qf 3 - inch 20 cwt 

Statements about this table:
the average maximum height of a shell that travel for 19.1 second at 55° and have a maximum velocity of 2200 ft / s be 20000 foot
the weight of the shell (lb) of 16 have a maximum height (ft) of 20000
the average maximum height of a shell that travel for more than 16.3 second at 55° and have a maximum velocity of 2200 ft / s be 20000 foot with a m / v ft / s of 1990
20000 foot be the maximum height of a 16 pound shell that travel for more than 16.3 second at 55 degree and have a maximum velocity of 2200 ft / s
m / v ft / s
shell (lb)
time to ft (m) at 25 degree (seconds)
time to ft (m) at 40 degree (seconds)
1990
12.5
10.1
15.5
2200
12.5
9.1
14.1
2500
12.5
8.3
12.6
2000
16
9.2
13.7
2350
31
4.4
9.6
m / v ft / s
time to ft (m) at 55 degree (seconds)
max height (ft)
1990
22.1
19000
2200
19.1
20000
2500
16.3
23500
2000
18.8
22000
2350
12.3
28750