The Robin, a workmanlike cabin monoplane, had a wooden wing and steel tubing fuselage. The cabin accommodated three persons; two passengers were seated side-by-side behind the pilot. Early Robins were distinguished by large flat fairings over the parallel diagonal wing bracing struts; the fairings were abandoned on later versions, having been found to be ineffective in creating lift.[1] The original landing gear had bungee rubber cord shock absorbers, later replaced by an oleo-pneumatic system; a number of Robins had twin floats added.[2] Variants of the Robin were fitted with engines which developed 90–185hp (67–138kW).[2]
A single modified Robin (with a 110hp (82kW) Warner R-420-1) was used by the United States Army Air Corps, and designated the XC-10. This aircraft was used in a test program for radio-controlled (and unmanned) flight.[2]
Cuba's national airline, Compañía Nacional Cubana de Aviación Curtiss, was founded in 1929 with the Curtiss-Wright company serving as its co-founder and major investor. The airline's first aircraft was a Curtiss Robin and it was flown on domestic routes as a mail and passenger transport.
From September 1929 to May 1930 a Robin C-1 was used to deliver the McCook, Nebraska Daily Gazette to communities in rural Nebraska and Kansas. The airplane flew a nonstop route of 380 miles (610km) daily, dropping bundles of newspapers from a height of 500 feet (150m) to local carriers.[3]
A Curtiss Robin C was purchased by the Paraguayan government in 1932 for the transport squadron of its air arm. It was intensively used as a VIP transport plane and air ambulance during the Chaco War (1932–1935).
(Model 50A) An early version of the Robin, powered by a 165hp (123kW)Curtiss Challenger radial piston engine.
Comet Robin
One Robin was converted by its owner in 1937, fitted with a 150hp (110kW)Comet 7-D radial piston engine.
Robin
(Model 50A) Prototypes and initial production aircraft powered by 90hp (67kW)Curtiss OX-5 engines.
Robin B
A three-seat cabin monoplane, fitted with wheel brakes and a steerable tailwheel, powered by a 90hp (67kW)Curtiss OX-5 V-8 engine; about 325 were built.
Robin B-2
A three-seat cabin monoplane, powered by a 150–180hp (110–130kW)Wright-Hisso "A","E" and "I" V-8 water-cooled piston engine.
Robin C
A three-seat cabin monoplane, powered by a 170hp (130kW) or 185hp (138kW)Curtiss Challenger radial piston engine; about 50 built.
Robin C-1
(Model 50C) An improved version of the Robin C, powered by a 185hp (138kW)Curtiss Challenger radial piston engine; over 200 built.
Robin C-2
(Model 50D) A long-range version fitted with an extra fuel tank, powered by a 170hp (130kW)Curtiss Challenger radial piston engine; six built.
Robin 4C
(Model 50E) A four-seat version, powered by a Curtiss Challenger radial piston engine; one built.
Robin 4C-1
A three-seat version with an enlarged forward fuselage section; three built.
Robin 4C-1A
(Model 50G) Another four-seat version with an enlarged forward fuselage section; 11 built.
A one-off experimental version, fitted with a 120hp (89kW)Curtiss Crusader engine.
Robin J-1
(Model 50H) Powered by a 165hp (123kW)Wright J-6-5 Whirlwind radial piston engine; about 40 built.
Robin J-2
(Model 50I) A long-range version, with 80USgal (67impgal; 300L) fuel. Two were built
Robin J-3
A J-1 temporarily designated J-3, which reverted to the J-1 designation after being de-modified.
Robin M
A Robin B aircraft, fitted with the 115hp (86kW)Milwaukee Tank V-502 V-8 engine (air-cooled OX-5 conversions).
Robin W
(Model 50J) Powered by a 110hp (82kW)Warner Scarab radial piston engine. Only a small number were built in 1930.
XC-10
One Robin W was sold to the United States Army Air Corps (USAAC) and converted into an unmanned pilot-less radio-controlled test aircraft, powered by a 110hp (82kW)Warner R-420-1.
"FAA REGISTRY [N292E]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 31 July 2018. Retrieved 30 July 2018.
"FAA REGISTRY [N8313]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 30 July 2018. Retrieved 30 July 2018.
"FAA REGISTRY [N8332]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 30 July 2018. Retrieved 30 July 2018.
"FAA REGISTRY [N9283]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 31 July 2018. Retrieved 30 July 2018.
"FAA REGISTRY [N50H]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 31 July 2018. Retrieved 30 July 2018.
"FAA REGISTRY [N3865B]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 30 July 2018. Retrieved 30 July 2018.
"FAA REGISTRY [N563N]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 31 July 2018. Retrieved 30 July 2018.
"FAA REGISTRY [N532N]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 31 July 2018. Retrieved 31 July 2018.
"FAA REGISTRY [N534N]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 30 July 2018. Retrieved 30 July 2018.
"FAA REGISTRY [N7912]". Federal Aviation Administration. U.S. Department of Transportation. Archived from the original on 31 July 2018. Retrieved 30 July 2018.