Carl, I hate to tell you this but........Sound carries better underwater. :-) [grin] Regards, Joe Garrett ----- Original Message ----- From: "Carl Meyer" <cmpiano@home.com> To: <pianotech@ptg.org> Sent: Sunday, May 13, 2001 5:36 PM Subject: Re: Air Hammer > Jeannie!!! > > Your post piqued my curiosity. > > I bought one of the danair tools recently. Boy that was an impulse > purchase if I ever made one. As I mentioned in an earlier post, they are > available cheaper elsewhere and also different brands, too. That and the > fact that I have no immediate plans to drive any pins makes that a classic > example of an impulse purchase. > > I just went out and looked at my prize purchase (at full price, I might add) > and as I mentioned I drive the pins in before stringing. You recall that I > use a 3/8 bolt with a 1/3/4 long shaft coupler and lock nut with a 1/8 > piece of rubber to drive the pins in to an adjustable depth. Now I think > that if you do this with reasonable accuracy and you string with three > turns there will be no need to readjust the height of the pins unless you > have not chosen the correct depth. I would think that if the torque is > acceptable and the height of the pins are even, no further work is required. > > The tool has approx. 1/2 inch stroke max and the sleeve surrounding the > driving piston is spring loaded extending > approx 3/8 inch beyond the max stroke of the piston. As the sleeve contacts > a surface it retracts so that a nail etc may be driven approx 1/8 inch below > the surface. The diameter of the driving piston will of course determine > the > damage or detent of the surface. > > I bought the RN16-16 and so I cut off the head of my 3/8 bolt to fit and > then it mushroomed. In retrospect I wish I'd ordered the RN16-75 or 78 so > that I could have just left the head on the bolt and minimized the > mushrooming effect. I'll call them to see if I can get those extra fittings > instead of having to change the tool itself. I'm sure they will be > expensive, too. > > The brochure by Danair says it is great for underwater nailing. Perhaps you > could submerge your piano in a swimming pool and drive the pins there. > Wouldn't even have to wear earplugs. > > Happy pin driving!!!! > > Carl Meyer > > ----- Original Message ----- > From: "Jeannie Grassi" <jgrassi@silverlink.net> > To: <pianotech@ptg.org> > Sent: Sunday, May 13, 2001 2:52 PM > Subject: RE: Air Hammer > > > > Hi Tom, > > Thanks for responding. Your original post mentioned a blueprint, but you > > didn't say what was wrong with the original tips and why they can't be > used > > as-is. I'm so glad you explained about the difference between installing > > with the coil on the pin or not. I put the pins in first without coils, > as > > I think Terry mentioned he does it, so I wouldn't run into a problem until > > later when I wished to even out the height with the coils now on the pins. > > Oops! How much of a difference are we talking about here? Can I simply > > grind the tip down myself? Thanks for sticking with us on this. > > > > jeannie > > > > -----Original Message----- > > From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]On Behalf > > Of Tom Servinsky > > Sent: Saturday, May 12, 2001 6:57 PM > > To: pianotech@ptg.org > > Subject: Re: Air Hammer > > > > > > Jeannie, > > The blueprint, I'm sure is not that necessary, as any one with shop > > experience can figure this out. It's not rocket science..granted. > > However, my schedule is hectic as it is and I'm finding less and less time > > to set aside to fabricate this item. I was planning on going to one of my > > favorite machinists and have him configure it properly. I would like the > > tip to work perfect without having to fuss to much. > > As my Score adviser lectured me on....concentrate on the things to you do > > well and find others to fill in the gaps where you are weaker. I'm not a > > great fabricator, thus finding the perfect blueprint and handing it over > to > > a good machinist makes perfectly good sense ( and cents) to me. > > Tom Servinsky, RPT > > ----- Original Message ----- > > From: "Jeannie Grassi" <jgrassi@silverlink.net> > > To: <pianotech@ptg.org> > > Sent: Saturday, May 12, 2001 11:25 AM > > Subject: RE: Air Hammer > > > > > > > Tom, > > > I was just about ready to order one. My question a few days ago to > Terry > > > was with regard to the tip. Now, if I have this nice blueprint, what am > I > > > to do with it? (Be kind, folks...) Are you suggesting having something > > > made up from this blueprint? And how much will this little item cost me > > in > > > addition to an already fairly pricey tool? Just trying to budget for a > > > change. > > > > > > jeannie > > > > > > -----Original Message----- > > > From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]On Behalf > > > Of Tom Servinsky > > > Sent: Saturday, May 12, 2001 7:39 AM > > > To: pianotech@ptg.org > > > Subject: Re: Air Hammer > > > > > > > > > LIST, > > > I just spoke with Denair technicians with regards to the Palm Nailer > tip. > > > They are providing a blueprint drawing of the attachment made for > Baldwin > > > Co. at no charge. At one time they produced the correct head for > Baldwin > > > and eventually stopped producing the part. They basically said they > have > > > considered producing it again, especially now that their product has > > gotten > > > so much attention from the rebuilders, but rather they would send out > the > > > drawing or maybe even publish it on Pianotech. For those in the same > > > position as I ( just bought the nailer and extremely eager to use it) be > > > patient and the drawing will be made public very shortly. They have > > already > > > done all the homework making the perfect head...take advantage of their > R& > > D > > > department. > > > > > > PS...as a customer friendly company, Denair is tops on my list. Their > > tech > > > staff is a joy to deal with. > > > > > > Tom Servinsky,RPT > > > Pianocraft of the Treasure Coast > > > ----- Original Message ----- > > > From: "Jeannie Grassi" <jgrassi@silverlink.net> > > > To: <pianotech@ptg.org> > > > Sent: Friday, May 04, 2001 6:50 PM > > > Subject: RE: Air Hammer > > > > > > > > > > Hi Terry, > > > > What tip, or attachment did you use with your Danair Palm Nailer? > Does > > it > > > > come with something that will fit the tuning pins? > > > > > > > > Thanks, > > > > jeannie > > > > > > > > -----Original Message----- > > > > From: owner-pianotech@ptg.org [mailto:owner-pianotech@ptg.org]On > Behalf > > > > Of Farrell > > > > Sent: Tuesday, May 01, 2001 2:48 PM > > > > To: pianotech@ptg.org > > > > Subject: Air Hammer > > > > > > > > > > > > Just tried out my Danair Palm Nailer #RN-16-8 for the first time > driving > > > > three tuning pins into a pinblock. Holy cow cookies! That thing is > > slicker > > > > than you-know-what! > > > > > > > > Often as I drove a tuning pin by hand (with manual hammer) into a bare > > > > pinblock, I could see the damage I did to the top of the hole as the > pin > > > > wiggled back and forth with each blow (hey, I'm a newbie!). I'm sure > it > > > > continued throughout the driving process. The couple pianos I have > > > restrung, > > > > resulted in acceptable (for me - I had low expectations), but far from > > > > perfectly uniform tuning pin torque. > > > > > > > > The three pins I drove into a bare pinblock resulted in 160 in-lbs. > > torque > > > > for each one. Not 150, not 170, but all three were like exactly 160 > > > in-lbs. > > > > of torque. I had never done that before. Oh, boy, this has made my > day. > > I > > > > can hardly wait until after I finish restringing and start > > > chipping/tuning. > > > > Clearly, I am expecting fabulous results. > > > > > > > > Thank you Del Fandrich and Roger Jolly (and anyone else that > > participated > > > in > > > > that thread - I know there were a few) - I recall that both of you use > > an > > > > air powered hammer, and one of you recommended the Danair > specifically. > > > Man, > > > > you just drive those puppies straight down. I am just absolutely > amazed > > at > > > > what a difference it makes! Fast, easy, and NO tuning pin wiggling. > > > > > > > > What do you use as a guide for tuning pin driving depth control? On my > > > bare > > > > test holes, I used an one-inch-thick piece of hard maple with a > > 5/16-inch > > > > hole drilled in it. I placed the maple guide over the tuning pin hole, > > > > inserted the tuning pin, and drove it with the Palm Nailer until it > > would > > > go > > > > no further. That worked perfect - for a bare block. Now I need to > figure > > > out > > > > what to use when I am driving the pin through the plate into the > block. > > > What > > > > does anyone use? Something hard to physically stop the Palm Nailer > from > > > > going any further - or do you tape a stick or something to the thingee > > > that > > > > goes over the top of the tuning pin and just watch until it touches > the > > > > plate or whatever? > > > > > > > > Can we adapt this thing for bridge pins - or just way too much > > horsepower? > > > > > > > > Terry Farrell > > > > Piano Tuning & Service > > > > Tampa, Florida > > > > mfarrel2@tampabay.rr.com > > > > > > > > > > > > > > > > >
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