Cyano-epoxy, sold by Jim Coleman, Jr. as Tech-bond. Works similar to CA; takes a little longer to set, stronger, sticks to anything, even bonds Teflon with proper technique. Also seems to have a longer shelf life than CA. Ed Sutton -----Original Message----- >From: David Ilvedson <ilvey at sbcglobal.net> >Sent: Mar 21, 2006 11:06 AM >To: ed440 at mindspring.com, pianotech at ptg.org >Subject: RE: CA delivery apparatus > >Alright, what the heck is CE? > >David Ilvedson, RPT >Pacifica, California > > > >----- Original message ---------------------------------------- >From: ed440 at mindspring.com >To: "Jeannie Grassi" <jcgrassi at earthlink.net>, "Pianotech List" <pianotech at ptg.org> >Received: 3/20/2006 7:24:02 AM >Subject: RE: CA delivery apparatus > > >>Hello Jeannie, > >>The needle and hypo were given to me by a doctor in 1992 or 1993. I take care of my >>tools, but any identifying numbers are worn off. The doctor died about four years ago, >>so I can't ask him. > >>The needle is 5/8" long and .02" outer diameter. I unscrewed the needle. It has a blue >>plastic flange or sleeve that slips over the hypo tip, just under 3/16" inner diameter, >>smooth on the inside. > >>I grabbed a bottle of Loctite Super Glue (not my usual, but it was in front of me). It's the >>water thin stuff I would use on loose tuning pins. The tip of the bottle ends in a step >>down to a 3/16" nib that said "yes!" I snapped on the needle and made little sample >>drops. > >>The drops were small enough that they would enable very discrete CAing of tuning or >>bridge pins. The "afterdrop" was very tiny and did not drip from the needle tip. Unlike >>the nylon tip, it didn't take much pressure to make the drop, so I hope this method will >>be less thumb cramping than the nylon tip, which in addition to being sloppy is also a >>pain in the thumb. > >>I usually use Hot Stuff CA, and have a large supply of old caps which have been cut >>short when they clogged. Trimming down a bit lower seems to give a good fit on my >>one and only needle. > >>This morning I called a pharmacy and found that needles can be purchased over the >>counter in North Carolina. When I finish my "A" tasks for the week, I'll go see what's >>available, and maybe can write you a prescription. > >>The needle would fit perfectly on a Tech-bond CE bottle tip, but might clog because >>Tech-bond is somewhat thicker. I will try that when I have more needles. I find CE is >>stronger than CA, and am using it fairly often. > >>I am yet to try this on a piano in the field, so it is just a preliminary report of a first test. > >>Best wishes, >>Ed > > >>-----Original Message----- >>>From: Jeannie Grassi <jcgrassi at earthlink.net> >>>Sent: Mar 20, 2006 2:18 PM >>>To: ed440 at mindspring.com, 'Pianotech List' <pianotech at ptg.org> >>>Subject: RE: CA delivery apparatus >>> >>>Hi Ed, >>>What do you mean you "just snapped a thin hypodermic needle onto the tip of >>>a 1 ounce bottle of thin CA." ??? How did you do that? Hypodermic needles >>>come in all sorts of thicknesses.....what are you calling "thin"? I appear >>>to be stuck on this concept. (Pun intended!) Seriously....could you please >>>elaborate? >>>jeannie >>> >>> >>>Jeannie Grassi, RPT >>>Registered Piano Technician >>>Island Piano Service >>>Bainbridge Island, WA >>>206-842-3721 >>>mailto:jcgrassi at earthlink.net >>> >>> >>>-----Original Message----- >>>From: pianotech-bounces at ptg.org [mailto:pianotech-bounces at ptg.org] On Behalf >>>Of ed440 at mindspring.com >>>Sent: Sunday, March 19, 2006 5:29 PM >>>To: Pianotech List >>>Subject: Re: CA delivery apparatus >>> >>>Jon- >>> >>>I just snapped a thin hypodermic needle onto the tip of a 1 ounce bottle of >>>thin CA. >>> >>>I was able to get fairly small drops, one at a time without the dribble that >>>happens with the thin nylon tip extenders. The drops were small enough to >>>do a discrete tuning pin job as you described. >>> >>>To clean it, I filled the syringe body with acetone and squirted it through. >>>If I had a good supply of needles, I would just toss it after use. >>> >>>Ed Sutton >>> >>>-----Original Message----- >>>>From: Jon Page <jonpage at comcast.net> >>>>Sent: Mar 19, 2006 7:04 AM >>>>To: pianotech at ptg.org >>>>Subject: CA delivery apparatus >>>> >>>>I've been mulling over means to apply CA to bridge pins >>>>and not risk flooding an area. >>>> >>>>The elongated tip on the bottle doesn't offer enough control. >>>> >>>>Once I tried a hypodermic needle and the plunger kept getting >>>>hung up (glued to the sides). If one were to lube the ways >>>>would the glue dissolve it anyway placing the lube in suspension? >>>>Does the plunger offer fine enough control? Is there an appliance >>>>with a screw drive whereby the plunger would be activated by >>>>finely controlled pressure? >>>> >>>>Another device might be a drafting pen (old fashioned variety). >>>>This might be the item because it can't dump excess by mistake. >>>>I hate it when that happens. >>>> >>>>An artist's fluid-writing pen might clog too easily. However there >>>>might be an application for a Speedball tip. (I've done calligraphy >>>>in the distant past, which comes in handy when lettering plates - >>>>fluid-writing pen and waterbased acrylic medium). >>>> >>>>An artist's brush will solidify and have too much area for pin-point >>>>application. I've used this before and was not satisfied. >>>>Two or three fine wires bundled together might work, >>>>sort of like a mini-pen/steel brush. >>>> >>>>Maybe the Moody Drip-o-lator? (check the archive, it's in there) >>>> >>>>Any sure-fire delivery system out there? Brainstorming welcome. >>>> >>>>I'll be suppressing the false beats on a treble bridge tomorrow. >>>>So far I'm leaning towards the drafting pen but will also experiment >>>>with a greased-up hypo. An old-style drafting pen might be easier >>>>cleaning than a Speedball tip. >>>>-- >>>> >>>>Regards, >>>> >>>>Jon Page >>>>_______________________________________________ >>>>Pianotech list info: https://www.moypiano.com/resources/#archives >>> >>> >>>
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