Search found 17 matches

by donnyb
Wed Nov 01, 2023 12:46 pm
Forum: Instrument Builders Forum
Topic: How to create a vintage amber stain ?
Replies: 3
Views: 8619

Re: How to create a vintage amber stain ?

Thanks Blackwood.
I don't think water based will mix with acrylic or nitrocellulose lacquers though (?).
by donnyb
Mon Oct 30, 2023 8:00 am
Forum: Instrument Builders Forum
Topic: How to create a vintage amber stain ?
Replies: 3
Views: 8619

How to create a vintage amber stain ?

Hi , I like restoring 70's Yamaha guitars, but have not found a very close vintage amber stain to add to the acrylic lacquer spraygun finish. I use Dulux Prooftint stains, of which I have a lot of different colours. For amber, I mix yellow, (golden teak), red (maple) and a bit of brown, but usually ...
by donnyb
Mon Oct 30, 2023 7:59 am
Forum: Instrument Builders Forum
Topic: How to create a vintage amber stain ?
Replies: 0
Views: 16840

How to create a vintage amber stain ?

Hi , I like restoring 70's Yamaha guitars, but have not found a very close vintage amber stain to add to the acrylic lacquer spraygun finish. I use Dulux Prooftint stains, of which I have a lot of different colours. For amber, I mix yellow, (golden teak), red (maple) and a bit of brown, but usually ...
by donnyb
Wed Feb 16, 2022 1:14 pm
Forum: Instrument Builders Forum
Topic: Soundboard radius/ soundboard flattening
Replies: 0
Views: 22772

Soundboard radius/ soundboard flattening

Hi, I have a Cole Clark FL2 that needs its bridge hump flattened before fitting a new bridge . The soundhole dip needs to be flattened too. I have a beam jig to do the hump area and jacks for the dip. I intend to add a stiffening brace afterward in the rear of the bridge area. However, Im aware of t...
by donnyb
Thu Dec 02, 2021 11:25 am
Forum: Instrument Builders Forum
Topic: Cole Clark & a Bridge Doctor
Replies: 0
Views: 21468

Cole Clark & a Bridge Doctor

Has anyone here ever tried to fit a bridge doctor device to a Fat Lady 2 ? With the larger piezo under bridge sensor ? Which might just be in the way. I'm currently flattening its belly bulge and would prefer after that to try the bridge doctor (which I can remove without damage, except for the brid...
by donnyb
Sat May 01, 2021 2:13 pm
Forum: Instrument Builders Forum
Topic: Miratone or Wattyl Stylewood
Replies: 18
Views: 28608

Re: Miratone or Wattyl Stylewood

Howdee, So I made the change from Wattyl Stylewood 95% to Miratone 3220 for my latest batch of soprano ukes and I thought I’d share my comparison of the products. In no particular order of importance- • They smell very different. Stylewood has (to my nose) the typical auto lacquer smell but the mir...
by donnyb
Sun Dec 23, 2018 10:03 am
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

I try to run the fret surfaces and the nut in the same plane, so fretted (or capo'd) at fret 3, the string just clears fret one. According to the analysis I mentioned before , the intonation error is more sensitive to fretting pressure than nut height. [/quote] [/i] Thanks Trevor. I have noticed tha...
by donnyb
Sat Dec 22, 2018 5:55 pm
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

Is that reference from one of your books ? Which one ? Yes, the Design book as Col mentioned. Apologies, I jumped to the assumption that as you were messing with nut compensation you would already have them. There's a 25 page chapter on compensation and intonation (Section 4.7, Design) with a few d...
by donnyb
Sat Dec 22, 2018 5:43 pm
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

colburge wrote:
Sat Dec 22, 2018 12:40 pm
It is a 2 volume set, one of them is the 'Design' volume and one of them is the "Build" volume.

Col
Thanks Col.
by donnyb
Sat Dec 22, 2018 12:30 pm
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

Trevor,

Is that reference from one of your books ? Which one ?
by donnyb
Thu Dec 20, 2018 9:25 pm
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

Thankyou Trevor. Amazing stuff. I have a lot to digest and learn, but it keeps life interesting ! First up...re the scale length, where does the number 1.0595 fit with quote "12th root of two and some are real rule of 18" ? I used the multiplier I quoted above (as stated by Stephen Delft in his arti...
by donnyb
Mon Dec 17, 2018 2:39 pm
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

At the risk of being a nuisance with multiple posts.... I decided to start again. Fitted another new set of strings 010-046 D'Darrio Fitted a new blank nut and filed slots to similar string heights of original nut Set up intonation from open to the 12th fret, not by the frets 1-13 method this time. ...
by donnyb
Sun Dec 16, 2018 5:56 pm
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

Thanks for that reply. I see you're in Brisbane. I'm at north Gold Coast . Yes, the guitar is my personal favourite (atm !) and is set up nicely, as I have all the gear for that part (Stew Mac love me), a precision based mechanical background, a lifetime of guitar playing in bands, but not a lifeti...
by donnyb
Sun Dec 16, 2018 1:10 pm
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

More information which might be helpful . Just rechecked all measurements. First the scale length. Epiphone Dot Nominated Scale Length : 24.75 " (628.65mm) Actual SL measured from 1st - 13th fret: 314.14mm x 2 = 628.28 mm = 24 47/64ths" = 24.735" Actual SL measured from nut face - 12 fret : 313.50mm...
by donnyb
Sun Dec 16, 2018 9:50 am
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

Thanks for that reply. I see you're in Brisbane. I'm at north Gold Coast . Yes, the guitar is my personal favourite (atm !) and is set up nicely, as I have all the gear for that part (Stew Mac love me), a precision based mechanical background, a lifetime of guitar playing in bands, but not a lifetim...
by donnyb
Fri Dec 14, 2018 9:47 pm
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Re: Compensated nut WIP

Thankyou Kiwigeo.
Ill see if I can find the book online.
Regards,
by donnyb
Fri Dec 14, 2018 6:50 pm
Forum: Instrument Builders Forum
Topic: Compensated nut WIP
Replies: 19
Views: 40261

Compensated nut WIP

https://i.imgur.com/nnhjIcf.jpg Hi, Im in the process of making a compensated nut for an Epiphone Dot, which is set up well overall, including minimum string clearances over the 2nd fret to help address some sharpness on all strings when fretted on the first 3-4 frets. Especially the 6th string (eg ...