Office of Steam Forum for Model & Toy Steam Gas & Hot Air Engines

The cylinder needs a tidy up on outside .
Hold in vice on mill with a arbour .
Mill back and forward.
Shift slightly and repeat .
Eventually it is roundish

[ Guests cannot view attachments ]

[ Guests cannot view attachments ]

[ Guests cannot view attachments ]

And after some filing and a wire brush

[ Guests cannot view attachments ]