Gantry must be somewhere near about 20kg and thats without the dc spindle motor i will need to mount later when I've finished modding the ER16 end. A soon as can i will post some pics up on my log which i have neglected for a very long time (family stuff takes over). I have a list of changes for it already but need the machine to make the changes. i am glad to see that you have come a long way since you started Jonathan and thanks for the help, you too John