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February 2004
Posts: 1634
Location: Warren,Pa. | Someone remind me...why is runout considered to be a bad thing in guitar building. Then tell me why it's OK to have lots of it on every '01 Collector's I'v seen. I ask respectfully...not sarcastically. John. |
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Joined:
June 2002
Posts: 6202
Location: Phoenix AZ | What exactly is "runout". All I can think of is the after effects of a bad bean burrito and that time I had to "runout" to get a plunger to fix Temps toilet. Dave
Seriously, I don't think I've ever seen an '01 and I really don't know what "runout" is related to guitars. |
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February 2005
Posts: 253
Location: New Orleans | ...LoL...LMAO...ROAR!!! |
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August 2003
Posts: 4619
Location: SoCal | Runout refers to the orientation of the wood cells being other than parallel to the edge (face) of the board. From what I understand, severe runout can be detrimental to strength and sound transmission. Seems to be more of a factor when wood is used for sides. From what I understand, it can also be a factor in the visual effect of a two piece top showing one side darker than the other. As the 2001 is redwood, this could be a factor.
Frets.com
AcousticGuitar.com |
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Joined:
January 2005
Posts: 167
Location: Waxahachie, Tx | In explanation of runout: trees suitable for tone wood grow at a 90 degree angle to the ground. As long as the sawyer maintains that 90 degree relationship in his saw cut we have little problem with runout. Ideally tonewood is split from billets in order to insure that the lines of separation from the billet are where the tree wants it to be. The tree does not want runout. If the sawlog is significantly larger at the base than at the other end, or if the sawyer should somehow deviate from that 90 degree angle (to the ground), that's when you have runout. An extreme example of this would be if you were to cut a very thin piece off the end of a log (a round, such that you could count the rings), if you were to try to bend this it would break. That's why runout is a problem when bending sides. The early wood, in effect, delaminates from the late wood. Early wood is the part that grows early in the season and has the larger pores; it's generally the darker, thinner lines of grain. Late wood is the other stuff.
I copied this explanation from this Link.
Runout |
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Joined:
November 2004
Posts: 4413
| You live and learn. Interesting.
I thought runout was just something that afflicted my audiences. |
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Joined:
December 2004
Posts: 2150
Location: Orlando, FL | Excellent info. Thanks for another OFC educational minute. :) |
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Redwood tops and "runout"
