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PostPosted: Mon May 26, 2008 9:29 pm 
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Brazilian Rosewood
Brazilian Rosewood
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Joined: Thu Mar 01, 2007 3:15 pm
Posts: 2302
Location: Florida
Experimenting with different ways of building guitars is how I came across the building style I am using today. I try to sneak in an experimental guitar every once in a while using some lower grade woods anyway, so why not try this? If it is not going to cost me anything to try it out, then I'll give it a whirl and see what happens. If it is THAT bad, then I'll just add it to the firewood pile for next winter. Either way I'll be glad to give them an honest evaluation of the product.

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PostPosted: Tue May 27, 2008 2:46 am 
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Brazilian Rosewood
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Many don't grasp that concept Kent of having to use much less mass of material due to different properties. All views of CF guitar components I have seen used in guitar making, in my opinion, really don't take advantage of the much higher stiffness/weight and way over design. Likely because they don't have engineering degrees or the wherewithal to plow through property data to do the math. And those very differences in properties are what generally give the "nutech" typically disappointing results.

Paraphrasing what you said about "building to the edge" perhaps would be better put as "perceived as building to the edge". I've seen CF parts hit with sledge hammers that would shatter any wood. Most I'm convinced are deceived by the lightness of the material and under estimate it's real potential.

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PostPosted: Tue May 27, 2008 7:52 am 
See pictures of my use of CF combined with wood for back bracing in the next Fretboard Journal...

See how Greg Smallman combines CF with balsa...

Light and stiff is good with engineered parts...

Rick


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PostPosted: Tue May 27, 2008 12:24 pm 
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Koa
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Location: Portland, Oregon
I don't think builders reject carbon fiber as much as is sometimes implied. Maybe that is part of the marketing angle for certain products. Implying something has not gained acceptance because builders are too "traditional", and not due to a design weakness or poor design may draw in a certain group. Carbon fiber has many desirable qualities, and it is making its way into modern components everyday. The trick to any material we use is that it has to be used effectively(requires understanding of the design function as well as the material). Brace designs have been developed using wood, and the shape, way these parts are attached and so forth are based on wood and its unique directional strength and stability charictoristics. Although some features may take a similar form, taking advantage of structural design concepts. I would expect that an innovative carbon fiber bracing system could(and likely should) look different than what we see using wood. Really innovative use of the material is not going to come about from simply replacing wood with a smaller amount of fiber(Spruce is pretty darn efficient in terms of weight to stiffness, and there is only so much advantage to be had in that sense). A person with serious insight into building and design(and is thinking outside the box), along with research and development could lead to something very worthy of being called innovative.

Just my 2 cents Eat Drink
Rich


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PostPosted: Tue May 27, 2008 12:32 pm 
how much does the cf x cost?


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PostPosted: Wed May 28, 2008 4:39 pm 
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Koa
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Joined: Tue Nov 28, 2006 1:44 pm
Posts: 1105
Location: Crownsville, MD
First name: Trevor
Last Name: Lewis
City: Crownsville
State: MD
Zip/Postal Code: 21032
Country: USA
Focus: Build
Status: Semi-pro
I don't think they calculate board foot prices...but if they did, it would be a lot higher than Sitka!

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