With over 100 looks and no replies, here are the answers, which may surprise.
1a. Jim Bede, 1b. Test bed for the six seat BD-3.
2. BEDE XBD-2, STOL and research aircraft.
BONUS-Registry N327BD. Fixed tri-gear.
3a. Two Continental, 3b. O-300A 6 cylinder, 3c. 145 Hp each, driving a three-blade prop within a circular shroud.
4. Initial flight date July 26, 1961.
5. Four seats.
Dimensions:
Wingspan-38'6"
Length-23' 8.5"
Height-12' 4.75"
Wing Area-150 sq. ft.
Performance:
Max speed: 204 mph at sea level
Cruise: 179 mph at 9,000'
Initial climb rate: 1,050 ft/min.
Weight:
Loaded: 3,400 lb.
Incidentally, I met the late Jim Bede, aeronautical engineer at EAA AirVenture 2008. RIP, Jim.
I thank all who were perplexed, baffled by this quiz, as that is my intent. And incidentally, four photos of the aircraft are on this site. I hadn't looked it up here in formulating the quiz. See N327BD. (My source in-flight photo differs-showing a tall swept vertical stabilizer tail).