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-   -   Learning how to build an electric guitar (http://cellar.org/showthread.php?t=33881)

lumberjim 03-06-2019 04:31 PM

Ok, the cavity is 1/8" wider. Now to slap it back together and test it. I had to cut the jack and ground wires in order to remove the guts, so I'll need to re solder those. Then I'll employ what I've learned about setting up the string height and radius, and then he'll show me how to set intonation properly. That's to do with the length of each string. Object being to get the middle of the string directly over the front edge of the 12th fret, so it's exactly one octave higher than the open string. https://uploads.tapatalk-cdn.com/201...bd6ce706e5.jpg

lumberjim 03-06-2019 04:32 PM

Quote:

Originally Posted by glatt (Post 1027620)
Can you just use a sharp chisel if you only have to take off a little bit?

I could have, but it would have taken longer and looked lumpy. Not that you see it, but hey. I did get the chisel out to make the transition between the lower and regular areas of the pocket.

glatt 03-07-2019 07:43 AM

Whatever works. And it looks like you got it done just fine.

xoxoxoBruce 03-07-2019 11:48 AM

1 Attachment(s)
You need a workbench worthy of your craftsmanship.

Gravdigr 03-07-2019 12:04 PM

That's purty.

lumberjim 03-07-2019 12:40 PM

After adjusting the cavity to make room for the switch and Tone knob that were in the way, we put it back together, and it was still too high. So, We cut out and added a shim. I traced the heel of the neck on a thin piece of walnut he had set aside for this kind of thing. Then we tested the fit with a folded business card. 2 layers got it where we wanted it, so then drill through the shim where the neck bolts will go, and sand or plane the shim to the .0025" at the heel end, and disappearing on the neck end. that creates the correct angle so we can get the strings to be nice and low but parallel with the neck.


I didn't take any pics of the shim, but I did get Pete using the veneer slicer to reduce the thickness of the shim.





oh, he finally tried the super glue and masking tape trick. i had told him about it and he kind of blew it off saying he'd been using spray adhesive for 20 years, and etc.... but he tried it one day for a little template that wasn't critical... and was amazed at how strong it held and how easy it was to do. 'changed my life' I think is what he said. lol.. I did teach him a trick.... and he also said he'd probably try the neck heating trick if he ever comes across a neck as bad as mine was. Given the proper disclosure and if all other methods fail as mine did.


So yeah. a good long productive day at the luthier's shop. I was there until after 10pm. And I have one more adjustment to make....



This stems from that same frigging 3/8" error I made gluing the fret board onto the neck. I trimmed 1/8" off the neck, 1/8" out of the neck pocket...and figured I'd just extend the saddles to make up the last 1/8". well, the tremolo block under the bridge is butt up against the inside of that pocket, which becomes the fulcrum instead of the 2 posts like it should be.


I need to rout that 1/8" out of the upper edge of the trem pocket to let it forward enough to contact the posts properly. Then I'll need to nibble the pick guard down right there to match.



And THEN I can intonate the strings and call it done. (yeah...we'll see about that)


look how low the strings are:
https://uploads.tapatalk-cdn.com/201...029a0ff216.jpg
https://uploads.tapatalk-cdn.com/201...0b5bba859b.jpg

lumberjim 03-10-2019 09:06 PM

Here's the shim. I had to remove the neck to rout this bridge cavity.

https://uploads.tapatalk-cdn.com/201...5272bd35b4.jpg

This line is where I need to rout to.
https://uploads.tapatalk-cdn.com/201...a00ea02334.jpg

So I set up a fence 2 1/4" away and routed a groove deep enough to get the collar bushing to keep the edge, then finished the rout using that edge as a guide. I had to flip it over and finish the back by hand with a dremel.

https://uploads.tapatalk-cdn.com/201...5b933271e1.jpg
The new cavity
https://uploads.tapatalk-cdn.com/201...c6f7367fb9.jpg
From the back
https://uploads.tapatalk-cdn.com/201...a0b5c38ff7.jpg
And then I reassembled it.

lumberjim 03-10-2019 09:11 PM

You can see that I nicked the one side. It just shows under the edge of the bridge. I cut a little plug and glued it on the edge.

https://uploads.tapatalk-cdn.com/201...98664da453.jpg

I set up the string height, grooved the nut and set the intonation.

