self build steam plant test run.

double acting oscillator and copper boiler driving power hammer ⚒️

[@RetroSteamTech]

Very nice David and very quiet.

[@SteamDreamDE]

Test passed! Very nice. 😎

[@MrNostalgicdave]

Thanks! 👍

[@MrNostalgicdave]

Thanks Alan, think I need to hone the port block faces to reduce steam loss otherwise its ok.😊