|
Post by rabidgerry on Oct 6, 2015 5:20:05 GMT -5
Hi guys, I have a single control guitar that I can't bare to play because it has no tone circuit. So the idea was get a concentric pot and instal this and that way I got a volume and tone control in one pot and can fit neatly into one hole in the body. Well that should work a treat only for one problem!!!!!!! ? The pot I have fits into the cavity ok but the hole that the shaft pokes through is too deep for the actual bushing to poke through. Which means I cannot mount the pot as the nut is unable to screw over the bushing. I have thought about this and can only think of one solution. To make the hole a little shallower some how? How the hell can I do this? Any ideas are welcome. If there is another way, such as extend the bushing of the pot somehow I would really like to know about it. All ideas and suggestions will be appreciated.
|
|
Deleted
Deleted Member
Posts: 0
Likes:
|
Post by Deleted on Oct 6, 2015 5:48:18 GMT -5
how about buying a new pot? what depth are we talking about?
|
|
|
Post by rabidgerry on Oct 6, 2015 5:57:57 GMT -5
Yeah I have but there are now 500k concentric pots out there with bushing any longer than this one see link linkit doesn't tell you how long the bushing is here, but basically I need something at least another 5mm at least. If the bushing was another 5mm it would poke out enough form me to get the nut on and tighten it to hold it in place, then of course I could fit the special concentric pot knob.
|
|
Deleted
Deleted Member
Posts: 0
Likes:
|
Post by Deleted on Oct 6, 2015 6:44:19 GMT -5
|
|
|
Post by rabidgerry on Oct 6, 2015 7:31:02 GMT -5
hahaha that's hilarious that you found that pot on the same site I bought the original one. however the bushing doesn't look much longer, in fact may be the same as the bigger pot. I shall email the site and ask them for measurements of the bushing. The pot I have already pokes through enough for the knobs to go on ok but I obviously cannot screw the nut onto the pot since the bushing isn't coming through. Will be back with details. My other idea was to perhaps make the hole a little shallower, like allowing the pot to sit further in. I was thinking may be a dremel type with wood engraver attachement may be able to achieve what I am after. A longer pot bushing is the ideal solution though
|
|
Deleted
Deleted Member
Posts: 0
Likes:
|
Post by Deleted on Oct 6, 2015 7:48:53 GMT -5
|
|
|
Post by rabidgerry on Oct 6, 2015 7:54:46 GMT -5
no it's hilarious that I didn't see that pot from that same seller, think you misinterpretted my last comment.
No I couldn't have a 100k pot for a full size humbuckers. I'd need 500k.
Not sure I understand you here "+ epoxy build up of threaded extra bushing (prolonging the existing threaded bushing) ?"
|
|
Deleted
Deleted Member
Posts: 0
Likes:
|
Post by Deleted on Oct 6, 2015 8:13:36 GMT -5
no it's hilarious that I didn't see that pot from that same seller, think you misinterpretted my last comment. No I couldn't have a 100k pot for a full size humbuckers. I'd need 500k. Not sure I understand you here "+ epoxy build up of threaded extra bushing (prolonging the existing threaded bushing) ?" no prob man. Now the vol pot will do its job for starters, the tone pot you may convert to no-load. But I agree that 500k would be ideal. What I mean, is that you could build up the missing threaded part with some hard epoxy putty, then tap it and create a thread at a height long enough to leave some threaded part above the guitar's top, in order to have some purchase to screw the nut on the (new artificial thread that you will make). It would need some excercise first, and I cannot guarantee any success. The other miserable alternative is butchering your guitar's body to make it fit. The last resort I can think of, is stuffing some foam in there to make it stick semi-permanently , it might work as long as you don't go wild on the pot. Notice, that the epoxy method will be weak as well, compared to full metal.
|
|
|
Post by rabidgerry on Oct 6, 2015 8:26:04 GMT -5
hmmmm i know what you mean about the building some extra threads. However I couldn't do that either. It would interfere with the second rotational part of the shaft, know what I mean? Unless I don't understand you fully.
To avoid the butchering, could the bushing and shafts be swapped out on the pot for longer ones?
Still waiting on that website getting back to me.
I hate these tiny little differences that cause big big problems!!! Typical in the realm of guitars though!!!
|
|
|
Post by cynical1 on Oct 6, 2015 9:47:06 GMT -5
Actually, the solution is very simple. A drill press and a Forstner bit. Just find one slightly larger than the diameter of your pot and set the guitar on the press, use the existing shaft hole to center the bit, set your depth and drill down to said depth. Instant pocket for your pot. HTC1
|
|
Deleted
Deleted Member
Posts: 0
Likes:
|
Post by Deleted on Oct 6, 2015 10:12:41 GMT -5
The man hath spoken! Hey Cyn1, what about wood strength ? Could it pose a consideration?
|
|
|
Post by cynical1 on Oct 6, 2015 10:27:34 GMT -5
All you're removing is enough for the pot shaft to go in cleanly and give enough room for the threads to clear. Granted, you try this with a hand drill and a few beers bad things can happen...
