, W9DDD


> On Dec 27, 2020, at 7:26 PM, Eric Moore <mooreericnyc at gmail.com> wrote:
> 
> Hello, I have gotten a relay based controller built and working for the BRPE (at reduced speed) and had some questions so I can make a nice youtube video about the device.
> 
> Does anyone know what year the BRPE was released? I am thinking 1954 based on this: 
> http://www.navy-radio.com/manuals/tty/hs_punch_rdr.pdf
> 
> What were the primary real world uses for the BRPE?
> 
> How much did a BRPE cost new?
> 
> Was there an ARPE?
> 
> Thank you!
> 
> -Eric
> 
> 
> 
>> On Sat, Dec 19, 2020, 11:59 AM Eric Moore <mooreericnyc at gmail.com> wrote:
>> Thank you everyone for the responses!
>> 
>> The DRPE was capable of reaching 240 CPS, which is really incredible. The BRPE topped out at 110 it appears.
>> 
>> I received a BRPE yesterday that seems to be fully working. I ordered an appropriate parallel connector from digikey so I can drive it from a microcontroller and will make a video of it in operation at some point hopefully soon.
>> 
>> -Eric
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