<html><head></head><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:12px"><div id="yui_3_16_0_ym19_1_1481750608756_13176">Wow , big job, but my manipulator is done and ready for paint. I managed to build it so all functions operate at 100 psi or less. That means it will be a pretty low pressure system. I will only need about 150 psi over ambient plus the cross section of the piston rod.</div><div id="yui_3_16_0_ym19_1_1481750608756_13176">Hank</div></div></body></html>