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-   -   Build Thread: Dehradun Lutz/Wenge SJ (https://www.acousticguitarforum.com/forums/showthread.php?t=443382)

tkoehler1 09-16-2016 10:49 PM

Build Thread: Dehradun Lutz/Wenge SJ
 
I have a great custom cedar topped fingerstyle guitar built for me my Christian Druery, but sometimes you want to smack down a spruce topped guitar and revel in the power. So I searched to find a builder who would indulge me with an offset sound hole and found Dehradun guitars here on AGF. Besides making great guitars they have a very inspirational story. They are based in India and they change lives with lutherie. Here's their video:





I talked to Dave Murray at Dehradun about what I wanted. He is a great guy and very knowledgeable. In the end I chose:

Lutz spruce top
Wenge B/S
Small Jumbo size (Dave feels this shape has the best string to string balance)
Venetian cutaway
24.9" scale
16" radius
jumbo frets
thumb scallops (to help those hard to reach over stretches)
1 3/4 nut
2 1/4 saddle
Sound port (love 'em), eventually it became a bass port.
armrest
Gotoh 21:1 tuners

Dave suggested a cantilevered fretboard and a tail piece so I went with those as well. Both were new concepts to me but the way Dave explained the benefits it made sense.

Here's the initial design:


http://i1267.photobucket.com/albums/...ps8hebocw1.jpg


http://i1267.photobucket.com/albums/...psupdoaeob.png


http://i1267.photobucket.com/albums/...psjf3xcewo.jpg


http://i1267.photobucket.com/albums/...ps4ajubvps.png


http://i1267.photobucket.com/albums/...psqt4abzgk.png


Last here's the Lutz David selected:


http://i1267.photobucket.com/albums/...ps2nxwybqq.jpg


Onto the build!

Halcyon/Tinker 09-17-2016 01:18 AM

That's some piece of lutz right there!

JamesO 09-17-2016 10:05 AM

I don't even care about the guitar after watching the video. What an incredible thing they're doing.

GeoffStGermaine 09-17-2016 10:12 AM

Looks like this will be a very cool guitar! That Lutz is spectacular and I really like the design. The cantilevered neck, offset sound hole and bridge/tailpiece design are very interesting design concepts. I'm looking forward to seeing this guitar take shape.

tkoehler1 09-17-2016 01:26 PM

Quote:

Originally Posted by JamesO (Post 5069057)
I don't even care about the guitar after watching the video. What an incredible thing they're doing.

It truly is incredible. The guitars are really world class instruments, built by a ragtag group who the world said would never amount to anything. Buying from them is a definitely win-win.

I think Dave Murray and his wife (who also started a business in India - clothes I think) are unbelievable people.

There's a few more videos on vimeo, the tour vid is really revealing.

https://vimeo.com/user14977553

bajawatt 09-17-2016 09:09 PM

Love the mission and execution. Looking forward to the thread.

gitarro 09-18-2016 12:19 AM

Very interesting bracing - the sound profile is bound to be very different indeed. What are you aiming for tone wise?

I also like the structural lengthwise strut that reminds me of the Larson guitars. Is that wood or carbon fiber rods ? That should help reduce the likelihood of a neck reset being needed in the future.

If I were you, I would consider 13th fret configuration. I played a 13 fret short scale Dehradun SJ that was vey nice indeed.

Jeff Scott 09-18-2016 02:02 PM

Cool! The sound hole reminds me of a National Tricone :)

tkoehler1 09-18-2016 08:30 PM

The fate of guitar #1
 
Quote:

Originally Posted by gitarro (Post 5069757)
Very interesting bracing - the sound profile is bound to be very different indeed. What are you aiming for tone wise?

I also like the structural lengthwise strut that reminds me of the Larson guitars. Is that wood or carbon fiber rods ? That should help reduce the likelihood of a neck reset being needed in the future.

If I were you, I would consider 13th fret configuration. I played a 13 fret short scale Dehradun SJ that was vey nice indeed.

Gitarro brings up an interesting point. Moving the sound hole brings up many opportunities for doing things differently, including carbon fiber rods (for strength) and bracing. David wanted to try a different bracing pattern that he fretted and fretted over. In the end he decided to build two guitars in parallel - one with experimental bracing and a zero torque bridge (the experiment) and one with lattice bracing and a pass thru bridge (the proven back up). Both guitars would be braced with Adirondack.

I'm not sure what the goal for tone was at this point. I just wanted a great guitar that I could play hard without it breaking up. We did talk about joining at the 13th fret, but I think the guitar was too far along at that point to do it. I have no regrets about this guitar, but if I would do it again I would go with a 13th fret join.

