What is the average maximum height shell that travel more than 16.3 second 55° and have a maximum velocity 2200 ft/s?
m/v ft/s Shell (lb) Time to ft (m) at 25° (seconds) Time to ft (m) at 40° (seconds) Time to ft (m) at 55° (seconds) Max. height (ft)
QF 3-inch 20 cwt
13963241
real real text real real real
2-13963241-1
Performance
Performance
1990 12.5 10.1 15.5 22.1 19,000
2200 12.5 9.1 14.1 19.1 20,000
2500 12.5 8.3 12.6 16.3 23,500
2000 16 9.2 13.7 18.8 22,000
2350 31 4.4?? 9.6 12.3 28,750
SELECT AVG Max. height (ft) FROM table WHERE Time to ft (m) at 55° (seconds) > 16.3 AND m/v ft/s = 2200
16.3 2200