<html><body style="word-wrap: break-word; -webkit-nbsp-mode: space; -webkit-line-break: after-white-space; ">
Agreed. The ball bearing heads were quite stable for monochome. Nothing that the servos and Pixlock couldn't handle with ease.<div>Our TRT1's at Wayne State did have air bearing HWP's sometime along the way.</div><div><br></div><div>Chuck Reti</div><div>Detroit MI</div><div>WV8A<br><div><br><div><div>On Apr 9, 2012, at Apr 9 2:23 PM, <a href="mailto:chill315@aol.com">chill315@aol.com</a> wrote:</div><br class="Apple-interchange-newline"><blockquote type="cite"><span class="Apple-style-span" style="border-collapse: separate; color: rgb(0, 0, 0); font-family: Helvetica; font-style: normal; font-variant: normal; font-weight: normal; letter-spacing: normal; line-height: normal; orphans: 2; text-align: auto; text-indent: 0px; text-transform: none; white-space: normal; widows: 2; word-spacing: 0px; -webkit-border-horizontal-spacing: 0px; -webkit-border-vertical-spacing: 0px; -webkit-text-decorations-in-effect: none; -webkit-text-size-adjust: auto; -webkit-text-stroke-width: 0px; font-size: medium; "><div>Yes ball bearing heads are stable. The TRT that I had used only ball bearing heads. The residual jitter is not that bad. You will never see it in black and white. <br><br>Chris Hill</div><div><br>On Apr 9, 2012, at 1:52 PM,<span class="Apple-converted-space"> </span><a href="mailto:COURYHOUSE@aol.com">COURYHOUSE@aol.com</a><span class="Apple-converted-space"> </span>wrote:<br><br></div><div></div><blockquote type="cite"><div><font id="role_document" color="#000000" size="2" face="Arial"><div><div>were the BB headwheels stable!?</div><div> </div><div>Ed#</div></div></font></div></blockquote></span></blockquote></div><br></div></div></body></html>