were either igniferious (based on a burning fuse) or mechanical (clockwork). igniferious fuses were not well suited for anti-aircraft use. the fuse length was determined by time of flight, but the burning rate of the gunpowder was affected by altitude. the british pom-poms had only contact-fused ammunition...
were either igniferious (based on a burning fuse) or mechanical (clockwork). igniferious fuses were not well suited for anti-aircraft use. the fuse length was determined by time of flight, but the burning rate of the gunpowder was affected by altitude. the british pom-poms had only contact-fused ammunition...