 was fitted with a geared engine, raising the thrustline and the top of the propeller arc, it was necessary to raise the mounting by the same amount, to ensure the line of fire cleared the propeller.While Albert Ball continued to use the upward firing technique for some of his last victories, other pilots remarked on the great skill and marksmanship needed to achieve success with this manoeuvre in an S.E.5.Several pilots remarked on the gymnastics required to change drums in a hurry, especially in the middle of a dogfight.