Neal Fulco wrote:

Not a twin, but how about a "triple ?". William Wynne is putting 3 of
his Corvair engines on an original design. A poorman's Ford
Trimotor?. If you browse thru his website you will find some photos
of the project.

I could only find one:

http://www.flycorvair.com/newhangar.jpg

And it doesn't show it as such, yet...