[AR] Re: Removing coking deposits
- From: Henry Spencer <hspencer@xxxxxxxxxxxxx>
- To: Arocket List <arocket@xxxxxxxxxxxxx>
- Date: Thu, 15 Sep 2016 23:42:29 -0400 (EDT)
On Thu, 15 Sep 2016, Robert Watzlavick wrote:
...a few of the holes seem slightly darker than others so I can only
assume that is due to coking from the fuel (kerosene). Does anyone have
suggestions on how to clean up the holes? I was thinking of chucking up
a wire brush in a drill and running it down in the holes but a solvent
would be preferable.
I don't think you're going to find a solvent that will simply dissolve
classical coking deposits -- my understanding is that they simply aren't
soluble in anything reasonable. (Remember, if they're there at all, that
means that hot fast-flowing kerosene couldn't dissolve them...)
Something that would *react* with them and not with the passage walls,
well, maybe, but I think it would take something pretty aggressive to
react with that stuff.
I'd guess you're going to end up doing mechanical removal.
Henry
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