New to the group and guitar building

Talk about musical instrument construction, setup and repair.

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Cal
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Re: New to the group and guitar building

Post by Cal » Sat Jun 02, 2018 8:17 am

I think I’ve got rotten fruit :? Will be sure too load pics on another browser first next time.

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56nortondomy
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Re: New to the group and guitar building

Post by 56nortondomy » Sat Jun 02, 2018 5:23 pm

I'm using IE and the pics are upside down, tried on google chrome and still up the wrong way. Wayne

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colburge
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Re: New to the group and guitar building

Post by colburge » Sun Jun 03, 2018 9:00 am

Hi

I just had a look at the metadata of the first photo in your post and it says to rotate 180 degrees, that is why it's upside down! This was actually a big issue with the iPad in the early days when developers forgot to account for Lefties. The normal orientation for taking a photo with an iPad is to have the home button at the top or the right, but lefties were turning it 180 degrees to have the button on the left, so the photo was upside down, but was seen normally. They did fix that issue, so I am not sure what is going on with yours, maybe an after market app or setting, nothing to do with browsers.

Col

Cal
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Re: New to the group and guitar building

Post by Cal » Sun Jun 03, 2018 9:31 am

Thanks for that Col, they were taken with the iPhone and transferred to the iPad. Your explanation makes sense as I sometimes take photos horizontally with the button in my left hand, I have never given it a thought. No third party apps involved, but I have not been tempted to update either device lately. Will be sure to hold the phone the other way in future and check in preview on chrome or something else before posting.
Cheers Cal

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Re: New to the group and guitar building

Post by Cal » Sun Jun 10, 2018 6:37 pm

Ok, let’s see if these are up the right way, added kerfing and bracing to both lots of sides. I am now struggling with the thought of how best to do set up the soundboard and backs for these, do I leave them flat or will I need to add radius to them? I need to work out what the neck angle will be and how best to get it all set out....
Image
Image
Image

Cal
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Re: New to the group and guitar building

Post by Cal » Mon Jun 11, 2018 6:15 pm

Made up a pair of radius dishes today, turned out well I think. Next up a go-bar deck to use them with!
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kiwigeo
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Re: New to the group and guitar building

Post by kiwigeo » Mon Jun 11, 2018 6:27 pm

Nice work Cal. Something I do with my dishes - I glue two dishes back to back or glue on a 20mm MDF backing plate to keep them rigid. The added weight is also handy if your using a dish to sand sides to back/top profiles.
Martin

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Re: New to the group and guitar building

Post by Cal » Mon Jun 11, 2018 7:43 pm

Point taken, makes a lot of sense to add another layer or two to them. I will have to sort out where to store them when not in use, ideally laying flat rather than on end. MDF has a mind of its own!

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kiwigeo
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Re: New to the group and guitar building

Post by kiwigeo » Tue Jun 12, 2018 7:44 am

With the bracing layer added you can store them on their end.
Cal wrote:
Mon Jun 11, 2018 7:43 pm
Point taken, makes a lot of sense to add another layer or two to them. I will have to sort out where to store them when not in use, ideally laying flat rather than on end. MDF has a mind of its own!
Martin

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Re: New to the group and guitar building

Post by Cal » Sun Jul 22, 2018 5:31 pm

Ok, it’s been a while since I last posted. Some progress has occurred all be it slowly.
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56nortondomy
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Re: New to the group and guitar building

Post by 56nortondomy » Sun Jul 22, 2018 5:43 pm

Hi Cal, I was just wondering how you were going to clamp the bridge when you glue it ( vacuum or something else? ). Looks good so far.
Wayne

Cal
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Re: New to the group and guitar building

Post by Cal » Sun Jul 22, 2018 6:21 pm

The bridge will have to go on prior to closing the back up, I have no other way of clamping it otherwise. Which means I have to start the binding channel for the back at the neck before I glue the neck on. I know it’s all a bit arse about but it’s all I can do without a sound hole.

