[Shop-talk] Mesh size for engine oil strainer

[Jeff Scarbrough]

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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