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Thread: western redcedar

  1. #26

    Default Re: western redcedar

    Quote Originally Posted by Jill McAuley View Post
    Max Girouard has made/makes mandolins with Port Orford Cedar tops - here's the one he made for me:

    Click image for larger version. 

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    Check out the sound of Jill's mandolin here.
    https://www.mandolincafe.com/forum/t...A-Week-Project

    I'd love to hear a mandolin with a WRC top, anyone have any links?
    Girouard Custom Studio A Oval
    P.W. Crump OM-III

  2. The Following 2 Users Say Thank You to Gary Leonard For This Useful Post:


  3. #27

    Default Re: western redcedar

    OK, I did some research and Port Orford cedar is stronger and harder than Sitka spruce. Western Redcedar is close to Sitka Spruce in strength but lighter and not nearly as hard. So Port Orford Cedar seems quite special indeed as a tone wood.

    My personal experience with a western redcedar guitar top was that it was amazingly sensitive when playing with bare fingers but would actually distort under heavy picking.


    Common Name(s): Western Redcedar, Western Red Cedar

    Scientific Name: Thuja plicata

    Distribution: Pacific Northwest United States/Canada

    Tree Size: 165-200 ft (50-60 m) tall, 7-13 ft (2-4 m) trunk diameter

    Average Dried Weight: 23 lbs/ft3 (370 kg/m3)

    Specific Gravity (Basic, 12% MC): .31, .37

    Janka Hardness: 350 lbf (1,560 N)

    Modulus of Rupture: 7,500 lbf/in2 (51.7 MPa)

    Elastic Modulus: 1,110,000 lbf/in2 (7.66 GPa)

    Crushing Strength: 4,560 lbf/in2 (31.4 MPa)

    Shrinkage: Radial: 2.4%, Tangential: 5.0%, Volumetric: 6.8%, T/R Ratio: 2.1
    ----------------------------------------------------------------------------------------------

    Common Name(s): Port Orford Cedar, Lawson’s Cypress

    Scientific Name: Chamaecyparis lawsoniana

    Distribution: Pacific northwest United States

    Tree Size: 150-200 ft (45-60 m) tall, 4-6 ft (1.2-1.8 m) trunk diameter

    Average Dried Weight: 29 lbs/ft3 (465 kg/m3)

    Specific Gravity (Basic, 12% MC): .39, .47

    Janka Hardness: 590 lbf (2,620 N)

    Modulus of Rupture: 12,290 lbf/in2 (84.8 MPa)

    Elastic Modulus: 1,646,000 lbf/in2 (11.35 GPa)

    Crushing Strength: 6,080 lbf/in2 (41.9 MPa)

    Shrinkage: Radial: 4.6%, Tangential: 6.9%, Volumetric: 10.1%, T/R Ratio: 1.5
    ----------------------------------------------------------------------------------------------

    Common Name(s): Sitka Spruce

    Scientific Name: Picea sitchensis

    Distribution: Northwestern North America

    Tree Size: 130-160 ft (40-50 m) tall, 4-6 ft (1.2-1.8 m) trunk diameter

    Average Dried Weight: 27 lbs/ft3 (425 kg/m3)

    Specific Gravity (Basic, 12% MC): .36, .42

    Janka Hardness: 510 lbf (2,270 N)

    Modulus of Rupture: 10,150 lbf/in2 (70.0 MPa)

    Elastic Modulus: 1,600,000 lbf/in2 (11.03 GPa)

    Crushing Strength: 5,550 lbf/in2 (38.2 MPa)

    Shrinkage: Radial: 4.3%, Tangential: 7.5%, Volumetric: 11.5%, T/R Ratio: 1.7

  4. #28
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    Default Re: western redcedar

    Click image for larger version. 

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    I have an A5 with a Port Orford Cedar top, Walnut back and sides that was built for me last year. Very nice mandolin with a strong voice, a lot of fundamental tones, not as much overtones as spruce. It has rapidly become the "Alpha" in my little pack of mandolins.

  5. #29
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    Nov 2002
    Location
    So Oregon
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    856

    Default Re: western redcedar

    Rick,

    Very interesting mandolin.

    Who built it.

    Jeff

    Williams, Or.

  6. #30
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    Join Date
    Apr 2013
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    Grants Pass, OR
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    23

    Default Re: western redcedar

    Quote Originally Posted by Jeff Hildreth View Post
    Rick,

    Very interesting mandolin.

    Who built it.

    Jeff

    Williams, Or.
    Jeff, Jerry Firth from Merlin was builder.

    Rick

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