Re: PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Fred Cisin via cctalk
Once the pick is set to the lock cylinder, it is straightforward to measure the depths. SOME duplicators can copy from the pick tool, but some will knock sliders out of place. On Sat, 1 Dec 2018, Guy Dunphy wrote: Pins on mine will be individually solidly lockable, for that reason. While you

Re: PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Fred Cisin via cctalk
On Fri, 30 Nov 2018, Jon Elson via cctalk wrote: Those are the 8 possible DEPTHS of the grooves cut into the key. So, that gives a possible combinations of 8 to the 7th power, I think. These depths correspond (with an offset) to the lengths of the tumblers (pins) in the lock. So, if you know wha

Re: PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Guy Dunphy via cctalk
At 11:37 PM 30/11/2018 -0500, you wrote: > > How come there are 8? The lock only has 7 pins. > > Also which is pin 1 and which direction do they number? > >There are 8 possible depths, as Ethan listed. > >The lock has seven pins, with the depth indexes Ethan listed. Ah, sorry, lacking the context

Re: PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Jon Elson via cctalk
On 11/30/2018 09:53 PM, Guy Dunphy via cctalk wrote: How come there are 8? The lock only has 7 pins. Those are the 8 possible DEPTHS of the grooves cut into the key. So, that gives a possible combinations of 8 to the 7th power, I think. These depths correspond (with an offset) to the lengths

Re: PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Dennis Boone via cctalk
> How come there are 8? The lock only has 7 pins. > Also which is pin 1 and which direction do they number? There are 8 possible depths, as Ethan listed. The lock has seven pins, with the depth indexes Ethan listed. Conventional pin numbering is to look into the lock, number from 1 CW starting

Re: PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Fred Cisin via cctalk
Or, if you prefer, I can dig through some old posts on this list, and tell you the depths of the cuts for XX2247. It has been widely discussed a few years back. On Mon, 25 Apr 2011, Ethan Dicks wrote: 1 - 0.0155" 2 - 0.0310" 3 - 0.0465" 4 - 0.0620" 5 - 0.0775" 6 - 0.093" 7 - 0.1085" 8 - 0.1240

Re: PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Guy Dunphy via cctalk
At 07:23 PM 30/11/2018 -0800, you wrote: >> Or, if you prefer, I can dig through some old posts on this list, and tell >> you the depths of the cuts for XX2247. It has been widely discussed a few >> years back. > >On Mon, 25 Apr 2011, Ethan Dicks wrote: >> 1 - 0.0155" >> 2 - 0.0310" >> 3 - 0.046

Re: PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Guy Dunphy via cctalk
At 07:05 PM 30/11/2018 -0800, you wrote: >On Sat, 1 Dec 2018, Guy Dunphy via cctalk wrote: >> And now, back to machining a lock pick for a PDP-8/S front panel cylinder >> lock. >> http://everist.org/NobLog/20181104_PDP-8S.htm#locks > >Are you sure that it's not an "XX2247"? I wouldn't know. Ther

Re: PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Fred Cisin via cctalk
Or, if you prefer, I can dig through some old posts on this list, and tell you the depths of the cuts for XX2247. It has been widely discussed a few years back. On Mon, 25 Apr 2011, Ethan Dicks wrote: 1 - 0.0155" 2 - 0.0310" 3 - 0.0465" 4 - 0.0620" 5 - 0.0775" 6 - 0.093" 7 - 0.1085" 8 - 0.124

PDP8 key (Was: Text encoding Babel.

2018-11-30 Thread Fred Cisin via cctalk
On Sat, 1 Dec 2018, Guy Dunphy via cctalk wrote: And now, back to machining a lock pick for a PDP-8/S front panel cylinder lock. http://everist.org/NobLog/20181104_PDP-8S.htm#locks Are you sure that it's not an "XX2247"? (Widely used on MOST PDP8's, and pretty much all keyed alike, unless ther