Cracked bridge

  • Thread starter Thread starter danny.guitar
  • Start date Start date
i don't know anything about when 13's became mediums but i will say that 13's are the heaviest strings i've found on a guitar out of the many guitars i've played and asked about. 13's are labeled as mediums but i'm pretty sure most players would consider them to be heavy.
 
toyL said:
Well, IF you picked up your first guitar at age 15, WAY back in 1989, then can I understand why you believe 13s are mediums. In 1974, however, when I picked up my first guitar, I don't even think anyone was producing 13s. Go figure.


My father (who started our shop) built his first guitar in 1970, and our shop was carrying our first "House Branded" sets of strings by 73 or so. I still have some of the old packages from back then, and guess what - you have no idea what you are talking about. Lights have always been 12s, mediums have always been 13s. I got my first guitar, by the way, when I was about 8, but I started playing my parents guitars by the time I was about 6. I've been using the same strings pretty much my whole life (D'Addario lights, .012-.053), and they have never changed. Dad has been using the same thing on his guitars for as long as he has been building (D'Addario Mediums, .013-.056), and THEY have never changed.

Really dude, it is time for you to shut up - your just embarrassing yourself.



Light

"Cowards can never be moral."
M.K. Gandhi
 
TravisinFlorida said:
i don't know anything about when 13's became mediums but i will say that 13's are the heaviest strings i've found on a guitar out of the many guitars i've played and asked about. 13's are labeled as mediums but i'm pretty sure most players would consider them to be heavy.


Most companies MAKE heavies, but they should never be used at standard pitch. They are intended for people who like to tune down a bunch. (I have to admit to stringing one of my guitars up with heavies once - it sounded amazing - but within a week of doing so the braces were showing through the top and I changed it back to mediums.


Light

"Cowards can never be moral."
M.K. Gandhi
 
are any factory made guitars built to handle heavy strings?
 
Light's got his boxing gloves off, and you know what that means - time to wrap up this thread! In the time spent putting you straight, he could have built/sold a couple of guitars.

If the bridge/top junction isn't damaged, wouldn't the old superglue, squeeze and hold technique do the trick? (And, of course, get the bridge seated again correctly.)
 
robin watson said:
If the bridge/top junction isn't damaged, wouldn't the old superglue, squeeze and hold technique do the trick? (And, of course, get the bridge seated again correctly.)
Not really, at least not with super glue. I gave a very basic decscription of the fix earlier in the thread.
 
Light said:
Yes, you are clueless, because while the problem was caused BY SOMETHING ELSE ENTIRELY. What part of a badly fitting saddle do you not understand here? Or is the part where the saddle did not sit deep enough in the bridge to support the tension? Either of these things have nothing to do with the guitar, and EVERYTHING to do with a bad repair.
You say that "...the problem was caused BY SOMETHING ELSE ENTIRELY." Yet, you can't possibly tell from the photos provided that the saddle wasn't set low enough. Afterall, danny.guitar says it played fine for some time.


.........
Light said:
And of course, that is just talking about high end guitars. Most cheap guitars these days are made with bolt-on necks, including Fender, Washburn, Yamaha, lower end Alverez, etc.
The bolt-on neck of which you speak is NOT the same bolt-into-place modification of which I speak.


Light said:
How old of a Washburn? If it is within the last few years it probably CAME with a bolt on neck. If it is an older one, then you spent WAY to much money on a bad repair, on a guitar which should have just gone in the trash anyway. You will certainly never get your money out of it.
The Washburn was made in the late 80s, and I've never had it "repaired". I simply had the neck bolted into place by a guy who currently has over 50 yrs of experience in building/repairing/customizing violins, cellos, basses, guitars, mandolins, dulcimers, etc. You say that I--"...will certainly never get 'my' money out it." Agreed, and WE all know that $ doesn't grow on trees--except for the trees that were harvested for the wood used to build the thing to begin with.



