Franklin O-200
# Franklin O-200

The Franklin O-200 (company designation 4AC-199) was an American air-cooled aircraft engine of the early 1940s. The engine was of four-cylinder, horizontally-opposed layout and displaced 200 cu in (3 L). The power output ranged between 65 hp (48 kW) and 100 hp (75 kW) depending on variant. The O-200-5 (4ACG-199) featured a geared propeller drive.

## Variants

### 4AC-199

       O-200-1
       O-200-3
       O-200-7
       O-200-9

### 4ACG-199

       O-200-5

## Applications

### Direct drive

* CAP-1 Planalto
* CAP-5 Carioca
* Aeronca Arrow
* Babcock LC-11
* Culver Cadet
* LAR-90
* XPQ-8
* TDC-1 target drone
* Interstate Cadet
* Langley Twin
* Monocoupe 90
* Piasecki PV-2
* Rearwin Skyranger
* Sackett Jeanie
* Stinson 10
* Stinson L-9
* Stout Skycar

### Geared drive

* Convair (Stinson) Model 103
* Spratt Tilt-Wing
* Goodyear Duck
* Interstate Cadet
* Interstate L-6
* Piper PA-7 Skycoupe

## Specifications (O-200-5/4ACG-199)

Data from

### General characteristics

* Type: 4-cylinder air-cooled horizontally opposed aircraft piston engine
* Bore: 4.25 in (108 mm)
* Stroke: 3.5 in (88.9 mm)
* Displacement: 198.6 in³ (3.25 L)
* Dry weight: 224 lb (102 kg)

### Components

* Cooling system: Air-cooled

### Performance

* Power output: 102 hp (76 kW) at 3,500 rpm
