Hello, I will be greatly interested in getting those cartridges if they are still available. I will be getting soon my first DEC RK05 drive, unfortunately I won't have any rk cartridges to it. I'm aware that those are 8-sector but the RK11 requires 12-sectors ones. However, that could be overcome with simple microcontroller inside drive logic, mimicking those required 12+1 sector pulses with sync to 8+1 pulses from the real platters. I don't also worry about interchangeability, because without proper heads alignment my rk05 won't be able to reliable read or write cartridges written on another rk05 drive anyway. Looking forward to getting your replay Best regards Mikolaj
On Tue, Dec 30, 2025, 14:06 Kurt Nowak via cctalk <[email protected]> wrote: > Update - they person who wanted them had a change of heart, so they are > available again for anyone who wants them. I'd be willing to send no more > than 4 in a box. I'd hate to just toss these things in the garbage but it > looks like it may come to that. > > -Kurt > > On Fri, Dec 12, 2025, 09:02 Kurt Nowak <[email protected]> wrote: > > > Thanks for all the info, especially info on the spring loaded access > door. > > The vacuum venting makes sense but I'm still perplexed as to how the > > read/write head gets access to the magnetic surface. As I stated in my > > original posting, 4 of them seem to have broken off. Do you think it's > best > > to open the rest of the broken ones up (in a very clean dust free area) > and > > remove them or leave them in there flopping around risking damage during > > transit? They are pretty easy to open up.I was thinking of carefully > taping > > shut the opening with masking tape and a small patch of plastic. > > > > Also, they have been claimed already, sorry. A portion will be donated to > > CHM. > > > > > > -Kurt > > > > On Fri, Dec 12, 2025 at 12:33 AM Christian Corti via cctalk < > > [email protected]> wrote: > > > >> On Wed, 10 Dec 2025, Kurt Nowak wrote: > >> > I came across a big box of 12 of these disks which my dad acquired > >> through > >> > work back in the 70s, and squirreled them away in the attic after they > >> had > >> > >> These are disk cartridges from an IBM 1130 system. > >> > >> Christian > >> > > >
