CPR core book gives some ballpark numbers: "Short, bulbous, and equipped with only rudimentary maneuver wings, the AV-4 has the aerodynamic characteristics of a rock, relying on the brute force of its huge jet engine to keep it aloft (the original engine lifted a 19,550 lb. jumpjet, while a fully loaded AV-4 weighs about 8,600 lbs)" (cit., page 324)