A story that was told to me at Changi.
The Britannia had, I believe servo tabs to operate the ailerons elevators and rudder. These did come into effect until there was a decent airflow over them so up to then they just hung limply.
A certain pilot was departing Changi tourex and was observing everything going on around him. Half way through the take off roll he stood up at shouted at the loadies that there was something seriously wrong with the aircraft and the take off should be aborted. This was conveyed to the cockpit and emergency braking resulted which just stopped the aircraft before it entered the bundue.
He had observed that both ailerons were hanging down and assumed that the controls were disconnected.
Whether that story is true or not but it could be possible.