Didn’t think this was a toughie. The mystery is the Vance Viking. Some more info here: http://mysteriousbill.weebly.com/vance.html
Open board-
Initially designed as a racer.
Twin boom monoplane-
Maybe a Texas Helicopters M-79T?
Right on Eric. The board is yours.
Thanks AA. Whatever it was, it was ugly!
Moving along with a twin.
Besson Quadruplan.
That’s it. Over to RAB.
This one did fly for sure.
Yeppers. Carry on.
Yes, the Waco Aristocraft. Very interesting indeed.
Next up, a nice cabin monoplane-
That is the O’Neill Model W circa 1968.
Spot on with the Bratu. The board is yours.