Not nice for the fellow in the driving seat, but a racing certainty that it was decaying energy that caused the splash.
Where the hell did losing the prop come into it?
I've done exactly the same many many times in two Eagles (Barcli's old one being one of them) and never heard of that.
Internet rumour mill works yet again.
The finest aerobatic display I've ever seen was in an Eagle, In the UK, and by possibly the most talented pilot I've ever met. It included plenty of autorotational figures.
The prop stayed on.
And before you say it, I know it was an 'aside'. The prop didn't come off....so there
