[Andy Saunders]

I agree. However, I remain unconvinced that the Merlin plate illustrated actually originated with the crash site in question. It shows no sign of the kind of "trauma" associated with items from such crashes. To me this has all the appearance of a plate that has been pinged off another, intact, RR Merlin. If so, then the provenance along the way has been compromised. There are one or two other potential Merlin's it could have belonged to. I suspect we shall never know.....!