It is finished.

https://uploads.tapatalk-cdn.com/201...ee2356b875.jpg

fargon 03-10-2019 09:13 PM

Let's Hear some ROCK N ROLL!!! Please.

Griff 03-11-2019 06:13 AM

Nailed it!

xoxoxoBruce 03-11-2019 08:16 AM

Kudos for following through to make everything right, and not saying good enough, or next time it'll be right. :thumb:

In the end you've been true to the thread title, "LEARNING HOW to build an electric guitar". :notworthy

lumberjim 03-11-2019 08:29 AM

Quote:

Originally Posted by fargon (Post 1027983)
Let's Hear some ROCK N ROLL!!! Please.

I will. Maybe Wednesday

fargon 03-11-2019 09:23 AM

I can't wait.

Gravdigr 03-11-2019 11:25 AM

I knew you fer a fuckin' nut-groover when I first laid eyes on ya.

Fuckin' nut-groovers, man...

lumberjim 03-11-2019 07:43 PM

On a side note.... I bought another guitar

https://uploads.tapatalk-cdn.com/201...776db7c276.jpg
And promptly took it apart
https://uploads.tapatalk-cdn.com/201...af4a1ab290.jpg

Get this :

I paid $106 for this guitar. Shipped, taxed and inside a pretty decent gig bag. They used cheap components, to be sure, but the finish is perfect, the neck is flat and attractive...they even dressed the frets nicely. Crazy. No idea how there could be any profit in this.

https://uploads.tapatalk-cdn.com/201...f88d283fb1.jpg

It played fine, but had a pretty bad hum. So I figured I'd try adding some copper shielding tape and see if they really work.
https://uploads.tapatalk-cdn.com/201...4f9df419a4.jpg
Did the back cover and one loop to surround the ground wire. And then the inside of the pick guard.
https://uploads.tapatalk-cdn.com/201...7ca57738ca.jpg

The pots are tiny, and the switch is odd looking. I'm planning on re-wiring the whole thing and using it as a kind of practice piece.
https://uploads.tapatalk-cdn.com/201...169573ae63.jpg

lumberjim 03-11-2019 07:47 PM

I'm thinking the guy I bought that blue one from buys these, upgrades the hardware and markets them as used. I paid $449 for that one.

When this red one is back together, I'm going to take that one apart and see what the inside looks like. You see how the center is all routed out above... Not like mine where each pickup has its own pocket.

lumberjim 03-12-2019 10:43 AM

Oh. No you don't see that cuz I didn't post a pic of the front opened up.
https://uploads.tapatalk-cdn.com/201...caf82a5fee.jpg

There
https://uploads.tapatalk-cdn.com/201...2eba657e9c.jpg

Gravdigr 03-12-2019 11:27 AM

Ooh, she's a dirty girl...:whip:

Flint 03-12-2019 11:45 AM

bro you're living in 3019 now

you'll never see guitars the same way

xoxoxoBruce 03-13-2019 03:54 AM

That's the downside of being a Ob-Gyn. :cool:

Griff 03-13-2019 06:18 AM

:sweat:

Gravdigr 03-13-2019 08:41 AM

Quote:

Originally Posted by xoxoxoBruce (Post 1028103)
That's the downside of being a Ob-Gyn. :cool:

Ob-Gyn...Wuzzat, some kinda Jedi name or something?

Quote:

Smell you get to, but eat not.

lumberjim 03-13-2019 05:05 PM

I think Bruce was saying that OB-GYN doctors look at vaginas all day, and it takes all the fun out of them for normal use.

