[GreenKeys] M28 LPR reperf

[Duncan Brown]

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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