That wouldn't be a finger would it? :-) John M. Ross Windsor, Nova Scotia, Canada. jrpiano at win.eastlink.ca ----- Original Message ----- From: "Alan McCoy" <amccoy at mail.ewu.edu> To: <caut at ptg.org> Sent: Wednesday, June 07, 2006 12:27 PM Subject: Re: [CAUT] Undercover - hooks and grommets > Hey Fred and David, > > This digital sensing device to prevent overfilling exists already. > I've been > using one for years and it is foolproof, infinitely adjustable > on-the-fly > and cheap. It's in everybody's tool kit. > > Alan > > >> From: Fred Sturm <fssturm at unm.edu> >> Reply-To: "College and University Technicians <caut at ptg.org>" >> <caut at ptg.org> >> Date: Tue, 06 Jun 2006 14:47:17 -0600 >> To: "College and University Technicians <caut at ptg.org>" >> <caut at ptg.org> >> Subject: Re: [CAUT] Undercover - hooks and grommets >> >> Hi Mark, >> I can hear the end of the trickling sound okay, but I like to "push >> the envelope" and add another half a liter or so beyond, to take care >> of the last day of those two weeks between fillings during dry >> periods. Me, I have no help and have to fill the darned things >> myself. Once every two weeks I can handle. >> It's a matter of learning how much water to add beyond the point >> where the sound diminishes to nothing, and the precise timing of the >> end of the trickle noise. Of course, this depends on the end of the >> tube (its setting in relationship to the top/bottom of the tank) >> being consistent from piano to piano. I overfilled precisely two >> times (we have hard water, so it left plenty of evidence in the form >> of minerals). Fine enough for me, but if you are training student >> help, you'll want something more concrete. >> There are plenty of possibilities, including installing one of those >> beepers at just the right level (probes set at just below the target >> water level), with a switch in its cord. Turn the switch on so it is >> beeping when you start to fill, then stop adding water when it stops >> beeping. And remember to switch it off now, to avoid annoying the >> sensitive ears of the piano prof between services <G>. >> Regards, >> Fred Sturm >> University of New Mexico >> fssturm at unm.edu >> >> >> >> On Jun 6, 2006, at 1:20 PM, Mark Cramer wrote: >> >>> Question: Since you listen to the (faint) trickling sound when >>> filling >>> tanks, how hard should it be to make the filling process "noisier" >>> i.e.: add >>> somthing that rattles around at the end of the tube... ? >>> >>> or for that matter, why not a simple float that rises with the >>> "tide" until >>> it blocks the end of the filler tube? >>> >>> We really should be able to solve this thing. >>> >>> best regards, >>> Mark Cramer, >>> Brandon University >>> >>> >>> >>> >>> >>> >>> -----Original Message----- >>> From: caut-bounces at ptg.org [mailto:caut-bounces at ptg.org]On Behalf Of >>> Fred Sturm >>> Sent: Tuesday, June 06, 2006 9:36 AM >>> To: College and University Technicians >>> Subject: [CAUT] Undercover - hooks and grommets >>> >>> >>> Hi all, >>> Here are some pictures, as promised earlier, of my method of >>> attaching an undercover, using hooks and grommets. It's the first >>> such installation I ever did, and is an "under the beams" >>> installation (before the new tanks which fit between beams), and >>> with >>> 48" (50w) rod (extends beyond the fabric - a neater job can be had >>> with 38w, less wrinkling of fabric). Took me less than an hour to >>> install, and really doesn't look too bad. I am better at it now, and >>> can make a neater job of it for a fancy living room. This is in a >>> faculty studio, and not at all in view. I was experimenting, and the >>> grommets were added after a trial with tape, staples, and a hole. I >>> find now that, with grommet squeezing pliers, I can just use the >>> grommet to hold the fabric (create the "hem" and attach to the >>> hook), >>> and don't need the reinforcement of tape. The grommets in the >>> picture >>> were applied using a hammer, with punch and shaped anvil. The >>> results >>> were not very consistent, and it was much more time-consuming than >>> pliers. $15 for the pliers was well worth the expense. >>> Besides ease of installation. what I like about this system is ease >>> of removal and replacement. Literally seconds to get it out of the >>> way to service the tank and pads, and seconds to replace it. The >>> observant among you might notice the tell-tale signs of over-filling >>> the tank. I listen to the fill noise more carefully now. I manage to >>> get two weeks between filling by maxing almost to the top of the >>> tank. >>> If anyone has questions, I'll do my best to answer, or perhaps take >>> some different pictures. This was a hard set up for photography, as >>> it is rather cramped (two B's next to each other), but it's the only >>> undercover I have ready access to. The others I have installed are >>> in >>> private clients' homes. >>> Regards, >>> Fred Sturm >>> University of New Mexico >>> fssturm at unm.edu >>> >> > >
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