Or you can use food dye... BTDT
> -----Original Message----- > From: [EMAIL PROTECTED] [mailto:aus-soaring- > [EMAIL PROTECTED] On Behalf Of swk > Sent: Wednesday, 8 August 2007 4:00 PM > To: Discussion of issues relating to Soaring in Australia. > Subject: Re: [Aus-soaring] My round-tuit list > > The last one I made I used straight glass tubes (industrial chemist > supplies). I did experiment with bending them myself but it wasn't such a > neat job. In the end it's easiest to use two straight glass tubes and a > short length of PVC or Silicon tube to join their bottoms. That curves as > nice as you like. > > The glass is better than plastic tubing as the water doesn't seem to stick > to it as much. > > Also from Ben's or other industrial suppliers you might be able to get a > colouring agent for the water, which helps a lot to make the reading easier. > It is specifically for water manometers and has an SG=1. Can be red or > green. If you don't have the tubes mounted on a white background, run a > white tape up behind the tube (what glider pilot wouldn't have rolls of > white tape!) > > Regards > SWK > > > ----- Original Message ----- > From: "Catherine Conway" <[EMAIL PROTECTED]> > To: "Discussion of issues relating to Soaring in Australia." > <aus-soaring@lists.internode.on.net> > Sent: Wednesday, August 08, 2007 2:36 PM > Subject: Re: [Aus-soaring] My round-tuit list > > > > Thanks but I already have a wonderful calibrated scale that I bought > > years ago. The rest is pretty easy with a few bits of Ply and a > > jigsaw, and a large syringe etc. But sure, send me a pic of the > > ready made one if you have one. > > > > -Cath > > > > > > > > On 08/08/2007, at 2:21 PM, Ben Jones wrote: > > > >> Cath, > >> > >> There is a easy way to make a manometer, > >> > >> They are available as a complete ready to use item, just add water, a > >> company in Perth sells the for gasfitters and plumbers, > >> There name is "ALL CONTROLS or A+L SALES". > >> > >>> From memory my 8kpa manometer was about $ 70.00 > >> > >> If you would like I could get a costing for you as they supply me > >> many gas > >> related items. > >> > >> Regards > >> > >> Ben > >> > >> > >> > >> ----- Original Message ----- > >> From: "Catherine Conway" <[EMAIL PROTECTED]> > >> To: "Aus-Soaring in Australia." <aus-soaring@lists.internode.on.net> > >> Sent: Wednesday, August 08, 2007 10:54 AM > >> Subject: [Aus-soaring] My round-tuit list > >> > >> > >>> Hi guys > >>> > >>> Something thats been on my list for a while is to make myself a > >>> manometer. Does anyone know where I can get the glass u-tube from? > >>> > >>> Thanks > >>> > >>> Cath > >>> _______________________________________________ > >>> Aus-soaring mailing list > >>> Aus-soaring@lists.internode.on.net > >>> To check or change subscription details, visit: > >>> http://lists.internode.on.net/mailman/listinfo/aus-soaring > >> _______________________________________________ > >> Aus-soaring mailing list > >> Aus-soaring@lists.internode.on.net > >> To check or change subscription details, visit: > >> http://lists.internode.on.net/mailman/listinfo/aus-soaring > > _______________________________________________ > > Aus-soaring mailing list > > Aus-soaring@lists.internode.on.net > > To check or change subscription details, visit: > > http://lists.internode.on.net/mailman/listinfo/aus-soaring > _______________________________________________ > Aus-soaring mailing list > Aus-soaring@lists.internode.on.net > To check or change subscription details, visit: > http://lists.internode.on.net/mailman/listinfo/aus-soaring _______________________________________________ Aus-soaring mailing list Aus-soaring@lists.internode.on.net To check or change subscription details, visit: http://lists.internode.on.net/mailman/listinfo/aus-soaring
