text: """Electric propulsion design tools.
  
  .. autosummary::
  
    m_Xe
    m_Kr
    thrust
    jet_power
    double_ion_thrust_correction
    specific_impulse
    total_efficiency
    thrust_per_power
    stuhlinger_velocity
    optimal_isp_thrust_time
    optimal_isp_delta_v
  """
  
  from proptools.constants import amu_kg
  
  from proptools.electric.generic import (
      thrust,
      jet_power,
      double_ion_thrust_correction,
      specific_impulse,
      total_efficiency,
      thrust_per_power,
      stuhlinger_velocity,
      optimal_isp_thrust_time,
      optimal_isp_delta_v
  )
  
  m_Xe = 131.29 * amu_kg
  """Xenon atom mass [units: kilogram]."""
  
  m_Kr = 83.798 * amu_kg
  """Krypton atom mass [units: kilogram]."""
  