The Federal Aircraft CM-3 was an aircraft built by mechanics from the Ryan Company.[ 1]
Design and development
The CM-3 was designed to be an express mail plane that could also be used for flight training . It had 50 orders, but only one aircraft was completed. The company was dissolved shortly afterward.[ 1]
The CM-3 was a high-wing strut-braced monoplane with conventional landing gear . The fuselage was made of welded steel tubing with aircraft fabric covering . The aircraft featured dual controls with seating in tandem .[ 1]
Specifications (Federal Aircraft)
Data from Skyways,[ 1] Aviation,[ 2] Jane's all the World's Aircraft 1928[ 3]
General characteristics
Crew: 1
Capacity: 2
Length: 25 ft 9 in (7.85 m)
Wingspan: 39 ft 6 in (12.04 m)
Height: 7 ft 8.5 in (2.350 m)
Wing area: 256 sq ft (23.8 m2 )
Airfoil : Göttingen 398
Empty weight: 1,450 lb (658 kg)
Gross weight: 2,150 lb (975 kg)
Powerplant: 1 × Hallett H-526 7-cylinder air-cooled radial piston engine, 130 hp (97 kW)
Propellers: 2-bladed fixed pitch propeller
Performance
Maximum speed: 115 mph (185 km/h, 100 kn)
Cruise speed: 100 mph (160 km/h, 87 kn)
Stall speed: 40 mph (64 km/h, 35 kn)
Range: 400 mi (640 km, 350 nmi)
Endurance: 4 hours 30 minutes
Service ceiling: 12,000 ft (3,700 m)
Rate of climb: 750 ft/min (3.8 m/s)
Wing loading: 8.6 lb/sq ft (42 kg/m2 )
Power/mass : 0.0606 hp/lb (0.0996 kW/kg)
References
^ a b c d "Federal Aircraft CM-3". Skyways : 66. July 1995.
^ McReynolds, Charles F. (January 12, 1929). "The Federal CM-3" . Aviation . Vol. XXVI, no. 2. pp. 98– 100.
^ Grey, C.G., ed. (1928). Jane's all the World's Aircraft 1928 . London: Sampson Low, Marston & company, ltd. p. 222c.