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Re: New to the group and guitar building

Post by simso » Sun Jul 22, 2018 10:06 pm

Vacuum clamp would be perfect

Steve
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Do your own repairs - http://www.mirwa.com.au/How_to_Series.html

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56nortondomy
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Re: New to the group and guitar building

Post by 56nortondomy » Sun Jul 22, 2018 11:58 pm

The reason I asked is because I built a tenor uke ( viewtopic.php?f=25&t=7327 ) with no s/hole and I had trouble gluing the bridge and it ended up lifting, it came back for a repair and I made a long clamp and slipped it through the sound port, worked out ok in the end, I was lucky I had the s/port there for access, too bad you don't have a vacuum clamp, like Steve said it'd be perfect. Wayne

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Re: New to the group and guitar building

Post by Cal » Mon Jul 23, 2018 5:47 pm

Thanks Wayne and Steve for your input. No vacuum clamp, to be honest I don’t even know what one looks like 😁
What do you think of my method of fitting the bridge before I glue the back on? Do either of you see any issues arising from it? Cheers Cal

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Re: New to the group and guitar building

Post by simso » Mon Jul 23, 2018 6:46 pm

Make your bridge without saddle slot, that way you can intonate and cut said saddle slot afterwards..

Steve
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Re: New to the group and guitar building

Post by Cal » Mon Jul 23, 2018 8:14 pm

Hmm, I can see myself making a dogs breakfast of it. What method would you use to create the slot? I have a dremmel with a home made aluminium router base and a makita laminate trimmer, which would be the pick to use and is there a 3mm bit available for either of them? I have used the table saw to create saddle slots previously.

simso
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Re: New to the group and guitar building

Post by simso » Mon Jul 23, 2018 8:37 pm

Cal wrote:
Mon Jul 23, 2018 8:14 pm
What method would you use to create the slot? I have a dremmel with a home made aluminium router base and a makita laminate trimmer
How I do it

http://www.mirwa.com.au/HTS_Saddle_Slotting.html

Steve
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Do your own repairs - http://www.mirwa.com.au/How_to_Series.html

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Re: New to the group and guitar building

Post by Cal » Mon Jul 23, 2018 8:52 pm

That has just become an agh hah moment for me! That looks doable with the gear I have aside from the bit you are using, is it a dremmel branded bit or another brand? What size is the bit please. Thanks for your help with this too! Cheers Cal

simso
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Re: New to the group and guitar building

Post by simso » Mon Jul 23, 2018 9:02 pm

Just an end mill bit suitable for a dremel

Steve
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Do your own repairs - http://www.mirwa.com.au/How_to_Series.html

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kiwigeo
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Re: New to the group and guitar building

Post by kiwigeo » Mon Jul 23, 2018 9:23 pm

Cal, I have the slotting jig featured in Steve's tute...and I should have some cutters that will do the job. I just need to fish them out of my packed up workshop. Let me have a search and I'll see if I can find the gear. Stay posted.
Martin

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Re: New to the group and guitar building

Post by Cal » Tue Jul 24, 2018 9:16 am

Thanks Martin, don’t go to too much trouble, I could rig something up to do the job. I’m not in a rush at the moment either. Cheers Cal

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Re: New to the group and guitar building

Post by Cal » Wed Jul 25, 2018 7:56 pm

Just to add to my difficulty level I forgot about the fact that this will have an under saddle piezo in it so I can’t close the back up until the bridge is on and saddle slot cut otherwise I can’t connect and route the wire for the piezo. I guess I can get the saddle slot in the right place still without closing the back up???

simso
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Re: New to the group and guitar building

Post by simso » Wed Jul 25, 2018 8:37 pm

Cal wrote:
Wed Jul 25, 2018 7:56 pm
Just to add to my difficulty level I forgot about the fact that this will have an under saddle piezo in it so I can’t close the back up until the bridge is on and saddle slot cut otherwise I can’t connect and route the wire for the piezo. I guess I can get the saddle slot in the right place still without closing the back up???
1/2 a mm out for a saddle string will make it play like a dog for the rest of its life.

Alternatively, you can make an mdf false back and screw it into your neck and tail block and tape the edges to the sides for strength, then string it up and tune and get the saddle exactly where it needs to be. Then close the box with a nice back.

Fitting a piezo lead is really not that difficult even with what you have there, you have an f hole that’s heaps

Steve
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Do your own repairs - http://www.mirwa.com.au/How_to_Series.html

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kiwigeo
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Re: New to the group and guitar building

Post by kiwigeo » Wed Jul 25, 2018 9:08 pm

Steve's solution will work. Another possible work around:

1. Install jack and run wiring from same through F hole.
2. Install back.
3. Install bridge. Cut saddle slot and install pickup.
4. Fish wire from pickup through F hole. Solder up to wires from jack and then push them back through F hole into body.
Martin

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