Official Luthiers Forum!

Owned and operated by Lance Kragenbrink
It is currently Thu Nov 28, 2024 2:56 pm


All times are UTC - 5 hours


Forum rules


Be nice, no cussin and enjoy!




Post new topic Reply to topic  [ 59 posts ]  Go to page Previous  1, 2, 3  Next
Author Message
PostPosted: Tue Jan 21, 2020 12:06 pm 
Offline
Brazilian Rosewood
Brazilian Rosewood
User avatar

Joined: Thu Feb 12, 2009 12:12 pm
Posts: 3293
First name: Bryan
Last Name: Bear
City: St. Louis
State: Mo
Country: USA
Focus: Build
Status: Amateur
I've been working on binding a Katalox and Lutz parlor guitar. The top went fine.
Attachment:
IMG_0195.jpg


The binding and purfling (single line of veneer) have to fit in to the tail graft and the matching back strip in both directions. While I was focusing on routing in stages that would leave me enough room to fit them by hand, I failed to notice the router bit slipping in the collet. Now the rebate is too wide on one side from the lower bout to the tail. I stepped away for a few days to contemplate how I can get new katalox to fit in and not be obvious. Thank goodness it is a dark wood!

Attachment:
IMG_0200.jpg


You do not have the required permissions to view the files attached to this post.

_________________
Bryan Bear PMoMC

Take care of your feet, and your feet will take care of you.


Top
 Profile  
 
PostPosted: Tue Jan 21, 2020 12:18 pm 
Offline
Contributing Member
Contributing Member
User avatar

Joined: Fri Jul 10, 2009 4:44 am
Posts: 5498
First name: colin
Last Name: north
Country: Scotland.
Focus: Build
Status: Semi-pro
Ouch, hard to Bear!

_________________
The name catgut is confusing. There are two explanations for the mix up.

Catgut is an abbreviation of the word cattle gut. Gut strings are made from sheep or goat intestines, in the past even from horse, mule or donkey intestines.

Otherwise it could be from the word kitgut or kitstring. Kit meant fiddle, not kitten.


Top
 Profile  
 
PostPosted: Tue Jan 21, 2020 1:11 pm 
Offline
Koa
Koa
User avatar

Joined: Sun Jun 22, 2014 1:45 pm
Posts: 1484
First name: Michael
Last Name: Colbert
City: Anacortes
State: WA
Focus: Build
Bryan Bear wrote:
I've been working on binding a Katalox and Lutz parlor guitar. The top went fine.
Attachment:
IMG_0195.jpg


The binding and purfling (single line of veneer) have to fit in to the tail graft and the matching back strip in both directions. While I was focusing on routing in stages that would leave me enough room to fit them by hand, I failed to notice the router bit slipping in the collet. Now the rebate is too wide on one side from the lower bout to the tail. I stepped away for a few days to contemplate how I can get new katalox to fit in and not be obvious. Thank goodness it is a dark wood!

Attachment:
IMG_0200.jpg


Dang!

Curious - what model/brand was the offending router?

M


Top
 Profile  
 
PostPosted: Tue Jan 21, 2020 1:35 pm 
Offline
Brazilian Rosewood
Brazilian Rosewood
User avatar

Joined: Thu Feb 12, 2009 12:12 pm
Posts: 3293
First name: Bryan
Last Name: Bear
City: St. Louis
State: Mo
Country: USA
Focus: Build
Status: Amateur
Michaeldc wrote:

Curious - what model/brand was the offending router?

M


Believe it or not, I am using a Harbor Freight laminate trimmer for this operation. I was lucky enough to get one that worked well years ago and has never caused me any problems. I keep telling myself that I am going to upgrade but I never do. . .

This really is my fault, I didn't mean to sound like I was blaming it on the router collet. I use the Stew Mac bearing set-up. I had been changing bearings several times as I did test cuts trying to decide if I wanted to do a separate ledge for the single perfling veneer on the inside or glue it all in as one rebate but cut shallower at the graft (by taping veneer on the tail) so I could fit the miter by hand. The bit had also been mounted since I did the top and changed the bearings for that too.

I unplug the router and put the wrench on the router shaft to hold it still when I loosen and tighten the allen screw for the bearing. I remember being heavy handed a few times when turning the allen screw and causing the bit to rotate in the collet. I should have been double checking that it was all still nice and tight. Lesson learned!

_________________
Bryan Bear PMoMC

Take care of your feet, and your feet will take care of you.


