Re: Nova 3 front panel

2016-07-29 Thread Vincent Slyngstad
Today I received copies of the schematic and parts layout for the Nova 3 panel from Peter Simpson. I believe Perer also sent a copy to bitsavers. Thanks Peter!! The correct part number for the bulbs is 014-02, which makes it a CM2176 equivalent. The CM2176 has only a 1000 hour

RE: Nova 3 front panel

2016-07-24 Thread Henk Gooijen
Van: jim stephens

RE: Nova 3 front panel

2016-07-23 Thread Henk Gooijen
Van: jim stephens

Re: Nova 3 front panel

2016-07-23 Thread Vincent Slyngstad
From: jim stephens: Saturday, July 23, 2016 11:41 AM I was looking at this sale on ebay from Vince's part number. Also it is a US shipping source, so may not save Henk anything. But it is the lowest cost I found around. 10-PACK-Bulb-for-MINIATURE-LAMP-2187D-LAMP-28VOLTS-1-12WATTS

Re: Nova 3 front panel

2016-07-23 Thread Paul Koning
> On Jul 23, 2016, at 2:41 PM, jim stephens wrote: > > > > On 7/23/2016 10:57 AM, Vincent Slyngstad wrote: >> From: Henk Gooijen: Saturday, July 23, 2016 10:36 AM >>> Somebody knows of a source for 28V 40 mA “grain” bulbs with wires? >>> I could use some 10 … and 20 as

RE: Nova 3 front panel

2016-07-23 Thread Henk Gooijen
Van: jim stephens

Re: Nova 3 front panel

2016-07-23 Thread jim stephens
On 7/23/2016 10:57 AM, Vincent Slyngstad wrote: From: Henk Gooijen: Saturday, July 23, 2016 10:36 AM Somebody knows of a source for 28V 40 mA “grain” bulbs with wires? I could use some 10 … and 20 as spare  Mouser has 950 CM2185 bulbs in stock, which should work nicely. The Netherlands

Re: Nova 3 front panel

2016-07-23 Thread Vincent Slyngstad
From: Henk Gooijen: Saturday, July 23, 2016 10:36 AM Somebody knows of a source for 28V 40 mA “grain” bulbs with wires? I could use some 10 … and 20 as spare  Mouser has 950 CM2185 bulbs in stock, which should work nicely. The Netherlands version of the site has the same quantity. Maybe

RE: Nova 3 front panel

2016-07-22 Thread Jay West
Jim; Thanks for the link... I went up the tree and saw the pics of that ADDS Envoy terminal. I'm exceedingly green with envy. Congrats on an awesome piece of kit! J

Re: Nova 3 front panel

2016-07-22 Thread jim stephens
On 7/22/2016 10:39 AM, Vincent Slyngstad wrote: I'm not a big fan of the surgery involved in LED conversion, though I understand why folks do it. Particularly if they, like Emil, have used the wrong bulbs and found themselves replacing them all the time. I wouldn't do the surgery, but here's

Re: Nova 3 front panel

2016-07-22 Thread Fred Cisin
On Fri, 22 Jul 2016, Vincent Slyngstad wrote: Somewhere, I have Oshino's write-up about bulb rated voltage and bulb operating voltage, but I do remember the lifespan varies as some power of the ratio, and it makes a huge difference. (There are also formulae for derating brightness, etc.) I

Re: Nova 3 front panel

2016-07-22 Thread Brent Hilpert
On 2016-Jul-22, at 11:00 AM, Vincent Slyngstad wrote: > From: Vincent Slyngstad: Friday, July 22, 2016 10:39 AM >> Somewhere, I have Oshino's write-up about bulb rated voltage and bulb >> operating voltage, but I do remember the lifespan varies as some power of >> the ratio, and it makes a huge

Re: Nova 3 front panel

2016-07-22 Thread Bruce Ray
DG generally used 28V, 0.040 Ma (nominal), fragile wire-lead incandescent bulbs for the Nova/SuperNova/Nova2/Nova3 front panels as well as the early Eclipses. The S/130 was DG's first LED-based front panel and was much-appreciated by Field Service. More followup off-list... Bruce On

Re: Nova 3 front panel

2016-07-22 Thread Brent Hilpert
On 2016-Jul-22, at 10:39 AM, Vincent Slyngstad wrote: > From: jim stephens: Friday, July 22, 2016 12:46 AM >> On 7/22/2016 12:25 AM, Vincent Slyngstad wrote: >>> I mentioned http://www.foxdata.com/blog/tag/nova-312/ to you earlier, which >>> suggested the 28V bulbs. I also found >>>

Re: Nova 3 front panel

2016-07-22 Thread Vincent Slyngstad
From: Vincent Slyngstad: Friday, July 22, 2016 10:39 AM Somewhere, I have Oshino's write-up about bulb rated voltage and bulb operating voltage, but I do remember the lifespan varies as some power of the ratio, and it makes a huge difference. (There are also formulae for derating brightness,

Re: Nova 3 front panel

2016-07-22 Thread Vincent Slyngstad
From: jim stephens: Friday, July 22, 2016 12:46 AM On 7/22/2016 12:25 AM, Vincent Slyngstad wrote: I mentioned http://www.foxdata.com/blog/tag/nova-312/ to you earlier, which suggested the 28V bulbs. I also found http://www.chookfest.net/nova3/ledmod.html which makes it clear that the voltage

RE: Nova 3 front panel

2016-07-22 Thread Jay West
Jim wrote... --- Jay did your DG stuff on the back dock move? just curious --- Not yet. One listmember expressed interest but nothing firm. Two racks of DGblue just waiting for someone to cart them off ;) One is an S/200 and it uses bulbs. My S/130 uses LEDS I seem to recall, but

Re: Nova 3 front panel

2016-07-22 Thread jim stephens
On 7/22/2016 12:25 AM, Vincent Slyngstad wrote: From: jim stephens: Thursday, July 21, 2016 9:53 PM I have not had time to figure out the driver circuit for any of the lamps to see what that may turn up, and wanted to know whether it was 28v lamps before I buy 40 of them. (the thing has

Re: Nova 3 front panel

2016-07-22 Thread Vincent Slyngstad
From: jim stephens: Thursday, July 21, 2016 9:53 PM I have not had time to figure out the driver circuit for any of the lamps to see what that may turn up, and wanted to know whether it was 28v lamps before I buy 40 of them. (the thing has only 2 out of a lot of lamps). I mentioned