Violin Bridge Purchasing, 'Feet shaping, and Top Arch Shaping .

Page : AA-42
(Modified 11/2020)
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..First of all : I think this instructional video on Violin Bridge carving / fitting by Ryan Hayes will be useful to give us an overview of the Professional approach. Click here or on photo:
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Date Written or Last Revised:
Description of the article or section...Just click on subject below to go there...
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Bridge feet fitting tool and technique.
Fitting Bridge Feet, and measurements of bridge when making new bridge.
10/2020
8/2014
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Ideal Top Down Tap Tone.....242 HZ
Ideal Wood Tone... .........242 HZ
Ideal Rub Tone...
........# 22
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Ideal From the Side Tap Tone.(227 1/2) HZ
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Ideal From the Front Tap Tone....213 HZ
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..The fitting of the feet of the bridge is the first step of a successful Bridge for our Violin.
..The Bridge Feets' curve should exactly match the top curve shape of the top plate.
..The back of the Bridge should be perpendicular to the curve of the Top Plate when in position.
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..Next, we want to establish the Top Curve of the bridge. The shaping of this top curve will largely determine if the strings are easy to play, and playing two strings at once minimized. The proper positioning of the string heights over the fingerboard.
..These are the critical factors all relying on the careful and correct shaping of this top curve.... {before this step is taken, the Fingerboard must first be completely shaped and glued in place; it must be already acoustical tuned; it must have the proper string 'dish' in it's top surface to prevent sting 'buzzing'; It must have its' sides dished in to compensate for the above mentioned 'dish' shape. [The first lowers the tone of the top surface tap tone, and the second raises it back up to the goal tap tone frequency : (227 1/2 HZ downward from above, and 242 HZ horizontally from the side of the fingerboard, both evenly all over or all along.]}
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...One good print resource for these critical measurements is Henry Strobel's books on violin making. {available from international violin and others} :Or direct from the source. Click here for their link.
..I would suggest his book : "Useful Measurements"
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