Mechanical
gears: Lewis equation
surface speed
power
ball screw force
ball screw velocity
timing belt length
roller chain length
thread tensile stress area 1
thread tensile stress area 2
thread tensile stress area 3
allowable bolt force
thread engagement length 1
thread engagement length 2
ASME Bolted Bonnet or Cover Joints
ASME Section VIII UG-27
pressure vessel
spring equations 1
spring designer 1
spring designer 2
diaphragm effective area
cylindrical float - round ends
cylindrical float - flat ends