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| Rattle woes http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=29395 |
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| Author: | Chris Ensor [ Fri Oct 08, 2010 1:02 pm ] |
| Post subject: | Rattle woes |
I just finished carving the neck on my most recent build. While everything seemed to be in order, I noticed that if you tap on the neck you can hear some rattle in the truss rod. It can only be heard when tapped, not shaken (or stirred). Any advice as to how to cure the rattles? Once I tighten the truss rod a little, will the rattle go away? ( I should probably just try that second one.....) |
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| Author: | SimonF [ Fri Oct 08, 2010 1:28 pm ] |
| Post subject: | Re: Rattle woes |
Hi Chris, If you are using the LMI of Allied Lutherie dual-action rod then you really should install a filler strip on top of the rod. I have given a great deal of thought to building a strong neck. In the end, I think the best solution is Allied Lutherie's dual action rod (it features micro-adjustability) and a couple carbon fiber beams. Best of Luck, Simon |
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| Author: | Pat Foster [ Fri Oct 08, 2010 1:32 pm ] |
| Post subject: | Re: Rattle woes |
Once it's strung up, deflection from string tension might take care of it. If not, crank on the truss rod it a bit, but not enough to get your neck relief out of range. Pat |
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| Author: | Chris Ensor [ Fri Oct 08, 2010 1:49 pm ] |
| Post subject: | Re: Rattle woes |
Thanks guys. I guess I should clarify that I am using the SM hotrod truss rod. |
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| Author: | the Padma [ Fri Oct 08, 2010 2:39 pm ] |
| Post subject: | Re: Rattle woes |
Truss rod rattle eh. Well me heard of this dude who had a rattle in his truss rod. Tried every thing. Finally he popped the inlay at the 7th, drilled a small hole down to the rod and poured in some hot liquid honey. Then stuck it in the freezer for an hour or so for the honey to solidify. Me hear tell it stopped the rattle real good and him ended up with the sweetest neck you could ever imagine.  blessings  Padma
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| Author: | Parser [ Fri Oct 08, 2010 5:50 pm ] |
| Post subject: | Re: Rattle woes |
LOL Padma....that's good stuff...and would probably work... It's probably obvious...but if the TR doesn't seem to be working correctly, then you'll need to replace it. |
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| Author: | Terence Kennedy [ Fri Oct 08, 2010 6:36 pm ] |
| Post subject: | Re: Rattle woes |
I'd wait till it's strung up and if snugging up the rod does not fix it, doing what the Padma says will work. I've used rubber cement but I don't see why honey wouldn't be similar. Somewhere floating around the web is mark Blanchard's shim technique which will nip the problem in the bud during neck construction. |
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| Author: | Alain Moisan [ Fri Oct 08, 2010 9:51 pm ] |
| Post subject: | Re: Rattle woes |
Chris Ensor wrote: I just finished carving the neck on my most recent build. While everything seemed to be in order, I noticed that if you tap on the neck you can hear some rattle in the truss rod. It can only be heard when tapped, not shaken (or stirred). Any advice as to how to cure the rattles? Once I tighten the truss rod a little, will the rattle go away? ( I should probably just try that second one.....) Hi Chris, That happens to me all the time. Just tighten the rod very slightly and you will be all set. |
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| Author: | Chris Ensor [ Sat Oct 09, 2010 5:14 pm ] |
| Post subject: | Re: Rattle woes |
Thanks for all the help. Padma, I think I am more inclined to use molasses. But maybe that's just my pallet.
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| Author: | the Padma [ Sat Oct 09, 2010 5:27 pm ] |
| Post subject: | Re: Rattle woes |
Chris Ensor wrote: Thanks for all the help. Padma, I think I am more inclined to use molasses. But maybe that's just my pallet. Molasses are good. Me use it to make me rye bread with. But it just don't get nice and hard and hold that truss rod from rattlen like cold honey. blessings |
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| Author: | Terence Kennedy [ Sat Oct 09, 2010 6:56 pm ] |
| Post subject: | Re: Rattle woes |
I actually had one early one that had the LMI TRSD that continued to rattle intermittently and snugging it up did not completely cure it. It'd be better for a while and then come back. That's the one I injected with rubber cement and that worked. I went from caulk to wax from a toilet sealing ring to the wedge technique Mark Blanchard described. They all worked. |
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| Author: | the Padma [ Sat Oct 09, 2010 7:36 pm ] |
| Post subject: | Re: Rattle woes |
There you go Chris, A whole bunch of techniques and they all work. Bottom line in building is "If it gets the pig clean ~ use it!" blessings Padma
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| Author: | woody b [ Sun Oct 10, 2010 8:22 am ] |
| Post subject: | Re: Rattle woes |
I had one guitar with a truss rod rattle. It was my first 2 way adjustable rod. The rattle went away when strung up under tension, but would sometimes come back, either when using dropped tunings, or when the humidity was too low. I finally removed a dot marker and injected it with rubber cement. I considered going back to a compression rod, but I've used a filler strip since then(per SimonF) with no rattles. I strongly recommend not letting the guitar "out" with the potential of a rattle. |
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