Originally Posted by toyL:
BTW--I'm very selective/careful about string-sizes--if I go "heavy" on 2 or 3, I go a bit lighter on 2 or 3 of the others.
Light said:
Good for you, but it doesn't change the fact that you have no idea what you are talking about. In fact, it is quite reasonable to believe that you are doing something very bad for your neck by not using a balanced set of strings. If you look at the tension at pitch of standard sets of strings, each string is at very close to the same tension. That is how string companies design their basic gauges, and while I'm not sure it matters much, there is reason to believe that not using a balanced set can cause a neck to warp.

Alternate tunings and the use of "larger" strings by a couple thousandths more or less, here or there, is the whole reason for the mod to begin with. I've been taking my instruments to the same guy for the past 30-some yrs. He'll be 76 yrs old soon, and the only "complaint" I've ever had with him is that he consistently underestimates how long it'll take for me to get my instrument back. As for his bolt-into-place neck-mod for acoustic guitars, he just "grins" and says--we never see the guitar again after it leaves his shop...but, I "have no idea what" I'm alking about...so, nevermind.




Originally Posted by toyL:
I'd love to hear you explain exactly what the "major problem" is with "OVER-BUILT"--"inexpensive guitars". Could it possibly have anything to do with the materials used, design, or workmanship?

Light said:
The problem with an over-built guitar? I'd think that would be obvious - they sound like shit. The top can't move enough, or at enough frequencies, to provide a decent sounding guitar. Does anyone with an IQ in the triple digits need that explained? Hell, for that matter, I'm not sure that you even need to get very high into the double digits to get that one. Sure, it is very possible to go too light, but that is rarely an issue in mass produced guitars.
Sorry, you lost me here. I don't understand what IQ has to do with guitars that "sound like shit". The ability to perceive a sharp from a flat note, staccato from vibrato, is hardly dependent upon one's "IQ".


Originally Posted by toyL:
"Yes, I understand what light, medium, and heavy mean "today". However, when I first picked up a guitar 30-some years ago, lights were .008...you get the picture?...and there's plenty of great sounding stuff out there that was performed and recorded when the both of us were barely out of our diapers."
Light said:
No, they weren't. I've got string packages in my shop from back when we had a shop brand of strings (made for us by D'Addario, but with our own packaging) which are older than that, and the gauge of strings from the major manufacturers hasn't changed since our shop opened - 36 years ago, this year - Extra-lights have always been .010s, lights have always been .011s, and mediums have always been .013s.
You say--..."we had a shop brand...", but YOU weren't even born yet. That's OK, though, because I don't expect you to REMEMBER anything that occurred before you were born.


Light said:
People have moved to LIGHTER strings over the years, seeing as how they can now amplify their instruments, and no longer need to make their guitar so loud (the tendency of players in the 30's-50's is what lead Martin to shift the X brace back and stop scalloping the braces on their guitars in the 40's and 50's - they were spending too much money on warranty work from all the Bluegrass guys using .014 heavies on their D28's so they could be heard along side the banjos).
So, the difference between a set of .014 "heavies" from 1930 and a set .013 "mediums" from 2007 is .001"?...what can you tell us about the sizes of the other 5 strings in these so-called "balanced sets?


Light said:
Back in the seventies, we sold more mediums than anything.
According to your profile you were born in 74'. So, I guess you sold your first set of strings when you were how old?--age 4 or 5 maybe?


Light said:
These days, we sell lights 10-1 over everything else on the wall.
..."lights", extra-lights, ultra-lights, mean nothing to me.

Light said:
Back in the sixties, Eric Clapton had to steal strings from a banjo set to get a .010 for his ELECTRIC, and acoustics have always used heavier strings than electrics. In point of fact, I would not be at all surprised if I were to find out that no one even MADE an .008 back then. Seriously dude, given your complete lack of memory, you should probably have gone a little lighter on the Mary Jane back in the day.
So, Clapton sought out a .010 because he ran out of .011s?...or, because his .008s and .009s didn't quite have enough sustain?...Well, I'm glad you and EC have got it all figured out...BTW--clean the gunk and rust off a .009 and you'll have your very own "hand-made" .008...my advice for this procedure would be to use a bit of "tung-oil", because it will also protect and preserve the natural hardness of your fretboard--without adding any unnatural looking glossyness or shine if you are especially careful of how and with what you cut the tung-oil. Of course, you undoubtedly already know all of this, so I'm just rambling at this point. For those of you who are unfamiliar with "tung-oil", have a look see at a product called "Blitz"--normally found at your local Army/Navy surplus store.


