Designed by Daniel Noonan the Eaglerock was extensively redesigned as the A-1 by Al Mooney in 1926. The design had folding wings, and Warren-truss wing struts with no wire rigging, and based on surplus Longren components.
The name came about from an injured Golden Eagle cared for as a pet by factory employees, appended with “Rock,” honoring the nearby Rocky Mountains.
The 1925 Alexander Eaglerock had trouble get¬ting off the ground at Denver, where it was being built, because its wing area was too small. Mooney improved and lengthened the wing. He made the up¬per and lower wings exactly alike and left out the center section. So where the fuselage fitted into the bottom set, it gave them a longer span.
First flying on 19 September 1925, powered with a 100 hp Kinner engine the Eaglerock sold at $3907 flyaway factory. The craft was available with $1562.80 down and the balance in twenty semi-monthly installments of $128.94. Powered by a 150 hp Hisso A the flyaway price was $3230, or $1800.00 down and twenty semi-monthly installments of $107.25. Powered by a 165 hp Wright J-6 the flyaway price was $3397, or $2238.80 down and twenty semi-monthly installments of $182.71.
The second Eaglerock design, the 1926 Eaglerock A-1 or New Eaglerock, had 40’0″ lower wing.
First flying on 7 January 1926, piloted by Capt Cordner, the A-1 sold for $6,500, or $2,250 less motor, receiving DoC approval (ATC 57) in 1928.
895 of all Eaglerocks were built 1927-32. Company records claim a total of about 450 Eaglerock models built by the end of 1928.
Engine: Curtiss OX-5
Eaglerock A-1
Engine: 220hp Wright J-5
Wingspan: 36’8″
Length: 23’11”
Useful load: 786 lb
Max speed: 126 mph
Cruise: 108 mph
Stall: 39 mph
Range: 580mi
Seats: 3
All Aero 