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Author: Subject: My next next oud...
Dr. Oud
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[*] posted on 6-28-2006 at 02:23 PM


OK, I understand how parabolas focus electromagnetic waves, but my understanding of sound waves is that they act on the air (or water) molecules to create vibrations that propogate rather than eletromagnetic waves that act more like projected or uni-directional waveforms. My point is that even if you stand behind a speaker, you will hear the sound (although muted) but if you stand behind a flashlight, you're still in the dark. no?



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Elie Riachi
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[*] posted on 6-28-2006 at 04:16 PM


Hi Doc,

My reply is a new topic in the Questions forum.
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Jameel
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[*] posted on 7-3-2006 at 07:12 PM


One other technique I've learned I wanted to share.

Instead of simply relying on a curved line drawn on the rib itself, or pre-cutting the rib to shape, in order to correctly place the rib so it follows the curve of the bowl, its necessary to place the square and bent rib next to the previous one. I then rotate the rib down at the widest point of the bowl, causing the two ends to raise up, until the angle is correct at the widest part of the bowl and the rib is sitting nicely on the mould. The parts that are raised up represent the part of the rib that needs to be removed. I usually sketch this by eye on the rib, and saw it off, staying away from the line, then true it up on the inverted plane. When I get close to a straight line from tip to tip I stop planing and begin tweaking the bend and twist of the rib so it sits nice on the mould all along. This will inevitably cause some more planing to tweak the edge, but that it why the rib was kept square, to allow some extra stock. When the rib fits well, I mark the final dimensions of the rib from the marks on the mould and saw and plane to these marks.




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Jameel
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[*] posted on 7-3-2006 at 07:14 PM


See how the shape of this bowl departs from the mould? This is intentional. :D



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Jameel
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[*] posted on 7-3-2006 at 07:19 PM


The bowl is finished. I would have to say that this was by far the most difficult of the three bowls I've made. Building open-mould (ala Dr. Oud) was the easiest. But I would have to say that for complex shapes, I'm going to have to rely on a mould. And the next mould will definitely have flats, in order to more accurately guide the process.



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Jameel
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[*] posted on 7-3-2006 at 07:21 PM


Another view. The curved-around (100 degree) tail end is a bit difficult to capture, especially with my cheap digital camera, which has a wide-angle lens that distorts everything. Isn't that cherry wood purdy!?



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Jameel
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[*] posted on 7-3-2006 at 07:25 PM


Here you can see more clearly the departure in shape from the mould. The oud on top was made with the same mould. The area behind the neck is deeper (only about 1cm though) and the tail end also has a deeper area (this is more evident when viewed from the front), plus the curved-back tail end is also somewhat visible. In all, this makes the oud look a bit less deep than the top one, when it fact it contains a greater amount of space.



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[*] posted on 7-3-2006 at 07:30 PM


Looks nice Jameel...
Its a Classic in the works if you ask me. Thanks for posting your developements
following any of your projects is always wonderfull. So I just want to encourage and congradulate you for your dedication and professionalism.
Keep it up
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[*] posted on 7-3-2006 at 07:42 PM


Very nice Jameel, I agree that cherry looks great. I can not wait to see the final out come of this project. I have a feeling that it will not be too far away.
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Jonathan
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[*] posted on 7-4-2006 at 06:48 AM


Incredible, Jameel. I always thought an oud should have two different types of wood, and that the wood should be separated by purfling. That was the "look" that I really liked.
But, your ouds really make me rethink that. You use incredible wood, and you really let the wood speak for itself. It is a very elegant, very refined look, and I cannot imagine anything better. And the craftsmanship is always stunning.
I don't know if any of that makes sense, but I hope you get the idea.