Originally Posted by toyL:
"--apparently the owner of this guitar has some doubt."
Light said:
Actually, I don't think he has any doubt at all, he knows his guitar is not particularly valuable, and probably not worth the work it needs.
Well, the dude did ASK--"What do you think caused this? Will I need a new bridge? If I do, what's a rough estimate of how much that'd cost? Or if it can just be repaired how much would that probably cost? Just curious about how much I should expect to pay to have this fixed."
toyL here: Generally speaking, these questions would seem to indicate "some doubt". Ya' know, maybe danny.guitar really LIKES this Cort of his. Maybe his inquiry has nothing to do with whether or not the guitar is "particularly valuable"--as you have said.


Light said:
The real point here is that they should have done a better job of fixing it in the first place, and not having done so they should fix their own mistakes; pretty standard customer service stuff in MY business plan, though not in most of America, apparently.
...or, maybe the "real point" is that 13s will wreck an inexpensive (so-called "factory-made") guitar.



Light said:
You know, "factory" isn't even jargon, so what don't you understand? A factory guitar is made in a factory setting, such as all of the inexpensive guitars on the market, but also Martin, Taylor, Gibson, etc. This is as compared to what Muttley and I do, which is small shop builders doing most or all of the work themselves. "Factory" versus "hand-made" is what we are talking about.
Design, materials, and workmanship (i.e. quality control) are what matters the most. Call it a "factory", call it "hand-made", the difference can be minute.




Originally Posted by toyL:
"Do you really think that banging on 13s "everyday" is somehow less stressful on the neck than simply loosening the strings and letting it sit?"
Light said:
Less stressful? No, but if you are playing it everyday you are also (unless you are really dense) looking at it everyday, which means that if a small issue comes up you can do something about it before it becomes a major problem; you can't do that if you have it in storage. Also, when guitars are put up for storage, the climate control tends to be less consistent, so you can have issues from that, and constantly tuning and detuning your strings will cause a lot of unnecessary fatigue on the strings, causing them to wear out much faster than they need to. More to the point, guitars are meant to be played - it's good for them. Your gonna spend a lot more time playing it if you don't have to re-tune it every time you pick it up. Mostly, though, you have completely missed my point, which is that having it strung up with mediums (if it is properly setup) ISN'T GOING TO CAUSE DAMAGE.
Light
A cracked-up bridge isn't exactly a "small issue".

Light said:
...strung up with mediums (if it is properly setup) ISN'T GOING TO CAUSE DAMAGE.
Light
OK, what did cause the damage?
 
Lot of piss being thrown around in here....I think I just caught some in the face! Thansk guys :(
 
toyL said:
Well, IF you picked up your first guitar at age 15, WAY back in 1989, then can I understand why you believe 13s are mediums. In 1974, however, when I picked up my first guitar, I don't even think anyone was producing 13s. Go figure.
Absolute and total rubbish. I really don't like running people down but you are talking through your arse.

In the 50's and 60's 13 and 14 gauge strings were all you could get in most cases. I picked up my first acoustic in 69 and 13's were standard as mediums then as they are now. Please either research what you are posting or just don't post.
 
toyL said:
You say that "...the problem was caused BY SOMETHING ELSE ENTIRELY." Yet, you can't possibly tell from the photos provided that the saddle wasn't set low enough. Afterall, danny.guitar says it played fine for some time.


.........
The bolt-on neck of which you speak is NOT the same bolt-into-place modification of which I speak.


The Washburn was made in the late 80s, and I've never had it "repaired". I simply had the neck bolted into place by a guy who currently has over 50 yrs of experience in building/repairing/customizing violins, cellos, basses, guitars, mandolins, dulcimers, etc. You say that I--"...will certainly never get 'my' money out it." Agreed, and WE all know that $ doesn't grow on trees--except for the trees that were harvested for the wood used to build the thing to begin with.



