An AWESOME display of this monster sized Yak-54 by Steve Carr at the East Kirkby Large Model Association Show 2017.
Wingspan: 180 in (4.58M)
Wing Area: 6290 sq in (40580sq cm)
Fuselage length: 161 in(4.1M)
Weight: empty weight with hardware 65.9 lbs (29.9kg)
Engine: 400cc min (Self designed/built 550cc engine used by Steve Carr)
http://www.youtube.com/watch?v=CMtWgHVHNJ8