HTC1
|
|
Deleted
Deleted Member
Posts: 0
Likes:
|
Post by Deleted on Oct 6, 2015 23:14:12 GMT -5
+ If rabidgerry chooses to make the recess from the front side, he will also have recessed knobs
|
|
|
Post by cynical1 on Oct 7, 2015 1:03:41 GMT -5
That could wind up being a big hole to allow access for the concentric knobs...
|
|
|
Post by rabidgerry on Oct 7, 2015 3:15:46 GMT -5
Ahh this is kinda what I was thinking also. the Forstner bit! I meausred and one about 2.4mm would do the job! However I just realised, the pot if round sure enough, but the section that has the terminals will need to be accounted for. The Forstner bit wont be able to accomdate for that, only the basica circle shape. I know I'm only going to drill down say about 5mm. Perhaps I could use a Forstner bit and then a dremel to carv out a square section to seat those terminals. cynical1, you wouldn't use a hand drill with the forstner bit then? Only drill press? I only ask as I have no drill press I have saw the bits however for hand drills. It be tricky enough to carry out I suppose as the cavity isn't very wide. About the size of a tele control cavity.
|
|
|
Post by cynical1 on Oct 7, 2015 10:13:34 GMT -5
OK, here's the thing...the right tools make the job easy and the results predictable. A drill press has a table to place the body level and square to the Forstner bit. The drill press normally has a stop mechanism built in so you can only lower the drill\Forstner bit so far and no further. Nice clean hole, centered and down to the required depth... Clean.
Unless you're really good with a hand drill, it's real easy to have the drill skip on you, walk off to the side, put your hole\cavity off at an angle, or worse case, go right through to the other side.
And a Dremel tool or chisel is OK for hogging out the wood necessary to allow the terminals to fit. Just work slow and easy and secure the body to something to keep it from moving.
It's easier and quicker to do it right then it is to do it twice...
Happy Trails
Cynical One
|
|
|
Post by sumgai on Oct 7, 2015 11:05:05 GMT -5
It's easier and quicker to do it right then it is to do it twice... Happy Trails Cynical One sumgai's Corollary: If you don't have the time to do the job correctly in the first place, when are you gonna find the time to do it over again? Hope that helps. sumgai
|
|
|
Post by cynical1 on Oct 7, 2015 15:19:29 GMT -5
sumgai's Corollary: If you don't have the time to do the job correctly in the first place, when are you gonna find the time to do it over again? Can I get an amen to that? HTC1
|
|
|
Post by rabidgerry on Oct 8, 2015 4:23:05 GMT -5
Well I don't have a drill press or have access to one so not sure what else I can do instead, unless I dremel the whole thing out using the dremel with extension attached or else use the forstner bit with a hand drill for most of it then dremel.
dam guitars!
|
|
|
Post by newey on Oct 8, 2015 4:53:06 GMT -5
I wouldn't give up just yet on the idea that you may be able to find a long-shaft concentric pot. I've never looked for one specifically, but they may well be out there.
As for the drill press, I'm with Cyn1. You're trying to center the Forstner bit in a hole that's a good deal larger than the tip of the bit. If you're off center even a little, the pot won't fit your new recess. Then you end up hogging out more wood, not only to fit the terminals, but to fit the body of the pot into your now-cockeyed hole, and you run the risk of making a mess of the thing. It would be a different story if you were using the Forstner bit on a flat piece without a pre-existing hole.
|
|
Deleted
Deleted Member
Posts: 0
Likes:
|
Post by Deleted on Oct 8, 2015 6:48:04 GMT -5
Another idea : non intrusive : www.guitarelectronics.com/product/CPAS500/Alps-Stacked-500K-Dual-Concentric-Pot.htmlThen find a bushing that has internal thread diameter the same as the above external diameter (= the shown washer's internal diameter). Fasten and secure to the bottom, and calculate how much you must cut from the top in order to expose at least a good part of the larger shaft for the pot knob to secure. This might require minimal enlarging of your current hole. Then go and use a washer for the bushing. Key problem is where to find this double threaded bushing.
|
|
|
Post by cynical1 on Oct 8, 2015 22:50:40 GMT -5
That looks like a clean and simple fix. Sure takes fewer tools...
