40M Beam and Mast

[Pete Soper]

Steve wrote:

> If you're in Marion County, it's only a 70 MPH wind zone.  With that as
> the wind pressure and 6 sq.ft. of windload, the total bending force for the
> antenna and mast is less than 25,000 psi.  In this case, a 4130 cold worked

Could you share the formula(s) for this calculation?

Regards,
Pete
KS4XG

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