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thread693-46723 Help need on torsio

thread693-46723 Help need on torsio

thread693-46723 Help need on torsio

(OP)
thread693-46723: need help w/torsion bar spring design Help need on torsion bar spring calculation.
Hollow tube 2.255 OD x .065 Wall
Mat'l. Tube Steel Carbon
length 26 inches

Using a flat spring leaf for torque.
mat'l. carbon 1085-1095
Size 1.50 width
length 28.0
Thickness .125

Not sure how many spring leaf required.
Must support 200 lb door one side
162.0 opposite side

Have read and going through calculations in SAE
manual on Design & Manufacture of Torsion Bar Spring.
too many options to choose the correct formula.

1st time user. Any suggestion would be appreciated.

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