On 9/27/07, John Delacour <JD at pianomaker.co.uk> wrote: > > At 21:50 +0100 26/9/07, Richard Brekne wrote: > > >...I myself am a sceptic to CA in this context > > If I had not read hundreds of postings to this list lauding the > effectiveness and harmlessness of superglue, so would I be, but I am > certainly enough persuaded by now to begin using it experimentally, > and not on worn-out old heaps -- simply because such beasts don't get > near my workshop. > > Anything that can obviate the need to use larger pins is surely > desirable. I have just acquired a fine Lipp upright that has had a > few strings untidily replaced, almost certainly due to tuner error > since, like the proverbial Rolls Royce back-axle, "Lipp strings don't > break", and the strings otherwise are good for at least another 50 > years. This piano has agraffes all the way through, so restringing > with a size larger pin would be slightly less troublesome than with a > pressure bar piano. Generally speaking an upright piano is designed > for the original size of pin and many pianos, even from the best > makers, do not take well to the use of a larger pin : the strings > scrape against each other and it is difficult to get the strings to > stay put in their proper position, even with a slight increase in the > size of the wrestpins. > > In spite of the many postings on this topic, I am still a little > unsure of the best way to apply the glue and which variety to use. > Can someone who has used the method seriously and considers himself a > good workman please give a simply account of the procedure. > > JD > > Hi John, I don't differ a great deal from what the others had to say, the only exceptions and they are just my personal preferences are that I always tip the piano down. I first place a tarp on the floor under the piano, I have never had a spill, but it only takes one! I just use the cheap 6X8 vinyl tarps you can buy at the home repair stores. I buy my CA from my local hobby shop, it comes in a sealed bottle, 2oz and 1oz. in several vicosities, I use the very watery one. The hobby shop has tops similar to the oiler tops at a fair price so I have those but I've found if I cut the tapered top open at the smallest point, I don't need them but I have them and occasionaly use one. In grands I remove the action and spread a thick layer of newspaper over the keybed. The only other difference is I prefer to allow it to sit overnight and in winter(I'm in Wisconsin) I make sure there is adequate humidity available for the proper cure of the CA. Open pans of water sitting nearby with a fan blowing across them seems to be sufficient. I find if it sits overnight it is fully cured and I don't have to deal with the strong vapors, that much CA will have your eyes watering without adequete ventilation. I usually schedule the treatment as an end of day appointment with a next day tuning. The tarp is from years ago when we still used pin dope, I hadn't bought a tilter yet. I had laid a Jesse French spinet down using a couple of 2X4 blocks to rest it on. I was treating the entire block and remember thinking how awfully thirsty it was I had refilled the syringe I used for about the 7th or 8th time when I looked to my left and saw a puddle of Pintite forming underneath the back of the piano and spreading outward on the customer's celery green carpet!! I was alone in the house until just that moment when she returned from her grocery shopping, saw the puddle and calmly said " I guess we'll see how good that Stainmaster carpet is"! I stood the piano up, got a tarp out of the truck, came back in and helped her soak up what had leaked out and that carpet saved my bacon! I have since never treated a pinblock with anything without a tarp under it! Mike -- A great many people think they are thinking when they are merely rearranging their prejudices. Michael Magness Magness Piano Service 608-786-4404 www.IFixPianos.com email mike at ifixpianos.com -------------- next part -------------- An HTML attachment was scrubbed... URL: https://www.moypiano.com/ptg/pianotech.php/attachments/20070927/cb28ecc9/attachment.html
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