Unti-ringing sleeve for DudisGun PCP
thingiverse
A sleeve that reduces ringing noise when inserted into the air reservoir of a PCP airgun DudisGun _(rus. Пистолеттобулочка)_ The shape and sizes were provided by the author himself, I just created an STL file. The sleeve has a large hole to support valve spring tuning without disassembling: just unscrew the front plug and use a tool As there's always oil in the reservoir, oil-resistive plastics are preferable: PETG, ABS, nylon, etc. Use supports to render the placeholders for O-rings fine (inner diameter 20mm, ring diameter 2.5mm) **UPDATE** I added another one with a cone and a tiny hole, it doesn't allow spring tuning but it's a kinda more classic design for such things. Also, it requires neither o-rings nor support structures
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