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mikestock's avatar
mikestock
Explorer
Jul 30, 2015

Myth that socket extensions change torque wrench readings

I have had mechanics and one person who builds competition airplanes swear that torque wrenches are inaccurate when an extension is added. To me, this flies in the face of the Action, Equal and Opposi...
Huntindog's avatar
Huntindog
Explorer
Aug 03, 2015
wa8yxm wrote:
Your 3 foot crows foot will add as much as 1.2 feet to the length of the wrench at a 90 degree angle or to be more precise it will add Sqrt(18)-3 feet That is for a wrench with a 3 foot handle,, the relationship is for those math inmpaired is

Sqrt = Square Root

Sqrt((Handle^handle)+(extension*extension)) if it's 90 degrees

Example if the extension is 3 feet, the handle 4, the overall effective length is five.


Put me in the math impaired camp...:B That's Ok though as I knew that other thinking had to be wrong. Often times if one "grows" a line of thought,,, it becomes obvious what the right answer is.

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