Table:
text: QF 3-inch 20 cwt
Performance
Performance
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
1990 12.5 10.1 15.5 22.1 19000
2200 12.5 9.1 14.1 19.1 20000
2500 12.5 8.3 12.6 16.3 23500
2000 16 9.2 13.7 18.8 22000
2350 31 4.4?? 9.6 12.3 28750

Question: How much time (total) at 40° does a 16 lb shell take to reach a maximum of no more than 22,000 ft at QF 3 inch 20 cwt?

Question: What is the average maximum elevation of a QF 3-inch 20 cwt shell traveling at 55° for more than 16.3 seconds and having a maximum velocity of 2200 ft/s?

Question: What is the maximum time a shell will travel at 55° if it traveled less than 9.6 seconds at 40° from QF 3-inch 20 cwt?

Question: What is the weight of the shell that reached its maximum altitude at 40° in 12.6 seconds at QF 3 inches, 20 cwt?

Question: What is the average max height of the shell less than 12.5 lb that reached its max height at 25° in 10.1 seconds at QF 3-inch 20 cwt?