Re: Getting your first guitar
- From: "Tony Done" <tonydone@xxxxxxxxxxx>
- Date: Thu, 1 Sep 2011 18:12:35 +1000
Anyone moving to Windows 7 is going to have the same problem as me, so it is going to get worse not better. I'm still thinking about installing a different news reader.
Just returning to the neck angle question, the basic geometry of the idea may be of interest to those new to the idea. If the neck is straight, ie no relief and the line of the fret tops points exactly to the top of the bridge , excluding saddle, then the saddle height will be twice the action height. Eg if the 12th fret action height is 2mm, then the saddle height would be 4mm. This sounds excessive, but the neck should have slight bow, neck relief, and this has the effect of lifting the action height, so after you have let off the truss rod a bit the action may have gone to 2.5mm. To get it back down to 2mm, you have to lower the saddle, and this will bring it to 3mm. So, once the neck relief is set correctly, you will have an action height of 2mm and a saddle height of 3mm, which isn't excessive. If you want a really low action of 1.5mm, then the saddle would need to be lowered to 2mm, still good. This example illustrates why having the frets point to the top of bridge when the neck is straight gives about the right relationship between action height and amount of saddle showing above the bridge. It also shows clearly that the relationship has nothing to do with existing top belly, bridge rotation (within reason) and bridge thickness.
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