Chad McCormack's "Equator" Semi-Hollow

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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Markku Nyytäjä » Thu Oct 18, 2012 5:17 am

That's a beautiful guitar! Nice woods and admirable woodwork. Any sound clips?
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Chad McCormack » Thu Oct 18, 2012 1:01 pm

Thanks Markku. No sound clips just yet, but hopefully that can happen over the weekend. I will definitely post some.
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Chad McCormack » Tue Nov 06, 2012 3:11 pm

Here's a youtube link for a bit of audio:

http://www.youtube.com/watch?v=UIl0JYDiXLQ
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Chuck Raudonis » Wed Nov 07, 2012 12:14 am

Very nice tight tone. Thanks for sharing
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Warren May » Wed Nov 07, 2012 8:29 am

Nice!
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Jeff Mills » Mon Nov 12, 2012 12:29 am

I really like your design and the woodworking looks super clean.
Experience is a strange thing - You get it right after you needed it.
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Perry Colomb » Thu Nov 22, 2012 2:26 am

That is sharp!! Love the equator binding :D
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Bob Francis » Thu Nov 22, 2012 1:52 pm

Really nice!
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Jairo Eduardo Suarez Gallardo » Wed Nov 28, 2012 3:22 pm

Nice work! I love it.
Jairo Eduardo Suárez Gallardo.
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Darrell Baschak » Wed Jan 09, 2013 8:42 pm

Great looking guitar Chad, seems like quite a challenging project but you have done an amazing job! The walnut looks great and the inlay is superb.
Darrell Baschak Fine Artist & Novice Guitarist
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Eric Baack » Wed Jan 09, 2013 11:59 pm

that is a beautiful instrument. very nice
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Adam Savage » Sat Jan 19, 2013 11:07 am

Chad - that's a beautiful looking guitar there, and I especially like the nature of the carved heel.
I wonder if I could ask you a couple of questions. Despite not having finished my first home electric build (though it is progressing!), I am planning the second one already and I want to try my hand at a semiacoustic/hollowbody, and I am impressed by the clean lines of your build. Are there any particular pitfalls to be wary of in following a simillar construction design? Would I be correct in thinking that the way PRS do their hollowbodies is simillar? If I decide to do a carved top/back, would the same principles apply? (i.e. rout out the chambers, but use a blank a little thicker to accomodate the carving, which would effectively be only an outside arch?)
Thanks for any help, and apologies for hijacking the thread a little!
Cheers,
Adam
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Chad McCormack » Sat Jan 19, 2013 10:27 pm

Thanks for the kind words, Adam. I'll Q&A with you over PM if that's alright. Perhaps some more knowledgeable folks can chime in regarding PRS (and the like) semi-hollow construction. I'm pretty sure this approach of mine is unique in the realm of semi-hollows, as my design is basically a clam shell with the binding around the middle of the instrument rather than the typical drop-top style of construction which would be a chambered body with f-holes in and binding around the drop top.
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Greg Robinson » Sun Jan 20, 2013 7:58 pm

Chad and Adam,
Please keep the discussion public, where we can all benefit from it! That's the point of this forum, and it's value is in the contribution of members.
Thanks.
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Eric Baack » Sun Jan 20, 2013 8:24 pm

I think the PRS SE hollow bodies have a flat top on them. The carved top hollow bodies probably are carved out on the back side of the cap and then the cap is glued on and then the top carve is machined.
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Jim Bonnell » Sun Jan 20, 2013 10:21 pm

Very nice looking. Thanks for sharing your process.
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Art Davila » Wed Jan 23, 2013 11:37 pm

Do you have any photos of how you attached the neck? I really love that neck joint.
I have a lot of experience on how "not" to do things.
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Chad McCormack » Thu Jan 24, 2013 9:03 pm

Thanks Art. I don't really have any good photos of the heel block prior to setting the neck, but here's what I do have:

Setting the neck.jpg


You can see the heel block right under the 16th fret. Once the neck is glued and set, it's just a matter of rasp/file/scrape/sand until it looks and feels like what I want:

Sculpting the heel.jpg
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Art Davila » Fri Jan 25, 2013 12:56 am

Wow that was serious chuck of wood to rasp and file.
Did you use any power tools to get it close and then use hand tools, or was it just hard work and dedication.
Cause I gotta be honest, I tend not to be all that great at using a wood rasp and file.
(experience limited to shop class back in 1979 do not remember ever getting good at that.)
I have done all and claw feet on furniture with a flex shaft and motor but I have such limited experience with the hand tools.
I guess the best way for me to learn this stuff,
is to find the cheapest scrap wood near the same hardness and make some woodchips making neck heels till I feel that I could have a go at the more expensive woods.
I have a lot of experience on how "not" to do things.
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Re: Chad McCormack's "Equator" Semi-Hollow

Postby Barry Daniels » Fri Jan 25, 2013 9:34 am

Be aware that not all rasps are equal. Having the right tools is 50% of the formula. The old 4-in-1 rasp that you find in most hardware stores is not the same as a Nicholson rasp or some of the other specialty brands that are now available.
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