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[*] posted on 7-5-2006 at 02:25 AM


Hi Jameel,

again as expected another master piece, well done

all the best,

Awad:applause::applause::applause:
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[*] posted on 7-5-2006 at 03:34 AM


Jameel--Just a quick question on the technique for sizing the ribs that you mentioned earlier.
Are you just cutting one side of the rib, then? It seems like, with this technique, the opposite side remains untouched.? I am guessing that you just sand that side to give it the right angle at the edge, or am I wrong?
Thanks




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[*] posted on 7-5-2006 at 07:47 AM


Beautiful! :applause:



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[*] posted on 7-5-2006 at 09:16 AM


Thanks fellas.

I like the look of just one species for the bowl. It's also easier! (my secret reason :D)

Jonathan, I am cutting just one side. The other side remains untouched until I get close to having the opposite side fit. When I am very close (just a bit of fine sanding or filing) I go ahead and cut the open side to shape.

Yes, I just plane and sand the open side to match the marks on the mould. If there are twists in the rib, then it won't necessarily sit flat on the sanding board, but it still works. Just make sure the edge is as smooth a line as you can, it will make fitting the next rib easier. You can also just make it flat, and fit the next rib to it. 6 of 1, 1/2 dozen of other.




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Jonathan
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[*] posted on 7-5-2006 at 01:15 PM


I can't wait to try it. Thanks!



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[*] posted on 7-5-2006 at 06:12 PM


Jameel, I hate to keep bugging you with questions, but I learn so much from you.
What do you have attached on the bottom of your form? It looks like you have it attached from the form, to a block of wood, and then mounted in your vice. Is there a brand name? It looks like it would make things a lot easier.
Again, thanks. I really appreciate it.




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[*] posted on 7-5-2006 at 06:28 PM


No problem, Jonathan. It's a RAM mount. I got that when I was working on the last oud.

Check page 2 of "My Next Oud Project" thread

I bought it here:

http://www.gpscity.com/item-ram-mount-double-round-plate-assembly/r...




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[*] posted on 7-7-2006 at 09:40 AM


You guys have got this oud making down to a science!!!!!!! Pefected tried and pefected again. Reading and watching the process makes me want to get started on building my next one which is long over due. Jameel and Jonathan and Hosam what inspiration, this is great. I am thrilled watch you build and perform oud magic in front of our eyes. BRAVO!
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[*] posted on 7-10-2006 at 07:08 PM


Jameel, that approach to fitting the ribs really openned my eyes. It helps a lot. Thanks!



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[*] posted on 7-11-2006 at 05:52 PM


I hope it helps you Jonathan. That's why I posted it. It's just something I gleaned from others and it worked for me.....

Andy. Far from perfection. I'm just getting started. Your website is perhaps one of the first I saw when I started building ouds, so I'm definitely your junior when it comes to oud making.




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[*] posted on 7-11-2006 at 05:58 PM
Tail inlay, neck joint


Here are some more pics of the progress.

I'm trying another neck method this time around. This is a dovetail and stringer ala Doc O. I thought I would combine the mechanical strength of a dovetail with Doc's stringer. I'm also going to veneer this neck. It's made from vertical grain linden (lime, basswood). The extra thickness has not yet been removed. I'll do that after I get the face braced and ready to glue, that way my angles won't change in the meantime. Oh yeah, the inlay and pegbox cap are ivory linen Micarta. Just trying this material on this "experimental" oud. So far I like it. It looks very much like real ivory (well, not REAL close up). I'll just tell you all that I am trying my best to do something really special with this particular instrument. I can't reveal anything yet, but to my knowledge, it will be a first.




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[*] posted on 7-11-2006 at 05:59 PM


The outline of the face traced from the bowl itself. You can see how much I changed the shape from the previous oud.



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[*] posted on 7-11-2006 at 06:00 PM


The bowl edge trimmed flat. This is the final shape and size.



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[*] posted on 7-11-2006 at 06:01 PM


Tail end curve. Not so curvy, but it was tricky to make



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[*] posted on 7-11-2006 at 06:06 PM


Paper strips installed. This time I put some across the ribs as well.



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