Originally Posted by toyL:
BTW--I'm very selective/careful about string-sizes--if I go "heavy" on 2 or 3, I go a bit lighter on 2 or 3 of the others.


Alternate tunings and the use of "larger" strings by a couple thousandths more or less, here or there, is the whole reason for the mod to begin with. I've been taking my instruments to the same guy for the past 30-some yrs. He'll be 76 yrs old soon, and the only "complaint" I've ever had with him is that he consistently underestimates how long it'll take for me to get my instrument back. As for his bolt-into-place neck-mod for acoustic guitars, he just "grins" and says--we never see the guitar again after it leaves his shop...but, I "have no idea what" I'm alking about...so, nevermind.




Originally Posted by toyL:
I'd love to hear you explain exactly what the "major problem" is with "OVER-BUILT"--"inexpensive guitars". Could it possibly have anything to do with the materials used, design, or workmanship?

Sorry, you lost me here. I don't understand what IQ has to do with guitars that "sound like shit". The ability to perceive a sharp from a flat note, staccato from vibrato, is hardly dependent upon one's "IQ".


Originally Posted by toyL:
"Yes, I understand what light, medium, and heavy mean "today". However, when I first picked up a guitar 30-some years ago, lights were .008...you get the picture?...and there's plenty of great sounding stuff out there that was performed and recorded when the both of us were barely out of our diapers."
You say--..."we had a shop brand...", but YOU weren't even born yet. That's OK, though, because I don't expect you to REMEMBER anything that occurred before you were born.


So, the difference between a set of .014 "heavies" from 1930 and a set .013 "mediums" from 2007 is .001"?...what can you tell us about the sizes of the other 5 strings in these so-called "balanced sets?


According to your profile you were born in 74'. So, I guess you sold your first set of strings when you were how old?--age 4 or 5 maybe?



..."lights", extra-lights, ultra-lights, mean nothing to me.

So, Clapton sought out a .010 because he ran out of .011s?...or, because his .008s and .009s didn't quite have enough sustain?...Well, I'm glad you and EC have got it all figured out...BTW--clean the gunk and rust off a .009 and you'll have your very own "hand-made" .008...my advice for this procedure would be to use a bit of "tung-oil", because it will also protect and preserve the natural hardness of your fretboard--without adding any unnatural looking glossyness or shine if you are especially careful of how and with what you cut the tung-oil. Of course, you undoubtedly already know all of this, so I'm just rambling at this point. For those of you who are unfamiliar with "tung-oil", have a look see at a product called "Blitz"--normally found at your local Army/Navy surplus store.


Originally Posted by toyL:
"--apparently the owner of this guitar has some doubt."
Well, the dude did ASK--"What do you think caused this? Will I need a new bridge? If I do, what's a rough estimate of how much that'd cost? Or if it can just be repaired how much would that probably cost? Just curious about how much I should expect to pay to have this fixed."
toyL here: Generally speaking, these questions would seem to indicate "some doubt". Ya' know, maybe danny.guitar really LIKES this Cort of his. Maybe his inquiry has nothing to do with whether or not the guitar is "particularly valuable"--as you have said.


...or, maybe the "real point" is that 13s will wreck an inexpensive (so-called "factory-made") guitar.



Design, materials, and workmanship (i.e. quality control) are what matters the most. Call it a "factory", call it "hand-made", the difference can be minute.




Originally Posted by toyL:
"Do you really think that banging on 13s "everyday" is somehow less stressful on the neck than simply loosening the strings and letting it sit?"

A cracked-up bridge isn't exactly a "small issue".

OK, what did cause the damage?
Dude you are so full of it I can smell it from here and I'm over the Atlantic thousands of miles away :D

Please don't take this the wrong way but when your in a hole its best to s top digging.;)
 
TelePaul said:
Lot of piss being thrown around in here....I think I just caught some in the face! Thansk guys :(
Your OK mate. Anyone one beats up on your and I'll be there with yer.
 
Light said:
Most companies MAKE heavies, but they should never be used at standard pitch. They are intended for people who like to tune down a bunch. (I have to admit to stringing one of my guitars up with heavies once - it sounded amazing - but within a week of doing so the braces were showing through the top and I changed it back to mediums.


