export Sc, test_sc, bepi, no_thrust

mutable struct Sc
  dry_mass::Float64
  mass_flow_rate::Float64
  max_thrust::Float64
  num_thrusters::Int
  duty_cycle::Float64
end

const test_sc = Sc(8000., 0.00025/(2000*0.00981), 0.00025, 50, 0.9)
const bepi = Sc(8000., 2*0.00025/(2000*0.00981), 0.00025, 2, 0.9)
const no_thrust = Sc(0., 0.01, 0., 0, 0.)