This sound package includes original recordings from an actual Griffon-powered Spitfire recorded at Frasca field, Illinois, 28 Sep 2002. (See the included images of the Spitfire.)
slightly odd. From the included docs.
ive got the mb5 and use that sound on the seafire 47 and any other contra props .Just a thought, if you have the Alphasim Martin Baker M.B.5, those included with that plane are some pretty impressive sounds... convincingly enough to mimic a Rolls Griffon 61 engine. Also, David Copley had some Griffon Spitfire sounds on his XP-38N website a few years back that worked very nicely too. Not sure if Mr. Copley is still around... it has been a while since I've seen or heard anything from him.
BB686
As it was recorded in the US, it must have been a Packard version of the Griffon .
Cheers,
Huub