Light

"Cowards can never be moral."
M.K. Gandhi
I have used and still do use 14's on some of my Archtops. They really work well either ribboms or round. For guys that play that old stle Freddie Green thing 4 to the bar they wouldn't use anything else. No need to put them on a flat top as the gain is less than the trade off in build integrity. IMO
 
TravisinFlorida said:
are any factory made guitars built to handle heavy strings?
Some will but it does become more of a judgment call. Longer scale length and big braces will help but you really will not notice much difference between them and 12 or 13's
 
toyL said:
You say that "...the problem was caused BY SOMETHING ELSE ENTIRELY." Yet, you can't possibly tell from the photos provided that the saddle wasn't set low enough. Afterall, danny.guitar says it played fine for some time.

.........

A cracked-up bridge isn't exactly a "small issue".

OK, what did cause the damage?

if i may...

danny.guitar said:
I recently had the action raised and the person put a couple small shims in there. I've changed strings a couple times since then with no problems.

i'd say the shims combined with the heavier strings caused the problem.

it seems that the bridge saddle not being seated at the bottom of the bridge plate where it could really 'grab' at the corners where the bottom meets the sides and the added leverage caused the cracking to start at the top where the stress was the greatest.

the shims didn't just raise the saddle but also effectively raised the bottom of the groove in the bridge plate reducing the surface area holding the saddle in place and the overall strength of the bridge plate.

personally i'd never shim the saddle of an acoustic guitar to raise the action but instead get a new, higher saddle and file it down to where i want it or get another saddle the same size and use a piece of it to attache to the bottom of the old one with pins and glue to create a strong mechanical bond and make it one piece. the shims raised it but didn't hold it in place because the bottom of the saddle was allowed to freely on the shims.

my $0.02.
 
castlerock said:
if i may...



i'd say the shims combined with the heavier strings caused the problem.

it seems that the bridge saddle not being seated at the bottom of the bridge plate where it could really 'grab' at the corners where the bottom meets the sides and the added leverage caused the cracking to start at the top where the stress was the greatest.

the shims didn't just raise the saddle but also effectively raised the bottom of the groove in the bridge plate reducing the surface area holding the saddle in place and the overall strength of the bridge plate.

personally i'd never shim the saddle of an acoustic guitar to raise the action but instead get a new, higher saddle and file it down to where i want it or get another saddle the same size and use a piece of it to attache to the bottom of the old one with pins and glue to create a strong mechanical bond and make it one piece. the shims raised it but didn't hold it in place because the bottom of the saddle was allowed to freely on the shims.

my $0.02.
This was mentioned very early in the thread. To sum up.

There is nothing wrong with shimming a saddle.
At least 60% of the saddle must be sunk in the bridge.
The saddle must be a good snug fit.
The saddle should make a perfect fit with the bottom of the slot#
ditto any shims.

A correctly shimmed saddle will not allow any movement freely or otherwise. The clamping pressure of around 160 lbs will make sure of that.

Just for the record the "bridge plate" is something completely different from the bridge. I assume you mean the bridge?
 
muttley600 said:
This was mentioned very early in the thread. To sum up.

i guess i overlooked that one..

muttley600 said:
There is nothing wrong with shimming a saddle.
At least 60% of the saddle must be sunk in the bridge.
The saddle must be a good snug fit.
The saddle should make a perfect fit with the bottom of the slot#
ditto any shims.

A correctly shimmed saddle will not allow any movement freely or otherwise. The clamping pressure of around 160 lbs will make sure of that.

perhaps. that appearently wasn't good enough in this case and it's just somthing i personally wouldn't do. especially on an older guitar when the strength and condition of the wood is uncertain. (drying, etc.)

i didn't know about the 60% rule but that's taking away almost half of the surface area holding the saddle and making one hell of a lever out of it. i just wouldn't feel comfortable with that...especially if i were using heavier gage strings.

muttley600 said:
Just for the record the "bridge plate" is something completely different from the bridge. I assume you mean the bridge?

oops. brain fart. you're correct.
 