Top
 Profile  
 
PostPosted: Tue Jan 21, 2020 1:42 pm 
Offline
Contributing Member
Contributing Member
User avatar

Joined: Wed Oct 08, 2008 11:36 am
Posts: 7380
Location: Southeast US
City: Lenoir City
State: TN
Zip/Postal Code: 37772
Country: US
Focus: Repair
Hey Bryan, that really sucks. Hope you can get a good repair on that. I had a router bit slip on me last year doing a rosette. I was able to fix it but wasted quite a few hours doing it. I broke down and spent the money on a DeWalt 611 laminate trimmer and a Precise Bits collet, I figure it was a reasonable cost to be sure I avoid the problem again.

_________________
Steve Smith
"Music is what feelings sound like"



These users thanked the author SteveSmith for the post: Colin North (Tue Jan 21, 2020 2:47 pm)
Top
 Profile  
 
PostPosted: Tue Jan 21, 2020 3:20 pm 
Offline
Brazilian Rosewood
Brazilian Rosewood

Joined: Sun Mar 30, 2008 8:20 am
Posts: 5968
Hi Bryan,
You might want to consider making it a Jimmie Rodgers Special by Weymann, with the "rib" style binding.
Sometimes bits slip because they "bottom out" in the spindle cavity which doesn't allow the collet to tighten around the bit (although it feels tight)



These users thanked the author Clay S. for the post: Pmaj7 (Tue Jan 21, 2020 4:28 pm)
Top
 Profile  
 
PostPosted: Tue Jan 21, 2020 5:57 pm 
Offline
Contributing Member
Contributing Member

Joined: Fri Jan 11, 2013 2:26 pm
Posts: 488
First name: Carl
Last Name: Dickinson
City: Forest Ranch
State: California
Zip/Postal Code: 95942
Country: USA
Focus: Build
Status: Amateur
I used Clay's suggestion a couple of times. Once when I sanded a hole through a quilted maple side next to the binding (asked for advice here) and another time on my first attempt at attaching binding w/CA, leaving numerous gaps on the lower edge. Both times they came out looking better than they might have without the mistakes.


Top
 Profile  
 
PostPosted: Tue Jan 21, 2020 9:04 pm 
Offline
Contributing Member
Contributing Member
User avatar

Joined: Thu Jul 16, 2009 2:19 pm
Posts: 614
Location: Sugar Land, TX
First name: Ed
Last Name: Haney
City: Sugar Land (Houston)
State: Texas
Zip/Postal Code: 77479
Country: USA
Focus: Build
Dave m2 wrote:
Nearing completion of a falcate braced steel string. American black Walnut with Sitka top. I am planning to do nut as well as saddle compensation and there was a lot of head scratching to decide on string length, given that the bridge position is fixed at an early stage in this design. We'll see if we got it right at the end!

Dave


Dave,

Very nice looking work.

I plan to do a falcate at some point too. I've given much thought to the bridge location challenge/pain. The typical pinless bridge is a pain for luthiers, but would solve the building challenge associated with Trevor's falcate. I have about decided to tackle the pinless bridge that Jeffery R. Eliott designed (https://www.elliottguitars.com/steel-string-model.html) and Mike Doolin copied (Doolin gives credit to Eliott). Mike's site has details on the parts' specs and design of this pinless bridge that is easy for luthiers to work on, since there are no holes for which the strings pass through to lock them in.



These users thanked the author Ed Haney for the post: Dave m2 (Wed Jan 22, 2020 5:10 pm)
Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 12:13 am 
Offline
Brazilian Rosewood
Brazilian Rosewood

Joined: Wed Feb 20, 2008 7:15 pm
Posts: 7380
First name: Ed
Last Name: Bond
City: Vancouver
Country: Canada
Focus: Build
Status: Professional
Got a sweet walnut SJC bear the door...Image



These users thanked the author meddlingfool for the post: Ken Jones (Sat Jan 25, 2020 8:26 am)
Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 12:55 am 
Offline
Koa
Koa
User avatar

Joined: Thu Nov 21, 2013 2:03 pm
Posts: 569
First name: Toonces
Last Name: the Cat
City: New Smyrna Beach
State: FL
Country: United States
Focus: Build
Status: Amateur
Killer Walnut, Ed !!!



These users thanked the author Toonces for the post: meddlingfool (Wed Jan 22, 2020 2:39 pm)
Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 3:33 am 
Offline
Contributing Member
Contributing Member
User avatar

Joined: Fri Jul 10, 2009 4:44 am
Posts: 5498
First name: colin
Last Name: north
Country: Scotland.
Focus: Build
Status: Semi-pro
Killer indeed, nearly had a heart attack when I saw that!

