Two pots off an aero engine? Looks similar to that 5 litre Flying whatsit built by that nutty bloke who likes to put absurdly huge engine into bikes.
His Kawasaki 2 strokes are fab, these two look a bit poo - nope, a lot poo. Very clever Engineer though...
piss poor photography... there is slightly more left butt cheek than right on show (even taken in to account the angle) cant look at that at all...