Front turret top mod next
First I cut out a template
http://i205.photobucket.com/albums/b.../060208075.jpg
Next mark out on some steel
http://i205.photobucket.com/albums/b.../060208077.jpg
For those of us without a plasma cutter you can try the old skool flame cut appraoch. The nozzle to use is the thin sheet steel one on the left
http://i205.photobucket.com/albums/b.../060208082.jpg
This is dragged along the surface of the steel and is specifically designed to give a small flame and narrow cut on sheet steel
http://i205.photobucket.com/albums/b.../060208084.jpg
http://i205.photobucket.com/albums/b.../060208088.jpg