I was talking about the other system with clamp pressure that he wanted to build. Marcel > -----Message d'origine----- > De : pianotech-bounces at ptg.org > [mailto:pianotech-bounces at ptg.org] De la part de Farrell > Envoyé : 26 mars 2007 18:12 > À : Pianotech List > Objet : Re: Rib Press > > > "When you start putting the pressure you'll have to go back > and forth to > even out the pressure and it will be extremely difficult for > you to be sure > to get even pressure." > > Marcel, can you take another stab at stating the above - I don't > understand - back and forth between what? What is difficult > about delivering > a target air pressure? > > Terry Farrell > > ----- Original Message ----- > > I've fitted my hoses with a platic cap at one end and > drilled a hole > > in the cap to insert a truck tire valve. You could use a > bicycle pump > > to fill them if you don't want to use the compressor. The > screw type > > will be heavier and more problematic to use: When you > start putting > > the pressure you'll have to go back and forth to even out > the pressure > > and it will be extremely difficult for you to be sure to get even > > pressure. Air pressure is THE way to go for rib gluing. To keep my > > cauls together, I just use webbing straps that are held tight with > > small c-clamps. Real portable and light. > > > > Marcel Carey, RPT > > Sherbrooke, QC > > >
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