Does it have a gearbox?..... or is the prop spun directly?
From the website picture, it looks to be directly driven. If so, a major drama with previous diesel aero engine design will be averted.
Wow A V8!! I bet it will sound great on take-off!
I still have lasting memories of the Queen Air with the excalibur conversion, and the Vickers Vimmy replica setting off from here.
And then there is the claimed 40% reduction in fuel burn! That will nearly compare with running LOP