And flint is right. When I was in key west and we were watching bands play, I was looking at the guitars first and hearing the music second.

lumberjim 03-13-2019 06:03 PM

Quote:

Originally Posted by fargon (Post 1027999)
I can't wait.

Ok fargon. I've got a new amp and guitars all over the room. I'm fixing to make you that video of some Jimi in a bit. Gotta do a little pottery first.

I've got the anthem mostly, but not perfect. It still sounds cool. Check back in a little while. Any last second requests?

Griff 03-13-2019 06:09 PM

Led Zep-Thank You. Listened to Chris Cornell's acoustic take on this today, nicccccce.

lumberjim 03-13-2019 06:15 PM

I think I might know a little Zeppelin....

Griff 03-13-2019 06:17 PM

maybe you do. :)

lumberjim 03-13-2019 06:54 PM

Oh. Turns out I still suck at it. And at guitar in general right now. I cut the video off before I totally lost my way in the melody. And I skipped a whole section... Because I'm enough of a dork without video evidence on the internet tube. And I don't want to disrespect the anthem with a botched rendition. But mostly vanity.

Sorry, G. No zep today. The pottery you see. I wasn't feeling it right tonight. I think I had P. E.

Anyway, here it is. The guitar I mean. It works.



Gravdigr 03-13-2019 08:49 PM

God damn, son! I think ya built a guitar!!!

:devil:

fargon 03-13-2019 09:17 PM

Rock N Roll!!!

xoxoxoBruce 03-14-2019 12:25 AM

Freebird !! :lol2: Somebody had to.:o

Griff 03-14-2019 06:58 AM

Wait! Did you just build a damn guitar? Rock on brother, Jimmy forgives all.

glatt 03-14-2019 07:02 AM

Sweet! It works!

Undertoad 03-14-2019 09:11 AM

Amp needs grounding is what all that noise is, I think

xoxoxoBruce 03-14-2019 09:33 AM

Quote:

Originally Posted by Griff (Post 1028185)
Wait! Did you just build a damn guitar? Rock on brother, Jimmy forgives all.

Yes he did, but it took him 17 weeks of Wednesdays and Sundays, (minus the Christmas & New Years turmoil), to build the shop, acquire tools, learn how, locate materials, experiment with paints, consult with professionals, assure Amanda he hadn't moved to the garage, and probably a couple hours sleep.

Whew! :shred:

lumberjim 03-14-2019 09:52 AM

Bruce, that is pretty damn near exactly what it was.

I've got to get moving on the next two before I lose momentum and Amanda gets used to me loafing on my days off. She's been working extra hours lately with tax season in full swing, so I need to fill my time.

Ute,
That is a new amp and I set it on top of my other one. What do you mean by grounding? I thought it was the guitar humming. The shielding I did didn't work as well after the last 2 surgeries, so I assumed I missed some section inside.

lumberjim 03-14-2019 09:58 AM

Also, I don't know what P.E. was supposed to be. I meant Performance Anxiety. That would be P. A. . P.E. is premature ejaculation. I didn't have that.


:shrug:


I'll try again another day and give you more of what the guitar sounds like with different settings on the amp..... maybe.

Undertoad 03-14-2019 12:50 PM

Does the amp hum when you don't have anything plugged into the input?

lumberjim 03-14-2019 02:06 PM

I don't think so. and the hum subsides when I turn and face a certain way. It gets worse when I'm near the chandelier in the dining room, too. I'm pretty sure I've got an antenna inside that's un-shielded.



The first night I played it, it hardly hummed, but since then, I've been all up inside it twice. I'll go back in one day and see if i can improve the faraday cage.



Pete was telling me that if you have a circle in your ground wires, you'll get a lot of hum. I kind of just squooshed wires in there last time, so maybe something is contacting something.....


