I would really love an equation to figure out the deflection of a rotating shaft.
The shaft is 76" from bearing to bearing.
9" at 2.950" diameter
64" at 9.685" d
9.5" at 2.95" d
the 64"section is a hollow shaft and has about 52" at 3"d missing from middle.
density of material is .28lb/in^3...