HTC1
|
|
|
Post by rabidgerry on Oct 9, 2015 4:30:45 GMT -5
Another idea : non intrusive : www.guitarelectronics.com/product/CPAS500/Alps-Stacked-500K-Dual-Concentric-Pot.htmlThen find a bushing that has internal thread diameter the same as the above external diameter (= the shown washer's internal diameter). Fasten and secure to the bottom, and calculate how much you must cut from the top in order to expose at least a good part of the larger shaft for the pot knob to secure. This might require minimal enlarging of your current hole. Then go and use a washer for the bushing. Key problem is where to find this double threaded bushing. I actually have no idea what you're talking about above? The pot you posted might actually be long enough. I found it actually before you posted. I'm waiting on bushing measurements from the website. However having seen it on other sites I am lead to believe it' about 9mm. Allparts said there version is 10mm bushing but theirs is double the price so I'm hopefully gonna go with this one www.chguitars.co.uk/electrics/potentiometers/pot10-a500k-b500k-volume-tone-dual-control-pots.html
|
|
|
Post by rabidgerry on Oct 9, 2015 4:46:14 GMT -5
Another idea : non intrusive : www.guitarelectronics.com/product/CPAS500/Alps-Stacked-500K-Dual-Concentric-Pot.htmlThen find a bushing that has internal thread diameter the same as the above external diameter (= the shown washer's internal diameter). Fasten and secure to the bottom, and calculate how much you must cut from the top in order to expose at least a good part of the larger shaft for the pot knob to secure. This might require minimal enlarging of your current hole. Then go and use a washer for the bushing. Key problem is where to find this double threaded bushing. I actually have no idea what you're talking about above? The pot you posted might actually be long enough. I had actually come across the model after newie inspired me to do another search before you posted the link above. I'm waiting on bushing measurements from the website. However having seen it on other sites I am lead to believe it' about 9mm. Allparts said there version is 10mm bushing but theirs is double the price so I'm hopefully gonna go with this one www.chguitars.co.uk/electrics/potentiometers/pot10-a500k-b500k-volume-tone-dual-control-pots.html
|
|
Deleted
Deleted Member
Posts: 0
Likes:
|
Post by Deleted on Oct 9, 2015 6:40:52 GMT -5
I actually have no idea what you're talking about above? My bad-english speaking virus hit again. Substitute washer->nut re-read and you'll be ok. In the meantime if those long ones are ok for your guitar's thickness, this is even better!
|
|
|
Post by newey on Oct 9, 2015 7:59:11 GMT -5
I'm thinking that I know I've seen an LP or two with concentric pots, so the part must be out there somewhere. You should be able to tell the depth of the bushing from the manufacturer's data sheet, if you go to their website.
|
|
|
Post by rabidgerry on Oct 9, 2015 8:41:37 GMT -5
I'm thinking that I know I've seen an LP or two with concentric pots, so the part must be out there somewhere. You should be able to tell the depth of the bushing from the manufacturer's data sheet, if you go to their website. I didn't know the brand so I couldn't check the manufacurers spec sheet. I saw the same pot with a few brands. It doesn't matter now anyways as the guy got back and told me it's 10mm. Fingers crossed it fits. Is this pot perfectly fine for use in a guitar? Why don't people use smaller pots? Just wondering. I have ordered the pot. Hope to get it tomorrow or Monday.
|
|
|
Post by newey on Oct 9, 2015 8:48:51 GMT -5
Do you mean the smaller size or the resistance value?
I use the mini-pots all the time. I think they get a bit of a bad rap because, at one time, they were perceived as being of lower quality that the standard sized ones, also because some people want "vintage correct" parts.
|
|
Deleted
Deleted Member
Posts: 0
Likes:
|
Post by Deleted on Oct 9, 2015 10:19:00 GMT -5
Do you mean the smaller size or the resistance value? I use the mini-pots all the time. I think they get a bit of a bad rap because, at one time, they were perceived as being of lower quality that the standard sized ones, also because some people want "vintage correct" parts. The said one is mini already, I thing RG means smaller in length. Well RG, ppl want the longer ones for reasons similar to yours obviously.
|
|
|
Post by rabidgerry on Oct 9, 2015 15:29:22 GMT -5
Do you mean the smaller size or the resistance value? I use the mini-pots all the time. I think they get a bit of a bad rap because, at one time, they were perceived as being of lower quality that the standard sized ones, also because some people want "vintage correct" parts. Yeah man that is what I mean, people seem to frown on the smaller pots and quite frankly I like them. And what I was referring to then was will this pot I have bought be up to the job. It's not the usual look for a guitar pot. The value should be fine since it's an audio taper and 500k. Mind you I am thinking I prefer linear taper these days, for tone knob at least, but that another story.
|
|