[modeleng] Piston Glands
- From: "Barrie Purslow" <bpduo@xxxxxxxxxxxxx>
- To: "Model Engineering List" <modeleng@xxxxxxxxxxxxx>
- Date: Mon, 7 Nov 2005 19:27:05 -0000
I am currently refurbishing a 5" Duchess. The engine has seen quite a bit of
use, having had several owners the last of whom dumped it in a barn! I am
currently working on the cylinders which have rusted quite badly.
The piston rod glands are fairly conventional stuffing boxes but each gland has
four 10ba studs with a pair of locking nuts on each stud. This arrangement is
very difficult to adjust on the outside cylinders and virtually impossible on
the inside cylinders (It is a four cylinder engine). I am contemplating
modifying the arrangement and replacing the stuffing boxes with O rings.
Similarly with the piston valve rods. Whilst I have used O rings with
considerable success on piston valve rods I have never tried them as a piston
rod seal.
Any thoughts gents?
Barrie
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