The beauty of the pneumatic systems is that the pressure is self-equalizing, instead of having spots of higher and lower pressure, and one size fits all.<br> <br> Bob D<br> <br> <br> -----Original Message-----<br> From: David Love <davidlovepianos@comcast.net><br> To: 'Pianotech List' <pianotech@ptg.org><br> Sent: Thu, 28 Feb 2008 9:46 pm<br> Subject: RE: Pneumatic presses<br> <br> <div id=AOLMsgPart_0_57761060-8c03-44ab-81a4-df0fd36de18f style="FONT-SIZE: 12px; MARGIN: 0px; COLOR: #000; FONT-FAMILY: Tahoma, Verdana, Arial, Sans-Serif; BACKGROUND-COLOR: #fff"><PRE style="FONT-SIZE: 9pt"><TT>I think that getting the rib (of various lengths) positioned under enough leaf springs to provide adequate clamping pressure to press the whole thing into a curved caul is asking too much of that type of arrangement. David Love <A href="mailto:davidlovepianos@comcast.net">davidlovepianos@comcast.net</A> <A href="http://www.davidlovepianos.com/" target=_blank>www.davidlovepianos.com</A> -----Original Message----- From: <A href="mailto:pianotech-bounces@ptg.org">pianotech-bounces@ptg.org</A> [<A href="mailto:pianotech-bounces@ptg.org?">mailto:pianotech-bounces@ptg.org</A>] On Behalf Of Jon Page Sent: Thursday, February 28, 2008 5:37 PM To: <A href="mailto:pianotech@ptg.org">pianotech@ptg.org</A> Subject: Pneumatic presses Why can't a few leaf springs be used instead of all this fancy air stuff? -- Regards, Jon Page </TT></PRE></div> <div id='u8CA489DEF3822CC-BF8-261E' class='aol_ad_footer'><FONT style="color: black; font: normal 10pt ARIAL, SAN-SERIF;"><HR style="MARGIN-TOP: 10px">Supercharge your AIM. Get the <A title="http://download.aim.com/client/aimtoolbar?NCID=aolcmp00300000002586" href="http://download.aim.com/client/aimtoolbar?NCID=aolcmp00300000002586" target="_blank">AIM toolbar</A> for your browser.</FONT> </div>