my source in Berlin can not find any more info other than the 3 vu and photos. anyhow its started on the drawing board, at 81" the closeness of the 2 left engines is giving me a little prop clearance problems, may end up with 3 Davis Diesel's. have 2 of them and trying to contact Davis about a 3rd. assume he is still in business. will keep you posted. the 60" Navy Flying Boat from My Uncle Willies, sure looks interesting. dick