The Sagulator - calculate the sag of a shelf given a specific load

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Stumbled over “The Sagulator”:

https://woodbin.com/calcs/sagulator/

It tells you how far different woods will sag based on a given load. Seems useful, though it’s missing MDF which I consider “wood”. Sort of. :slight_smile:

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I see three different density s of MDF.

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Scroll all the way to the bottom of the list

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Oh awesome. I was looking for MDF alphabetically in the list. Thanks. :slight_smile:

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Interesting but leaves out an important parameter, the orientation of the grain. As a former luthier, and Physics teacher, I did some experimentation with mahogany used for necks. Definitely less “sag” when the grain was oriented vertically. So be sure to use VG MDF. :laughing:

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Er…, what’s VG mean in this context? :slight_smile:

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Vertical grain. This is the nomenclature for when the growth rings are perpendicular to the wider face of the lumber. You may also see the term ‘quarter sawn’ which is the milling technique to produce more VG pieces from a given log. This cut of wood is generally more stable and more expensive.

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