Maintain cruise speed and pull back gently but firmly on the stick.
When ASI touches 45Kts, firm pressure on right rudder
and aircraft turns on its own axis.
Height required to achieve - less than 100'
Height lost if executed correctly 0'
Heading on completion of manoevre - 180 degrees different than at start.
Oh - by the way - I should not conduct this aerobatic manoevre in my CFM Shadow aircraft unless I am literally looking to prevent the scenario noted at the start of the thread, whereby 'good airmanship' prevails.
It's nice to know that it will though isn't it!!??!!