About the experimental bracing, Dave said: The nice thing about the zero moment bridge & tailpiece design is that it allows us to build the bracing for tone, rather than structure (of course the two are interdependent actually). I’ve attached a picture of the planned bracing layout for that model. I’m calling it Mongrel Kasha bracing. Even, with lots of different bracing lengths to produce varied harmonic content. We'll focus during voicing on encouraging movement around the long axis of the bridge, which the strings between the bridge and tailpiece will otherwise restrict.

Here's a few pics:


http://i1267.photobucket.com/albums/...pscb1b4ogq.jpg


http://i1267.photobucket.com/albums/...psnhqm5xs8.jpg


http://i1267.photobucket.com/albums/...psybwyfipe.jpg


http://i1267.photobucket.com/albums/...psugv3vnxk.jpg


Unfortunately, the bracing on #1 did not work out. As we got near the end of the build, Dave was sending me updates. Then I just got a short email saying that he had gotten the guitar strung up and played it, and the sound was not for me. It was a "bit thin out front". Another time he said the guitar was just too loose. I was a little shocked to be honest because things were going so swimmingly. I expected Dave to be emotional about it but he was not. All he said was that sometimes things don't work, that's why we have #2.

Here's the last two pics of #1 as it was nearing the end of it's build:


http://i1267.photobucket.com/albums/...pshmxhgnss.jpg


http://i1267.photobucket.com/albums/...psyfvolhwb.jpg


Next - on to guitar #2!

LSemmens 09-18-2016 08:46 PM

What a fantastic business! I wish them all the best, and, if I am ever in the market for a custom instrument will have them at the top of my list. Your new guitar is going to look fantastic, tkoehler1, I hope it sounds even better!!!

tkoehler1 09-20-2016 08:14 PM

#2 - the keeper
 
Okay let's see how #2 progressed:


Putting together the top:

http://i1267.photobucket.com/albums/...psd0fhcaj4.jpg


Ajay carving the lattice bracing:


http://i1267.photobucket.com/albums/...psiiape446.jpg


The sides:

http://i1267.photobucket.com/albums/...psevn6wr93.jpg


Bass port installed:


http://i1267.photobucket.com/albums/...psumukjq14.jpg


Rahul laying out the carbon fiber rods:


http://i1267.photobucket.com/albums/...psayenyv7s.jpg


Sound hole binding:


http://i1267.photobucket.com/albums/...psvy7egvy0.jpg


Vishal inlaying the marquetry:


http://i1267.photobucket.com/albums/...psypyggrqm.jpg


Scalloped frets!


http://i1267.photobucket.com/albums/...psg5cb0nvy.jpg


The tailpiece:


http://i1267.photobucket.com/albums/...psb9wiuoth.jpg


Last but not least the bridge:


http://i1267.photobucket.com/albums/...ps0pzhfpin.jpg

tkoehler1 09-20-2016 08:24 PM

It's done!
 
Here's the professional photos of this beauty. She's done and arrived at my house last week. I am beyond thrilled to have a guitar of this caliber. Everything about it is beautiful, and what a thrill to look in the bass port and see all the men's signatures on the sound board!


http://i1267.photobucket.com/albums/...pshdwxaihn.jpg


http://i1267.photobucket.com/albums/...ps4oomlzly.jpg


http://i1267.photobucket.com/albums/...psbynmpowj.jpg


http://i1267.photobucket.com/albums/...psn48hzili.jpg


http://i1267.photobucket.com/albums/...pswmyv8fwd.jpg


She sounds just as good as she looks.



gitarro 09-20-2016 08:52 PM

May I be the first to say that is just a lovely looking guitar!

RJVB 06-11-2019 03:12 AM

May I not be the last to second that! :)

The "echo" of the cutout in the headstock is a nice little detail, and that bridge/tailpiece design looks like a best-of-several-worlds solution.

But what are thumb scallops?

How has she been ageing?

tkoehler1 06-11-2019 07:25 AM

Weird thing was, even though the guitar was almost perfect, I eventually sold it.

It was a very long build from start to finish - almost 2 years IIRC. Shortly after commissioning it I started playing classical guitar. Once it arrived I took it out of the case, marveled at it, played a bit, then put it away and went back to nylon.

It was a shame to let it sit so a year later I sold it and used the funds to buy a custom Jeremy Clark classical.

My practicality won out in the end.

The thumb scallops were great - here's a thread about them https://www.acousticguitarforum.com/...d.php?t=343608

The other weird thing is, after 5 years, I'm finally starting to listen/play steel strings again. I really think my brain needed a break from them. I can still find the high pitched "shimmer" of a steel string annoying sometimes, but much less than before.

TK


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