P-39 vs Bf-109
Airplanes armament and equipment
1 x 37mm Oldsmobile cannon firing through the propeller hub with 34 rounds OR 1 x 20mm Hispano-Suiza cannon. 2 x 12.7mm machine guns in the upper forward fuselage with 200 rounds each. 4 x 7.62mm machine guns in wings (2 to a wing) with 1,000 rounds each. |
1 x cannon in propeller hub 2 to 4 x 7.9mm machine guns in engine cowling or wings 2 x cannons in underwing gunpods. External drop bombs and air-to-air rockets (later production) |