Hi everybody, Madmike, new member from France... Don't have much time to introduce myself but I'll do it as soon as I can
Just to add a link to a Belgian homemade self-contained airhammer Upper right one
@ JK : You would have to make both at once a hammer AND a compressor...
Edit : I didn't see it before but it seems to have been discussed here Hydraulic cylinder question? :rolleyes: