# Suspension ride and travel
# Scope: Single corner linear spring static sag and natural frequency; damping omitted.
# Status: illustrative worked example; engineering review pending.
# Inputs are example values. Checks are editable example requirements, not standards.

mass = 25 kg
rate = 15 N/mm
gravity = 9.81 m/s^2

sag := mass*gravity/rate [mm]
frequency := sqrt(rate/mass)/(2*pi) [Hz]

check sag budget: sag <= 25 mm

scenario alternative: mass = 20 kg