Hey Danny, don't know about anybody else but I'd be interested to know exactly how much of the saddle was in the slot and how much was above the wood of the bridge. I think that's what the whole issue here boils down to. The original pics look like the saddle was set way too high for the depth of the slot but they could possibly be misleading, given the angles.

Easy way to do it... with the strings off and the saddle in the slot, shims in place, draw a thin pencil line on the saddle exactly along the edge of the wood (no gap... use a half-flattened pencil tip or fine point mechanical). Then take a pic of the saddle, with pencil line, taken while it's seated in the bridge, from a low angle to show the accuracy of the line, and a second pic of the saddle, out of the slot, laying on it's side to show how much of it was above and below the wood's surface.

It'd also be good to determine how snug the saddle fit originally was re the width of the slot, but that's going to be tough to know because of the crack.
 
Last edited:
"This was mentioned very early in the thread. To sum up.

There is nothing wrong with shimming a saddle.
At least 60% of the saddle must be sunk in the bridge.
The saddle must be a good snug fit.
The saddle should make a perfect fit with the bottom of the slot#
ditto any shims."

I believe I was probably the one that mentioned that I wouldn't shim
a guitar. I haven't seen anyone mention anything about the shimming material. What did they use?
I have seen guitars that use nothing more than thin strips of card board.
If some one used this material and filled up 40% or the slot it would do
pretty much what occured on Dannyguitars guitar.
I use nothing but bone on my guitars sanded perfectly flat, this gives you the best surface contact and the most sound. Why would I want to put some type of material between the saddle and the bottom of the saddle slot and kill the sound?
I suppose you could use a bone shim and glue it to the bottom of the original
saddle and keep the orginal tone but why? It would be just as easy to do a 2nd saddle and swiitch back and forth as the season dictates.
Shims to me just sound like a quick temporary fix
 
castlerock said:
i guess i overlooked that one..



perhaps. that appearently wasn't good enough in this case and it's just somthing i personally wouldn't do. especially on an older guitar when the strength and condition of the wood is uncertain. (drying, etc.)

i didn't know about the 60% rule but that's taking away almost half of the surface area holding the saddle and making one hell of a lever out of it. i just wouldn't feel comfortable with that...especially if i were using heavier gage strings.



oops. brain fart. you're correct.
The age of the wood really has little bearing on it. Wood experiences creep and the older it gets the more likely it is to stay where it has been after being under a force. More important would be the glue line holding the bridge on. Rosewood and ebony actually resist cleaving rather well, which is what has happened to the bridge in question. It takes quite a bit of force to cleave them believe me although as we can see it is not impossible bya any means.

The 60% rule is an old one I learned some 30 years ago. Many other makers will likely tell you the same. That 60% don't forget is a minimum. I prefer to see a lot more in the slot but a lot will depend on how much mass you want in the bridge as you build the guitar and how stiff the whole top assembly is acoustically. That is a judgment call that makers do every time they tune the top and bridge acoustically. Its far more important in any case to have a snug fit and a perfectly flat slot bottom and slot joint.

Think about how the forces are acting on the bridge. Most of the force on the saddle is bearing down as a result of the string break angle. The tension in the string is pulling at the anchor points mostly. ie the bridge pin/bridge plate and belly behind the saddle and the machine head at the opposite end. Yes there is a component of the force that pulls the saddle forwards but it is not huge, as the strings ride over the saddle. Now if the saddle is loose and allowed to tilt forwards then the force is multiplied considerably and the direction in which it acts also changes. Thats why it is important to have a clean snug fitting saddle at right angles to the bridge. This isn't opinion by the way this has been widely researched and accepted. As a rough guide as you move up through the string gauges you are adding roughly 10% more force to the system at every point. As builders we allow greater margins for potential failure than that. Trust me a well made and setup guitar will handle 13's no problem.

The problem with Danny's guitar is not common, but almost everyone I've seen over the years has been down to a badly fitted loose saddle. I can't think of one that wasn't and I see a lot of guitars. I have seen the bone give before the rosewood or ebony splits as well. Bone also has weak spots by its very nature.
 
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