Model 152 PSU dummy loads - Re: NeXT Cube - powers on briefly then off again

[Brian Archer]

Hi Toby,

I'll try to post some photos in a week or 2. Rob has asked me to make some
internal load boards for him so I can show more details while I'm at it.
The bulb is the best option in my opinion and seems to work just fine
without additional cooling in the cube.

--
Brian


On Mon, Oct 26, 2015 at 6:43 AM, Toby Thain <toby at telegraphics.com.au>
wrote:

> On 2015-10-26 1:02 AM, Brian Archer wrote:
>
>> Even a 10W resistor will get really hot. I embed two 5W resistors into a
>> pentium class CPU cooler for a good compromise on space/thermal concerns.
>> You can see a pic on my site here:
>> http://asterontech.com/Asterontech/next_adb_conversion.html
>>
>>
> Hi Brian
>
> I did see your mod while looking around for info.
>
> I'd prefer not to mod the soundbox so my options seem to be your internal
> backplane load board (
> http://www.nextcomputers.org/forums/viewtopic.php?t=3616&highlight=load+board
> ) or maybe a small load board inline to the monitor cable?
>
> It looks like ambient cooling is sufficient for the version shown here?
>
> Thanks very much for the excellent info you've posted so far!
>
> --Toby
>
> Internal to the cube, I've found using a 5W appliance bulb to be the
>> easiest.
>>
>> --
>> Brian Archer
>> \
>>
>