Hi Fred, To add to what Ron said, there are no channels for air. With this rig, there is no problem getting enough float to move the rig easily. The bigger problem is getting too much float. The trick is finding the pressure that floats the device smoothly, but with enough friction to allow you to control the positioning of the rig. As the bit begins to get close to your center punched hole in the pinblock, you don't want the rig acting like a greased pig. Once you get the hang of it (about 1/3 or less of a block) it's pretty slick...... William R. Monroe I don't know, Ron, It's starting to look like you should patent the Ronocraft........ ;-] > Great looking rig! I'm sold. Where do you run the compressed air and did > you > drill channels in the base to distribute the air. I actually have that > same > model radial drill press so I would really like to copy the > design[Ronocraft]. > Fred Brown RPT > Atl GA
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