There are 7 Wittman Tailwind W-8 aircraft on the U.S. registry that TailWiki has a page for. Every one is built from the public FAA record — year, serial, engine, home base, and registration history — and owners and pilots add photos, trips, and stories on top. The ones listed here were built between 1965 and 1973.
N5447
1973 Wittman Tailwind W-8
Kirkwood, MO
N3316
1970 Wittman Tailwind W-8
Greenfield, OH
N121Y
1966 Wittman Tailwind W-8
Eau Claire, WI
N11018
1965 Wittman Tailwind W-8
Selah, WA
N104D
Wittman Tailwind W-8
Cape Carteret, NC
N11411
Wittman Tailwind W-8
Los Angeles, CA
N564DF
Wittman Tailwind W-8
Southaven, MS