Wow, that jumper/formater of the C-130 would have been great to video !!!
Just that I remember reading a story about the Sparrowhawk pilots doing that trick.
When the aircraft was holding the constant vertical, the airframe would spin around slowly under the engine torque as there was insufficient airflow over the wings/ailerons to counteract this.
Just can’t remember where I read this and have googled a lot unsuccessfully.
Cheers
TNZ