A bird couldn't carry three or four head of grown cattle even if it had a six and a half foot wingspan.
The 2-25 has a 60 foot (18.29 m) wingspan and a gross weight of 1450 lbs (657 kg).
The design has a 13.5 foot wingspan and stands 12 feet tall on the ground in its take-off or landing configuration.
The aircraft is built from Swiss pine and birch plywood and has a 52.5 foot wingspan.
A smaller scale model with a 13 foot wingspan was successfully tested on June 24, 2009.
As its name fairly obviously implies, it is a giant version (10 feet tall with 20 foot wingspan) of a regular eagle.
It was difficult for me to accept the concept of a wasplike creature with a twenty to thirty foot wingspan.
Made of polished aluminum and decorated with over 2,000 lights, the bird has a 17 foot wingspan and is 12 feet high.
Stout drew up plans for a scaled-up version of the Batwing, with a 100 foot wingspan.
At a later date, Gilmore claimed to have incorporated his engine in "a monoplane with a 32 foot wingspan".