Voices: Field Notes

Don’t Thumb Your Nose At Rules Of Thumb

Some can provide useful estimates if applied with appropriate caution

By Dirk Willard, Contributing Editor
Feb 4, 2019

Rough guidelines can come in handy. However, as any experienced engineer will tell you, such rules of thumb (RoT) sometimes contain dangerous assumptions. Still, RoTs do provide reasonable estimates for many engineering calculations.

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