Continental R-670
The Continental R-670 was a seven-cylinder four-stroke radial aircraft engine produced by Continental displacing 668 cubic inches and a dry weight of. Horsepower varied from 210 to 240 at 2,200 rpm. The engine was the successor to Continental's first radial engine, the 170 hp Continental A-70. This engine was used on many aircraft in the 1930s and 1940s. The R-670 was widely used in the PT-17 Stearman primary training aircraft of the U.S. military.
In addition to being used in aircraft, the R-670 was used in a number of light armored vehicles of World War II.
Variants
Data from: Jane's All the World's Aircraft 1938Variants of the W670 included:
;W670-K:carburetor, 5.4:1 compression, 65 Octane, front exhausts and
;W670-L:carburetor, 5.4:1 compression, 73 Octane, rear exhausts and
;W670-M:carburetor, 6.1:1 compression, 80 Octane, front exhausts and
;W670-N:carburetor, 6.1:1 compression, 80 Octane, rear exhausts and
;W670-K1:fuel injection, 5.4:1 compression, 73 Octane, front exhausts and
;W670-L1:fuel injection, 5.4:1 compression, 73 Octane, rear exhausts and
;W670-M1:fuel injection, 6.1:1 compression, 80 Octane, front exhausts and
;W670-N1:fuel injection, 6.1:1 compression, 80 Octane, rear exhausts and
Applications
Aircraft
- American Airmotive NA-75
- Boeing-Stearman Model 75
- CallAir Model A
- Cessna 190
- Eagle Aircraft Eagle 220
- Fairchild PT-23
- Funk F-23
- G class blimp
- Grumman G-164 Ag Cat
- Kellett K-2A, K-4
- Morane-Saulnier MS.317
- Timm N2T Tutor
- Waco 240-A
- Waco Standard Cabin series
- Waco Custom Cabin series
- Waco A series
- Waco F series
Armored fighting vehicles
- T2 Combat Car
- T4 Combat Car
- M1 Combat Car
- M2 Light Tank
- M3 Stuart
- Landing Vehicle Tracked