How to Calculate Needham Crippling Allowable
Calculate the Needham Crippling Allowable in 3 easy steps. A standard free Engineering method spreadsheet is used. Also, by adding the applied loads, the resulting Margin of Safety (MS) is calculated.
The spreadsheet can be downloaded for free at Abbott Aerospace Inc
The Crippling method spreadsheet include the XL-Viking Formula display functions. The functions display values and variables of each formula. This allows for instant check, audit and validation of your calculations.
This short video shows how the display functions works
The XLN function is free and can be downloaded here