I've been kicking around getting a couple quick connect clips to go into a central ground that would make yanking the pick guard an easy thing. They way they're designed, you have to disconnect the ground to the claw in the back, and the 2 wires leading to the jack in order to fully remove the pick guard. Seems like that should have been improved.

lumberjim 03-14-2019 03:29 PM

I may have inadvertently created a ground loop with the shielding. I might go back in there and re-wire the whole thing more cleanly. I need more practice soldering anyway....

Flint 03-14-2019 04:03 PM

does the amp hum when you stick your dick in it ?

lumberjim 03-14-2019 06:17 PM

You know my dad reads this thread right?

lumberjim 03-14-2019 06:18 PM

Dad, flint is one of those retard geniuses

Some kind of ass burger or something

monster 03-14-2019 06:19 PM

Quote:

Originally Posted by Flint (Post 1028236)
does the amp hum when you stick your dick in it ?

I suspect he only buttfucks it in the mouth....

And back the the OT.... I'm Very Impressed, LJ. To the point of envy. I can't even keep on track with a ceramic project that takes more than a week or two. And it fucking works! :D Nice one.

lumberjim 03-14-2019 07:40 PM

Thanks monster! I almost said it was the longest project I've done, but then the Harley took this long, and so did that deck I built. I guess I need some kind of mental simulation when work gets monotonous. I'm studying up on the electronics inside guitars lately. I don't know enough about it.

monster 03-14-2019 07:51 PM

If you build a ukulele though, we are through....

xoxoxoBruce 03-14-2019 10:57 PM

Oh, I forgot a week in Key West out of your project, so even more impressed. :thumb:

Clodfobble 03-14-2019 11:53 PM

I approve of every part of this. You done good.

lumberjim 03-15-2019 12:50 AM

Quote:

Originally Posted by monster (Post 1028241)
If you build a ukulele though, we are through....

What if I build it out of the skulls of my enemies?

Griff 03-15-2019 06:23 AM

To be fair, Eddie Vedder, who I adore, released a ukulele album. I won't listen to it. Unless you are a 400 pound Hawaiian put that shit down.

xoxoxoBruce 03-15-2019 09:27 AM

But but but, Tiny Tim. :lol2:

Gravdigr 03-15-2019 10:48 AM

I swear to God, if you build a ukelele, I will come up there and pick up your Man Card myself.

You got another hole punched for building your own guitar, but a ukelele? That aggression will not stand.

lumberjim 03-15-2019 10:52 AM

Hey, it wasn't my idea. I don't even play a ukelele. Not even sure I can spell it.

If I ever tackle acoustic, it will be 6 stringed, I promise.

lumberjim 03-15-2019 11:10 AM

Quote:

Originally Posted by Griff (Post 1028260)
To be fair, Eddie Vedder, who I adore, released a ukulele album. I won't listen to it. Unless you are a 400 pound Hawaiian put that shit down.

I'm working on it
... But I think Israel was in the 500+ club
Woo. Just looked that up. He was 757lbs at one point. That's big. Died at age 38.

https://en.wikipedia.org/wiki/Israel...awiwo%CA%BBole

Gravdigr 03-15-2019 12:16 PM

Quote:

That's a big ol' bunch o' somebody.
~DigrBuddy, upon seeing an at least 600 pound man driving a Chevy Chevette. It was just the one guy in the car, and that car was full.

Flint 03-15-2019 12:31 PM

I'm sorry, lumberjim's dad. Your son is a really good guy, so, nice job.

lumberjim 03-15-2019 03:45 PM

here's pretty good video(s) about the concept of how electricity moves through the electronics in a guitar.







and more about pots and the order you line them up.





xoxoxoBruce 03-17-2019 02:51 PM

1 Attachment(s)
And the shape...

lumberjim 03-18-2019 11:25 AM

Maybe I'll offer cup sizes for my custom guitar line

Gravdigr 03-18-2019 02:38 PM

A really deep upper cut-away.

Called the DD.


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