> On Apr 25, 2017, at 6:06 AM, Pete Turnbull via cctalk <cctalk@classiccmp.org>
> wrote:
>
> On 25/04/2017 10:08, jim stephens via cctalk wrote:
>>
>> On 4/25/2017 1:39 AM, Pete Turnbull via cctalk wrote:
>>>
>>> "Little residue" would be more accurate, and some of that residue
>>> will be water (look up "azeotrope") - plus you need a lot of
>>> alcohol for something the size of a PDP-8 backplane. Blow dry,
>>> even after an alcohol rinse.
>
> I should perhaps have mentioned that the idea is to flush the remaining
> water or alcohol out by blowing, not evaporate it like your hairdresser
> would :-) And you ought to use dry air, ideally - most compressors have
> water in their air.
Worse yet, a lot of compressors have oil in their air. You can attached a
dryer/filter to the compressor outlet to block that. Compressors intended for
air brush use tend to be set up that way, and/or use a mechanism that doesn't
use oil (such as a diaphragm pump).
paul
