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4 point bending equations

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Aerowerx

Well-Known Member
Joined
Dec 1, 2011
Messages
6,108
Location
Marion, Ohio
I have spent a lot of time looking for a formula that gives the deflection of a beam in 4 point bending.

There are all kinds of information on other configurations, but I do not understand why it is so hard to find 4 point bending.

Anyway, I thought that there might be others on here interested in what I finally found: Deflection and Slope of Beams

If you scroll down far enough you will find the equations for a simple beam in 4 point bending, as would be the case for a 1 piece landing gear attached at 2 points and free to flex in the middle. It also gives the angle of the bend at the ends.
 
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