Pot shaft length?

[Coin]

Do I measure from here to here#? Basically from the top of the pot itself to the top of the spindle? Without the washers on of course. I only wonder because I can order 15mm pots or 18mm pots and just the length of the spindle alone is 19mm. This is to fit an Epiphone SG copy, which are meant to have a smaller shaft right? So I think I am doing things completely wrong. I don't want to be a useless girl but it looks like i'm going to have to get the guitar shop to order the parts and do it for me :yell:

 

[Zerberus]

Re: Pot shaft length?

Shaft length is measured from the start to the end of the threads. 15mm should fit an SG fine, but depending on how deep teh rout is a few mm more can´t hurt...

When in doubt, get longer shafts... it´s much easier to use a second nut to mount a long shafted pot in a shallow hole than it is to lengthen a short shafted pot. Actually, the latter is impossible

 

[Coin]

Re: Pot shaft length?

If we don't include the spindle part where the washer and nut goes to affix it to the guitar, and just measure the bit that actually turns, it's only 10mm
If I get a 15mm one, I can still get those snazzy chrome knobs, right?

 

[Jay 77]

Re: Pot shaft length?

Shaft length is measured from the start to the end of the threads. 15mm should fit an SG fine, but depending on how deep teh rout is a few mm more can´t hurt...

When in doubt, get longer shafts... it´s much easier to use a second nut to mount a long shafted pot in a shallow hole than it is to lengthen a short shafted pot. Actually, the latter is impossible

Come on...this is a loaded quote....I mean we both know it's all about shaft girth, and not length.

(Sorry...someone had to be a boob here & say something like that. Might as well be me.)

 

[Zerberus]

Re: Pot shaft length?

If we don't include the spindle part where the washer and nut goes to affix it to the guitar, and just measure the bit that actually turns, it's only 10mm
If I get a 15mm one, I can still get those snazzy chrome knobs, right?

I´m not sure if we´re understanding each other right... the part that the nut threads onto is the part that needs to be measured, not the spindle itself.

And yes, chrome "dome knobs" can be screwed onto essentially any pot, the height above the threaded housing is pretty much the same for almost all styles.

 

[Coin]

Re: Pot shaft length?

The part the nut threads onto is about 9mm, as is the spindle, making 18mm total. So I'd need the 15 I suppose, as it's the smallest one

Te part the nut threadts onto only just barely comes through out to the other side on the top side of the guitar, while the spindle is quite high and all of it goes into the dial

 

[Zerberus]

Re: Pot shaft length?

Ya know what, I think I may have been talking out my ass there.... After measuring a few pots to make sure, the shortest overall length I have here is 15mm (that includes the shaft itself), and that´s an Import style small housing pot...

I´d tend towards the 18mm to be safe, though I´m a but curious, as none of the CTS pots I have here have an 18mm measurement that could be calipered off the shaft... they all have from 20mm up.....

Ah, wait... are you measuring the original Epi pots right now? that would explain my confusion, as some import pots are a bit wacky...

 

[Coin]

Re: Pot shaft length?

I am measuring the epiphone pots, as I have not bought new ones yet ^_^

 

[Zerberus]

Re: Pot shaft length?

THen I´d go with the "18s"...

Again, it´s much easier to shim the pot down with a washer or extra nut than it is to lengthen it, and if they have 18mm overall length, you may even have issues already depending on how much of that is threaded and how much isn´t....

 

[Coin]

Re: Pot shaft length?

This is how mine looks http://www.guitargear.co.uk/home/m/Shop/id/26/page/1/

half and half, the thread and the turny bit being the same size, 9mm and 9mm respectively? What's the difference between a tone pot and a volume pot??

 

[yeti]

Re: Pot shaft length?

That seems to be the same size that's in my SG. I wonder what a 15mm would fit in?

There's no difference in the pots; the wiring (and capacitor) is what changes the function of each.

 

[Coin]

Re: Pot shaft length?

I don't see the point in naming them different then, do they give a capacitor away with the tone one?

 

[ratherdashing]

Re: Pot shaft length?

I've never seen a pot called a "volume" or "tone" pot. They're usually just pots. This shop you linked to is the only place I've ever seen that done.

Maybe the "volume" is an audio taper, and the "tone" is a linear taper? That's about all I can think of.

 

[Coin]

Re: Pot shaft length?

I should ask them At this point I want to just take it to a guitar shop and get it done there.... if the labour charge is reasonable hehe. It's not like I have a soldering iron anyway