admin- Power to weight.

Maximum Takeoff Weight: 477,000 pounds (216,634 kilograms)
Weight: Empty, approximately 190,000 pounds (86,183 kilograms)
Thrust: 30,000-plus pounds with afterburner, BRBR
Empty weight still exceeds the engine thrust BRBR

Just go faster before you pull up. With your numbers, no A/C could do a loop,
and of course many do. In the F-4, about 36,000 pounds of thrust in A/B, in an
A/C that weighed about 34,000 pounds empty but did loops and straight ups and
downs all the time, weighing 50,000 pounds or so.

Energy management.

P. C. Chisholm
CDR, USN(ret.)
Old Phart Phormer Phantom, Turkey, Viper, Scooter and Combat Buckeye Phlyer