Part II - The Cylinder.
The Cylinder is a block of brass 25mm square by 35mm long. It has already been bored for the piston and the CNC Mill has been used to shape the outside.
![http://farm6.static.flickr.com/5135/5541869469_5756b0099b.jpg](http://farm6.static.flickr.com/5135/5541869469_5756b0099b.jpg)
In this set-up the cylinder port face has the steam and exhaust ports milled and the holes for the studs that hold the steam chest on have been center drilled.
![http://farm6.static.flickr.com/5132/5542450060_d47131903d.jpg](http://farm6.static.flickr.com/5132/5542450060_d47131903d.jpg)
The steam chest stud holes are now being drilled.
![http://farm6.static.flickr.com/5258/5542450322_9865e60571.jpg](http://farm6.static.flickr.com/5258/5542450322_9865e60571.jpg)
In this setup on the X3 Mill the steam ports are being drilled at a 15 degree angle. The sin vice is being used to hold the job.
![http://farm6.static.flickr.com/5295/5541870395_3214b4c954.jpg](http://farm6.static.flickr.com/5295/5541870395_3214b4c954.jpg)
Wide shot - in this setup the end holes for the cylinder cover studs are being drilled.
![http://farm6.static.flickr.com/5095/5542450892_9c79598d19.jpg](http://farm6.static.flickr.com/5095/5542450892_9c79598d19.jpg)