_________________
The name catgut is confusing. There are two explanations for the mix up.

Catgut is an abbreviation of the word cattle gut. Gut strings are made from sheep or goat intestines, in the past even from horse, mule or donkey intestines.

Otherwise it could be from the word kitgut or kitstring. Kit meant fiddle, not kitten.


Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 5:26 am 
Offline
Walnut
Walnut
User avatar

Joined: Thu Oct 03, 2019 6:48 am
Posts: 28
First name: Fred
Last Name: Overend
State: Lancashire
Country: United Kingdom
Focus: Build
Status: Amateur
Michaeldc wrote:
Today I gave cutting a mandolin bridge on my cnc a try. I’m able to cut the radius in the saddle along with basic compensation. I’m also able to mark the string locations, saving a bunch of time on initial setup. A couple more tweaks to the drawing and a couple to the code and that’ll be that about that.

Best, M


That's looking good. I have been experimenting with Richlite this week. I used it for a fret board and used the end to make this string anchor for the pin-less bridge. This stuff is incredibly tough to say it is made from paper. It loves tools but tools hate it - that is, it machines as clean and precise as aluminium but really takes it out on the tool bit compared to any wood.


You do not have the required permissions to view the files attached to this post.

_________________
https://overendsite.wordpress.com/2017/ ... -complete/



These users thanked the author Fred O for the post (total 2): Durero (Mon Jan 27, 2020 2:15 am) • Pmaj7 (Wed Jan 22, 2020 7:49 am)
Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 7:36 am 
Offline
Brazilian Rosewood
Brazilian Rosewood

Joined: Sun Mar 30, 2008 8:20 am
Posts: 5968
Richlite is essentially machinable phenolic, similar to Bakelite that was used in the old radio cases. Tough stuff.


Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 10:10 am 
Offline
Cocobolo
Cocobolo

Joined: Thu Aug 15, 2019 12:00 pm
Posts: 255
Location: Tennessee
First name: Terry
Focus: Build
Status: Professional
Deleted


Last edited by TerrenceMitchell on Wed Jan 22, 2020 10:14 am, edited 1 time in total.

Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 10:12 am 
Offline
Cocobolo
Cocobolo

Joined: Thu Aug 15, 2019 12:00 pm
Posts: 255
Location: Tennessee
First name: Terry
Focus: Build
Status: Professional
Working on the second Jumbo. Trying to complete this one in 4 weeks, including some design changes to alter the tone. Using all the same woods as the first one to try and make good comparisons and learn as much as possible about the impact of changes.

If these pics don't rotate correctly, I give up!


You do not have the required permissions to view the files attached to this post.



These users thanked the author TerrenceMitchell for the post: Pmaj7 (Wed Jan 22, 2020 2:33 pm)
Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 10:33 am 
Offline
Koa
Koa

Joined: Sat Mar 09, 2019 4:50 pm
Posts: 1259
Location: Goodrich, MI
First name: Ken
Last Name: Nagy
City: Goodrich
State: MI
Focus: Build
Status: Amateur
That fretboard, head and bridge are awesome. What kind of wood is that? Inlays too! I can't even glue my head on straight!

_________________
Why be normal?


Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 11:26 am 
Offline
Cocobolo
Cocobolo

Joined: Thu Aug 15, 2019 12:00 pm
Posts: 255
Location: Tennessee
First name: Terry
Focus: Build
Status: Professional
Ken Nagy wrote:
That fretboard, head and bridge are awesome. What kind of wood is that? Inlays too! I can't even glue my head on straight!


Thanks Ken. It's Cocobolo, all from the same board. Of course, it will all continue to darken until it's about the color of the darker areas of the fretboard. But I love that wood. Wish it wasn't getting so hard to acquire nice pieces.

I have a local dealer that has small pieces so I can pick just what I want, but $60/bf.



These users thanked the author TerrenceMitchell for the post: Pmaj7 (Wed Jan 22, 2020 2:34 pm)
Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 11:35 am 
Offline
Brazilian Rosewood
Brazilian Rosewood
User avatar

Joined: Thu Feb 12, 2009 12:12 pm
Posts: 3293
First name: Bryan
Last Name: Bear
City: St. Louis
State: Mo
Country: USA
Focus: Build
Status: Amateur
meddlingfool wrote:
Got a sweet walnut SJC bear the door...


