[GreenKeys] M28 LPR reperf

[John, W9DDD]

As usual, Nick types faster and more accurately than I do.

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

On 4/12/2021 1:07 PM, Duncan Brown wrote:
> Thanks, Nick!
> 
> KLI never used chadless tape (they have the wide edge to type on), so 
> they say to adjust the tape reader
>   for the center of the holes.
> 
> I'll  have to try running the LPR tape on a different machine.
> 
> Thanks & 73,
> 
> Duncan
> K2OEQ
> 
> On 12-Apr-21 13:45, Nick England wrote:
>> 1) It doesn't punch sprocket holes, just pierces with the spiked sprocket
>> 2) There is a plastic hammer head that, like much plastic, rots away 
>> after 50 years or so. But even with a fresh head, I've never gotten 
>> very dark printing. If it is printing at all, your head is probably 
>> still good. Spice up your ribbon with a little WD-40?
>> 3) All Teletype TDs read both chadful and chadless tape. IIRC teletype 
>> says adjust so that the pins poke in the center of the hole. I dunno 
>> about that KI gear.
>>
>> Cheers
>> Nick England K4NYW
>> www.navy-radio.com <http://www.navy-radio.com>
>>
>>
>> On Mon, Apr 12, 2021 at 1:30 PM Duncan Brown <duncanancy at earthlink.net 
>> <mailto:duncanancy at earthlink.net>> wrote:
>>
>>     I've been checking out a M28 LPR, chadless tape, reperf.  I'm
>>     mainly a
>>     Kleinschmidt & M15 guy and don't have much experience with M28s (they
>>     just seem to run & I don't have to do anything with them). So some
>>     questions on the LPR:
>>
>>     1. Does the LPR punch the feed holes? or do the feed pins just pierce
>>     the tape?  (the feed holes look small and pierced rather than
>>     punched.)
>>
>>     2. The print was light, so I put in a new ribbon, but it didn't make
>>     much difference.  I remember seeing some comments about
>>     problems/solutions to a print hammer problem.  What is the problem
>>     and
>>     is there a solution?
>>
>>     3.  Were different tape readers required for chad and chadless tape?
>>     Tried running a tape from the LPR on a TT-76 (it is designed for both
>>     sizes of tape) , but there were lots of errors.  I can understand
>>     that
>>     with fully-punched tape, you would want to sense the tape in the
>>     middle
>>     of the hole. But with chadless tape you might want to sense near the
>>     edge of the hole, away from the chad hinge?
>>
>>     Thanks,
>>
>>     Duncan
>>     K2OEQ
>>
>>
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> 
> 
> 
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