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phavriluk
 Post subject: Re: Efficiency…
PostPosted: Sun Apr 23, 2023 2:49 pm 
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Koa
Koa

Joined: Mon Feb 13, 2012 8:49 pm
Posts: 1041
First name: peter
Last Name: havriluk
City: granby
State: ct
Zip/Postal Code: 06035
Country: usa
Focus: Build
Status: Amateur
Ed, you were trying to say....?

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Peter Havriluk
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bluescreek
 Post subject: Re: Efficiency…
PostPosted: Sun Apr 23, 2023 4:25 pm 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Mon Jan 28, 2008 5:21 am
Posts: 4904
Location: Central PA
First name: john
Last Name: hall
City: Hegins
State: pa
Zip/Postal Code: 17938
Country: usa
Focus: Build
Status: Professional
I built 3 guitar bodies in 22 hr

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John Hall
blues creek guitars
Authorized CF Martin Repair
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You Don't know what you don't know until you know it


These users thanked the author bluescreek for the post: Pmaj7 (Mon Apr 24, 2023 2:42 pm)
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meddlingfool
 Post subject: Re: Efficiency…
PostPosted: Sun Apr 23, 2023 6:44 pm 
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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
phavriluk wrote:
Ed, you were trying to say....?


What Bob said…
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jfmckenna
 Post subject: Re: Efficiency…
PostPosted: Sun Apr 23, 2023 6:58 pm 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Tue May 13, 2008 10:44 am
Posts: 6256
Location: Virginia
But what happens when a wave makes contact with a surface regardless of it's wave length? And what would be the result of that if the surface was glass smooth or corrugated cardboard given the same hardness, stiffness and so on.
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Brad Goodman
 Post subject: Re: Efficiency…
PostPosted: Sun Apr 23, 2023 8:40 pm 
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Brazilian Rosewood
Brazilian Rosewood
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Joined: Sun Feb 27, 2005 10:11 am
Posts: 2173
Gary Davis wrote:
I'm so jealous. My body is destroyed but I move on. I'm lucky if I can get two hours in a day before I have to stop.


Sorry to hear that.

I have certainly had my share of pain from all the work I have done in the last 50 plus years.
If it wasn't for the fact that I had a "day" job for the last 20 years (which I retired from 2 years ago) I probably would be in much worse shape.
I just had surgery on the tendon in my left middle finger and at least 5 cortisone shots in other fingers.....

My saying is: I am not broken, just bent.......
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bobgramann
 Post subject: Re: Efficiency…
PostPosted: Sun Apr 23, 2023 8:41 pm 
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Koa
Koa

Joined: Mon Oct 17, 2011 4:10 pm
Posts: 721
First name: Bob
Last Name: Gramann
City: Fredericksburg
State: VA
Zip/Postal Code: 22408
Country: USA
Focus: Build
Status: Professional
How finely you can measure depends on the size of the probe. A microscope’s resolution is limited by the wavelength of the light used for viewing. Using sound as a probe, you won’t get a reflection off of anything much smaller than a large fraction if a quarter wavelength. Imagine trying to block the sound from a guitar by holding a book or any other object small enough to hold between you and the guitar. Remember the ripple tank demonstrations in high school? A small object didn’t block any of the ripples. The quarter wavelength for the highest C on the guitar (1046.5 Hz) is way bigger than even 80 grit sanding scratches. Anyway, that’s how I understand it.


These users thanked the author bobgramann for the post: Pmaj7 (Mon Apr 24, 2023 4:11 pm)
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Terence Kennedy
 Post subject: Re: Efficiency…
PostPosted: Sun Apr 23, 2023 10:05 pm 
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Brazilian Rosewood
Brazilian Rosewood

Joined: Fri Dec 14, 2007 3:21 pm
Posts: 3389
Location: Alexandria MN
I started two builds in January and plan to have them in the customers hands in May. Walkin tall :)

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It's not what you don't know that hurts you, it's what you do know that's wrong.
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joshnothing
 Post subject: Re: Efficiency…
PostPosted: Mon Apr 24, 2023 6:57 am 
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Koa
Koa

Joined: Tue Jan 15, 2013 10:00 pm
Posts: 985
First name: Josh
Focus: Build
Status: Amateur
I liberally rub the inside of the body with Doc McKay’s Patented ToneGrease. Yes, only Doc McKay’s ToneGrease is trusted by Europe’s finest luthiers to greatly enhance articulation, sustain and separation. Now available for the first time in the USA, for the recipe just send a check or money order for $29.99 to the following address …
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