bombs dont arm at a certain alt but at xxx amount of time.
so if you are going 600 mph you must release your bombs at say 1000ft if you are going 250 then 500ft (these arent accurate figures)
I am 24 and 2 in a fw190f8 I killed 4 gvs in 1 drop.
An la7 was chasing me so i went to the deck at about 400ft going 400 + I spotted 2 m16s an m3 and a panzer 1200 yards away I immediately cycled through my bombs releasing them level.
I did this to reduce my weight so i could evade the the la7. I released the last bomb and broke hard left. I heard the explosions then......
victory 1, victory 2, victory 3, victory 4, by wotan a friendly spit got the la7 off me and i ran home. I am not certain of the range I released it was rather fast.
I carried 1 500kg (which probrably killed most of them) and 4 50 kgs. I didnt have time to det salvo to 4 so I dropped the 50s 1 at a time.
So the conclusion I came to was there was a set "travel time" for bombs to arm.
This happened on the island map near a5. The gvs were at the base of the hill leading up to the town. I was ib to v6 to kill it when the la7 attacked me I split essed from 11k to the deck and was headed back to 5. I was over water to the s x se of 5. none of the gvs fired at me as they were preoccupied with a friendly fp at the top of the hill. I wish I had filmed it but I didn't.