The Full Wiki

More info on Thomas-Morse O-19

Thomas-Morse O-19: Wikis

Advertisements
  

Note: Many of our articles have direct quotes from sources you can cite, within the Wikipedia article! This article doesn't yet, but we're working on it! See more info or our list of citable articles.

Encyclopedia

From Wikipedia, the free encyclopedia

Thomas-Morse O-19
Role Observation biplane
Manufacturer Thomas-Morse
First flight 1920s
Primary user United States Army Air Corps

The Thomas-Morse O-19 was a American observation biplane built by the Thomas-Morse Aircraft Company for the United States Army Air Corps.

Development

The O-19 was based on the earlier Thomas-Morse O-6 biplane. It was a conventional two-seat biplane of metal construction with fabric-covered wings and fixed tail surfaces. The design was evaluated with a number of different engine installations and the type was ordered into production as the O-19B with a Pratt & Whitney R-1340-7 Wasp radial engine.

Variants

XO-19
Improved version of the XO-6 with a 450hp Pratt & Whitney R-1340-3 engine, one built.
YO-20
Similar to the XO-19 with a 525hp Pratt & Whitney R-1690-1 engine, one built.
XO-21
Similar to the XO-19 with a 600hp Curtiss H-1640-1 engine, one built later re-engined as the XO-21A
XO-21A
The XO-21 fitted with a 525hp Wright R-1750-1 engine.
O-19
Service evaluation aircraft with a 500hp Pratt & Whitney R-1340-9, two built.
O-19A
O-19 without the 88 US Gallon main fuel tank, one built.
O-19B
Production version with a 450hp Pratt & Whitney R-1340-7 engine, two machine-guns and modified cockpit, 70 built.
O-19C
O-19B with tailwheel, ring cowl and minor changes, 71 built.
O-19D
One O-19C converted as a VIP staff transport with dual controls.
O-19E
O-19C with extended upper span wing and a 575hp Pratt & Whitney R-1340-15 engine, 30 built.
YO-23
Similar to XO-19 with a 600hp Curtiss V-1570-1 engine, one built.
Y1O-33
One O-19B re-engined with a 600hp Curtiss V-1570-11 engine and revised tail surfaces, one built.
Y1O-41
A sesquiplane version of the Y1O-33 with a 600hp Curtiss V-1570-79 engine, one built. Later modified by Consolidated Aircraft as their Model 23 and exported to Mexico

Operators

 United States

Specifications (O-19B)

Data from The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing, Page 3000

General characteristics

  • Crew: Two
  • Length: 28 ft 4 in (8.64 m)
  • Wingspan: 39 ft 9 in (12.12 m)
  • Height: 10 ft 6 in (3.20 m)
  • Wing area: 348 ft² (32.33 m²)
  • Empty weight: 2722 lb (1235 kg)
  • Gross weight: 3800 lb (1724 kg)
  • Powerplant: 1 × Pratt & Whitney R-1340-7 Wasp radial piston engine, 450 hp (336 kW)

Performance

  • Maximum speed: 137 mph (220 km/h)
  • Service ceiling: 20,500 ft (6250 m)

Armament

  • 2 x 0.3in (7.62mm) machine-guns (one fixed forward-firing, one movable in rear cockpit)

Related development

Related lists

References

  • John Andrade, U.S.Military Aircraft Designations and Serials since 1909, Midland Counties Publications, 1979, ISBN 0 904597 22 9 (Page 137 and 138)
  • The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), 1985, Orbis Publishing, Page 3000
Advertisements

Advertisements






Got something to say? Make a comment.
Your name
Your email address
Message