Russell Other option: Hobby airbrush compressors are small and cheap (I never tried one though), perhaps you can use it inverted if the air intake is appropriate. http://www.hobbycity.com/hobbyking/store/uh_viewItem.asp?idProduct=3D9298 There may be many models out there, one may fit your needs. - Ariel Rocholl 2010/10/18 > > I have a requirement for 1 or 2 (maybe 3) vacuum pumps capable of > providing > > a vacuum of slightly over about 0.5 atmosphere / 50 kPa / 7 psi / 14 > inches > > of mercury / at a flow rate (if vacuum flows :-) - of say 1.8 litres / > > minutes or about 3cc/second. That's a very modest requirement by most > > standards. > > Sounds like you should use an old Weller solder sucker pump, with some > sort of tank. I am thinking you may be able to get a gas cylinder at > destination to use as a suitable pressure rated tank - think something > like a Sodastream CO2 cylinder or small refillable camping stove gas > cylinder. I would guess the airlines wouldn't be too happy about you > carrying one in your luggage, but a similar small pressure cylinder > obtained at destination should be do-able. > -- > Scanned by iCritical. > > -- > http://www.piclist.com PIC/SX FAQ & list archive > View/change your membership options at > http://mailman.mit.edu/mailman/listinfo/piclist > --=20 http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .