I recently (within 2 years) plugged part of an odd Weber grand where the pinblock was in 2 parts. The bottom layer was one solid piece of maple, mitred into the case. This I plugged with falconwood plugs; 3/8" only would fit. The top layer, fit to the plate, I replaced with falconwood. Drilled for 2/0 pins. The result is only OK. Just enough torque and is fairly stable. Though I installed a Climate Control unit, the building has radiant and passive solar heat, so it is difficult to judge my results. Were I to do it again I would modify the case and replace both parts of the block. The difficulty was compounded by fitting the plate/block to the mitred base blindly - very tricky and time consuming. I realize the first time for anything is slow. This has been a valuable thread, thanks for raising the question. Nancy Salmon RPT Frostburg State Univ., Maryland On Fri, May 1, 2009 at 11:47 AM, Mark Cramer <cramer at brandonu.ca> wrote: > Interesting thought Marcel, it never donned on me I might be creating a > glue-starved joint with aliphatic resin glue. When I use this stuff my > practice is to coat both surfaces and let it sit for a minute before > assembling, for that very reason. > > > > All the same, does it strike you odd that I haven’t had *dozens *of > technicians reply to say “we’ve had nothing but success with pin-block > plugs” especially technicians from the era when plugging rather than > replacing blocks was the fad. (?) > > > > BTW, I think you’re right, a bench experiment would probably solve the > mystery in a hurry. > > > > Best regards, > > Mark Cramer, RPT > > Brandon University > ------------------------------ > > *From:* caut-bounces at ptg.org [mailto:caut-bounces at ptg.org] *On Behalf Of *Marcel > Carey > *Sent:* April 30, 2009 7:04 PM > *To:* caut at ptg.org > *Subject:* Re: [CAUT] pin-block plugging? > > > > Hi Mark, > > >From your description, I think you might be drilling too SMALL for the > plug. There has to be a gap. You might just be pushing all the glue out of > the hole and then when you repin the whole plug might turn. Of course after > putting in bigger pins the plug eventually sticks there. I've seen it done > at Steinway factory for a pin that was too loose to start with. If it has > worked for them, it has to work for you too. Maybe you could experiment in > an old piece of block until you find the right combination. > > Marcel Carey > Sherbrooke > > > ------------------------------ > > Date: Thu, 30 Apr 2009 11:12:26 -0500 > From: cramer at brandonu.ca > To: caut at ptg.org > Subject: [CAUT] pin-block plugging? > > Now and then I run into a situation where plugging a tuning-pin hole and > re-drilling seems like the only option. IOW, neither an over-sized pin, CA > glue nor an emery paper shim will work. > > > > I’ve tackled this fairly carefully, even using a small portable drill press > clamped to the keybed to get a precise hole, but I never seem to get a good > result: > > > > I’ve used plugs from both economy blocks and Bolduc blocks. The plugs are a > tight fit to the wood, and really have to be driven home. I’ve used > carpenter’s glue. > > > > Nonetheless, the results always seem to end up the same. I bore for a 1/0 > pin, then end up installing a 2/0, then up-sizing to a 3/0, and often a > 4/0!? > > > > Anyone have success with this? > > > > Over the years some of you must’ve plugged and re-bored entire pin-blocks. > What’s your secret? > > > > Thanks, > > Mark Cramer, RPT > > Brandon University > > > > > > > > > > > ------------------------------ > > Windows Live Messenger vous permet de rester en contact plus facilement- apprenez > comment! <http://go.microsoft.com/?linkid=9650737> > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://ptg.org/pipermail/caut_ptg.org/attachments/20090502/b58a10d0/attachment.html>
This PTG archive page provided courtesy of Moy Piano Service, LLC