[Shop-talk] Mesh size for engine oil strainer

[Bob Spidell]

Some aircraft use screen oil filter cartridges; I searched a little but, 
unfortunately nothing I found listed a mesh size.


On 1/20/2022 11:49 AM, Pat Horne wrote:
> Funny, the only filter I had any experience with was also old VWs!
>
> Peace,
> Pat
>
> Pat Horne
> We support Habitat for Humanity
>
>
> On Jan 20, 2022, at 1:05 PM, Jeff Scarbrough <fishplate at gmail.com> wrote:
>
> 
> The only oil strainer I'm familiar with is the one on air-cooled 
> Volkswagens.  Seems like it's something under a millimeter....so less 
> than 0.04" or so.  Getting into 20 or 30 mesh, if I read the chart 
> correctly.
>
> On Thu, Jan 20, 2022, 13:49 old dirtbeard <dirtbeard at gmail.com> wrote:
>
>     Hi guys,
>     Does anybody know what would be the approximate appropriate mesh
>     size of the screens used to filter engine oil feeding out of the
>     oil tanks or frames on old British bikes (e.g., mesh size of 20,
>     40, 60, etc.)?
>     I am looking at these options from McMaster-Carr:
>     https://www.mcmaster.com/.../low-pressure-bronze-y.../...
>     <https://www.mcmaster.com/filter-screens/low-pressure-bronze-y-strainers-8/?fbclid=IwAR3zzH6D3awtNoVHjkpnQ2vcwzMnH_M7fIyf4jpnLguZLAw9Kfy1FBZzfLw>
>     I have added a paper filter on the return-side, so mostly I really
>     want to filter the debris that may come out of the frame until the
>     paper filter has had a chance to entirely clean the reservoir.
>     Too large of a mesh and it will not stop the debris, of course,
>     but too small and it would restrict/block the gravity flow of the oil.
>     Thank you very much!
>
>     -- 
>     Best,
>     doug
>
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