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PostPosted: Fri Jun 22, 2007 7:54 pm 
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Koa
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Here's a few pics of a couple of OM's that are starting to take shape.

This is about my favourite part of construction. Seeing the body cleaned up so you can get an idea of what the appointments look like.

BTW I haven't forgotten about the OM twins. I'm just having trouble finding the time to record them.

First one
Lutz, Mahogany, Snakewood, BWB/Blackwood/BWB purfs.











Rock Maple, Englemann, Tortoiseshell, BWB/Blackwood/BWB purfs.









Cheers

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PostPosted: Fri Jun 22, 2007 8:01 pm 
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Brazilian Rosewood
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Looking good Bob

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". . . the one thing a machine just can't do is give you character and personalities and sometimes that comes with flaws, but it always comes with humanity" Monty Don talking about hand weaving, "Mastercrafts", Weaving, BBC March 2010


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PostPosted: Fri Jun 22, 2007 8:12 pm 
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Koa
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Dave, the Mahogany one is for the DADGAD guitar that you and Colin kindly gave me advice on a few months back.

It's not parabolic though. The customer decided he like the the sound of scalloped bottom end.

Cheers


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PostPosted: Fri Jun 22, 2007 8:17 pm 
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Brazilian Rosewood
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[QUOTE=bob_connor] The customer decided he like the the sound of scalloped bottom end,

[/QUOTE]

Bob,

Perhaps you could get together with Hesh and see if you can capture the "scalloped bottom end" part of the sound on mp3 I like my scallops pan fried

I bet that will be a great DADGAD guitar!

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De Faoite Stringed Instruments
". . . the one thing a machine just can't do is give you character and personalities and sometimes that comes with flaws, but it always comes with humanity" Monty Don talking about hand weaving, "Mastercrafts", Weaving, BBC March 2010


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PostPosted: Sat Jun 23, 2007 12:12 am 
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Two more notches of the bar at OLF.  They are both going to look great when finished up.

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PostPosted: Sat Jun 23, 2007 12:18 am 
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Nice....and I love that "f" port.

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 Post subject:
PostPosted: Sat Jun 23, 2007 1:50 am 
I think you convinced me to do snakewood on my mohogany dred I'm ready to bind.


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PostPosted: Sat Jun 23, 2007 2:07 am 
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Brazilian Rosewood
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Great work Bob,

Both lovely but ah that mahogany...simply beautiful wood.

Looks like a good year to be in Geelong

Cheers

Kim


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PostPosted: Sat Jun 23, 2007 2:14 am 
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Brazilian Rosewood
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Nice work Bob on both!! The "f" port is a very nice touch (quick trademark that). I really like the wide Paua rosette.

Both of those are going to look stunning under finish.


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PostPosted: Sat Jun 23, 2007 2:16 am 
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Looks great Bob! The sound port is nice!

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PostPosted: Sat Jun 23, 2007 9:37 am 
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Walnut
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Two incredibly  fine looking instruments./  I'll bet that maple was fun to bend?

thanks for sharing.





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PostPosted: Sat Jun 23, 2007 10:14 am 
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Koa
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Thanks everyone.

af_one - I had to take about 1mm thickness off the snakewood through the thickness sander before binding.
It completely wrecked the sandpaper in about 5 passes.
Some serious resin in this stuff.

Rich - the Rock Maple actually bent really easily with no cupping of the sides at all. I seem to remember we got distracted when we were bending them and the temp got too high (about 180C (360F))whereas we try to use 150C as a max temp.

The smell of overheating wood alerted to this but when we took them off the bender they were fine.

Beast of a wood to sand though. Very tough.

cheers

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PostPosted: Sat Jun 23, 2007 11:45 am 
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Koa
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bob, let me just give you a friendly little nudge towards recording the twins. ive been awaiting that for quite some time. kinda reminds me of a chevy vs ford small block shootout in a hot rod magazine. if you know what i mean... uh... wrong forum. anyways... great job on these om's as well!


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PostPosted: Sat Jun 23, 2007 12:06 pm 
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Brazilian Rosewood
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Very cool! Nice soundport!

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PostPosted: Sat Jun 23, 2007 2:08 pm 
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Bob, beautiful as usual.
I'm delighted you used maple. And in case I haven't said this recently, let me add: I LOVE maple! My experience is like yours, it bends easily, but makes up for it in the sanding. That's where it resists your will for sure.

And for Colin's sake, it should be said: I LOVE mahogany!
Great wood all-around, and you did it proud with that Snakewood.

Steve

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PostPosted: Sat Jun 23, 2007 11:09 pm 
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Very nice Bob. Was that sound port difficult to cut on the curved surface, or did you cut before bending?

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PostPosted: Sat Jun 23, 2007 11:54 pm 
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Very nice pair you got there!
The appontments are very tasty and well executed.

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PostPosted: Sun Jun 24, 2007 1:05 am 
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Koa
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Thanks again for all of your positive comments.

Heath - I'll make a concerted effort to get the twins recorded this week and up on the OLF. There is quite a bit of difference in the sound of the two guitars and the reaction of local guitarists who have compared them is interesting to say the least.

That's all I'm saying at this point in time. I'd rather throw the recordings up and let you make up your own minds.

The F hole sound port looks great but in any future ones I think we'd be looking at a different shape as the little pointy bits (that's a technical term) are very fragile. ie stylising it a little to leave out the points.

We put a veneer of Mahogony on the inside of the sides under the F hole to give it more support as I don't think they would have lasted very long as they were.

John - the F hole was cut after the sides were bent but before the top went on.

Steve - this Hard Rock Maple is tough. Put the random orbital on it with 100 grit and it just shouts back - WHAT ELSE YOU GOT !!! Don't have to pore fill it though which is a bonus.

I'm looking forward to hearing the Maple one. It's got an Englemann top to try and diffuse some the Maple fundamental tone, a Maple neck, which should give some nice sustain and it'll have a gidgee bridge weighing in at 36 grams to try and tame the top end and give an impression of enhanced bottom end.

Here endeth the theory lesson!!

All will be revealed when the strings go on.

Cheers




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 Post subject:
PostPosted: Sun Jun 24, 2007 4:39 am 
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Koa
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im on the edge of my seat...

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PostPosted: Sun Jun 24, 2007 4:54 am 
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Koa
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Very nice! I like the 'f' hole and the rock maple.


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PostPosted: Sun Jun 24, 2007 7:35 am 
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Koa
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Very nice Bob! You are really spitting these out quickly. I love the F hole sound port too. I did that on my Bouzouki last year. I get many comments about how much they like the soundport. Here is a pic of mine done in Koa:


I was going to do it on a tenor ukulele too. Thanks for sharing your builds. Love to see what others are up to.
Tracy

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PostPosted: Sun Jun 24, 2007 2:22 pm 
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Looking really nice Bob!


I've got to find me some snakewood bindings to go with the snakewood fretboard and bridge combo I have found.


Love the look!


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