The spacecraft may also have a propellant load, which is used to drive or push the vehicle upwards, and a propulsion kick stage.
With a full propellant load, its mass was 148 kilograms (326 pounds).
This increased weight again, forcing the FGB to have its propellant load reduced to 60% in the high pressure tanks and empty low pressure tanks.
Since the propellant load on most satellites cannot be replenished, the amount of propellant initially loaded on a satellite may well determine its useful lifetime.
This universality was achieved by wide range of elevation angles and by using separate loading with 13 different propellant loads.
Shell could be fired with six propellant loads (no. 1 to 5 and full).
On the ground, the space between the top of the propellant load and the top of the tank is known as "ullage space".
This projectile was larger, heavier, the propellant load undoubtedly more explosive than the toy guns he'd used years before.
Better accuracy and tactical flexibility would theoretically come from standard shells with varying propellant loads, and logistic simplification by eliminating varying powder loads.
This, for example, allows minimization of aerodynamic losses and can limit the increase of g-forces due to the reduction in propellant load.