Wow, that walnut is amazing and your choice of self binding with those thin purflings was just perfect!

Fantastic!

_________________
Bryan Bear PMoMC

Take care of your feet, and your feet will take care of you.


Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 1:10 pm 
Offline
Brazilian Rosewood
Brazilian Rosewood

Joined: Tue May 13, 2008 10:44 am
Posts: 6256
Location: Virginia
Yeah Ed that there one is a real looker!


Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 2:35 pm 
Offline
Contributing Member
Contributing Member
User avatar

Joined: Sat Jan 31, 2009 8:50 pm
Posts: 2257
Location: Seattle WA
Focus: Build
Status: Semi-pro
Wow awesome fretboard Terrence! Too bad that it will darken. Isn't there some kind of cocobolo that will not darken?

Pat

_________________
Pat


Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 2:44 pm 
Offline
Brazilian Rosewood
Brazilian Rosewood

Joined: Wed Feb 20, 2008 7:15 pm
Posts: 7380
First name: Ed
Last Name: Bond
City: Vancouver
Country: Canada
Focus: Build
Status: Professional
Thanks folks! Down to my last four sets which are all spoken for...:(

Alas, one cannot have one's wood and build it too...

OK, Fred, you can't just drop a pic like that and not tell us of your pinless bridge design!


Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 3:42 pm 
Offline
Cocobolo
Cocobolo

Joined: Thu Aug 15, 2019 12:00 pm
Posts: 255
Location: Tennessee
First name: Terry
Focus: Build
Status: Professional
Pmaj7 wrote:
Wow awesome fretboard Terrence! Too bad that it will darken. Isn't there some kind of cocobolo that will not darken?

Pat


Unfortunately not. You should see it right when it’s cut. Looks like a rainbow inside. Very striking.



These users thanked the author TerrenceMitchell for the post: Pmaj7 (Wed Jan 22, 2020 3:43 pm)
Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 5:12 pm 
Offline
Cocobolo
Cocobolo

Joined: Sun Oct 09, 2016 12:18 pm
Posts: 403
Location: Somerset UK
State: West Somerset
Country: UK
Focus: Build
Status: Amateur
Ed thanks for that. I have thought a few times of using that sort of string termination. Will look at your links.


Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 5:17 pm 
Offline
Walnut
Walnut
User avatar

Joined: Thu Oct 03, 2019 6:48 am
Posts: 28
First name: Fred
Last Name: Overend
State: Lancashire
Country: United Kingdom
Focus: Build
Status: Amateur
meddlingfool wrote:

OK, Fred, you can't just drop a pic like that and not tell us of your pinless bridge design!


Hi Ed, I've always liked the pinless bridge on my Lowden both aesthetically and for ease and speed of string changing. However, my biggest fear is the wood splitting along the line of holes or the bridge pulling away from the soundboard. I know this is probably irrational but no doubt that would happen to me. So I decided to try a two part bridge with the top part bolting through the soundboard to the bridge plate underneath. I feel this gives more strength and also compresses the bridge to the soundboard in the same way pins would. I tried this on an experimental body I have with an aluminium top which worked really well when strung up. This was a rough model and for me, the aluminium was a bit too 'bling' so I thought I would give the Richlite a go.


You do not have the required permissions to view the files attached to this post.

_________________
https://overendsite.wordpress.com/2017/ ... -complete/



These users thanked the author Fred O for the post: meddlingfool (Wed Jan 22, 2020 10:47 pm)
Top
 Profile  
 
PostPosted: Wed Jan 22, 2020 5:23 pm 
Offline
Cocobolo
Cocobolo

Joined: Thu Aug 15, 2019 12:00 pm
Posts: 255
Location: Tennessee
First name: Terry
Focus: Build
Status: Professional
Pmaj7 wrote:
Wow awesome fretboard Terrence! Too bad that it will darken. Isn't there some kind of cocobolo that will not darken?

Pat



This was the fretboard just after milling it out of the blank I used:


You do not have the required permissions to view the files attached to this post.



These users thanked the author TerrenceMitchell for the post: Pmaj7 (Wed Jan 22, 2020 6:08 pm)
Top
 Profile  
 
Display posts from previous:  Sort by  
Post new topic Reply to topic  [ 59 posts ]  Go to page Previous  1, 2, 3  Next

All times are UTC - 5 hours


Who is online

Users browsing this forum: KyleU and 39 guests


You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot post attachments in this forum

Jump to:  
Powered by phpBB® Forum Software © phpBB Group
phpBB customization services by 2by2host.com