[GreenKeys] BRPE models

[John, W9DDD]

Is this the bit that switches between 11/16 and 1" tapr.

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You said "tomorrow" yesterday.

The above comments or recommendations are SWAG. Use at your own risk.
John, W9DDD

On 1/19/2024 3:25 AM, pbirkel at gmail.com wrote:
> 1154B_BRPE_Parts_Catalog_Jul1960.pdf, PDF page 5, includes a table
> identifying the changeover from contacts to a magnetic pickup (starting with
> BRPE6 apparently).  It looks like the transistorized controller was
> introduced at the same time.  I presume that Nick was quoting from there
> :->.
>
> What was the purpose of the "ADVANCED" feed hole design?
>
> -----Original Message-----
> From: greenkeys-bounces at mailman.qth.net <greenkeys-bounces at mailman.qth.net>
> On Behalf Of Jones, Douglas W via GreenKeys
> Sent: Thursday, January 18, 2024 2:47 PM
> To: Nick England <navy.radio at gmail.com>; Greenkeys
> <greenkeys at mailman.qth.net>
> Subject: Re: [GreenKeys] [External] BRPE models
>
> From: Nick England [navy.radio at gmail.com] -- Thursday, January 18, 2024 1:12
> PM
>
>> 1) The pickup for early models 1-5 were electrical switches, whereas the
> "new style" (BRPE6 and up) had a magnetic pickup - the parts books, etc.
> make that distinction.
>
> No, there were 3 pickups to generate the sync pulse at various times:
> 1 - mechanical -- very early models
> 2 - magnetic pickup with rigid cable in tube, permanent magnet in pickup and
> moving iron slug in rim of flywheel
> 3 - magnetic pickup with flexible cable and permanent magnet in rim of
> flywheel -- late models
>
> These variations required changes in the drive electronics, so they, like
> the different punch magnet operating voltages, had to be options the
> customer could specify when ordering replacement units or parts.
>
> And there were several ypes of cover over the punch itself
>
> 1 - with window, without notch for tape-feed lever -- very early models
> 1 - with window and notch -- early models
> 2 - without window -- late models
>
> I don't think they made any model number changes for the with and without
> window covers, and I'm not clear on BRPEs made without a tape feed lever,
> but I see in the parts list or manuals that these options existed.
>
>             Doug
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