Sopwith, thank you re prop and project. A bit of tongue-in-cheek regarding the Mercedes aero engine club, as I do not believe that one exists. Not many owners/ guardians of original engines. I’m probably the newest ‘member’ but have been in touch with many.

J Boyle also a thank you for your information. I have visited and met with Chuck who, at the time, was working on 2 Mercedes engine projects. A very skilled and helpful person.

Regards
John