O-320 Models |
Characteristics |
O-320 |
Basic model - four cylinder, horizontally opposed air cooled, direct drive with automotive type generator and starter, provides for single acting controllable pitch propeller. |
O-320-A1A |
Same as O-320, model designation change only. |
O-320-B1A |
Same as O-320-A1A except for compression ratio, fuel grade and rating. |
O-320-A1B, -B1B |
Same as O-320-A1A and -B1A respectively except have straight bore carburetor riser. |
O-320-A2A, -A2B, and -B2A, -B2B |
Same as O-320-A1A, -A1B, -B1A and B1B respectively except have no provisions for controllable pitch propellers. |
O-320-A2D |
Same as O-320-E3D except crankcase machined for conical instead of Dynafocal mounts. |
O-320-A3A, -A3B, -B3A, and -B3B |
Same as O-320-A1A, -A1B, -B1A, and -B1B respectively except have provisions for 7/16" propeller attaching bolts. |
O-320-A2C, -A3C |
Same as O-320-A2B and -A3B respectively, except for magnetos. |
O-320-B2C, -B3C |
Same as O-320-B2B and -B3B respectively, except for magnetos. |
O-320-B2D |
Same as O-320-D1D except conical engine mounts and no prop governor |
O-320-B2E |
Similar to –B2B except carburetor located same as O-320-D models |
O-320-C2A, -C2B, -C3A, -C3B |
Same as O-320-B2A, -B2B, -B3A and B3B respectively, except have O-320-A series, low compression pistons, reduced ratings and lower grade fuel requirements. |
O-320-C1A, -C1B, -C2C, -C3C |
Same as O-320-B1A, -B1B, -B2C, -B3C respectively, except have been converted to low compression pistons. |
O-320-D1A |
Same as O-320-B3B except has provisions for dynafocal mounts. |
O-320-D1B, -D2B |
Same as O-320-D1A and -D2A receptively, except for magnetos. |
O-320-D1C |
Identical to O-320-D2C except has provision for controllable pitch propellers. |
O-320-D1D |
Similar to O-320-D1A except incorporates Slick instead of Bendix magnetos and has a horizontal carburetor and induction housing |
O-320-D1F |
Identical to O-320-E1F except is equipped with high compression pistons and has higher H.P. rating. |
O-320-D2A |
Same as O-320-D1A except has no provisions for controllable pitch propellers |
O-320-D2C |
Similar to model O-320-D2A except for magnetos. |
O-320-D2F |
Similar to O-320-D1F but does not have provisions for controllable pitch propeller. |
O-320-D2G |
Identical to O-320-D2A except incorporates Slick instead of Bendix magnetos and 7/16 instead of 3/8 prop. flange bolts. |