» Pins B, A, and D move in a circular arc » Small displacement B, A, and D in straight motion » Use similar triangle rule to determine the displacement ratio 0 05 15 4 0 = − = =− = =− = ∑ ∑ ∑ F F F P F C M P F F y B A x x C B A 4 15 5 δ A δ B= δ D It can be used to relate F A to F B * There was no production variant designated 'P40A', this was a oneoff conversion of a P40 into a photorecon bird ** P40Gs were P40s fitted with H81 wings For more info about the different variants of the P40, take a looksee HEREThe P40 was produced in great variety throughout the war The P40B used a a 1040 hp (775 kW) V engine and was armed with two 050 machine guns in the cowling and two 030 machine guns in the wings The C used a 1040 hp (775 kW) V engine and added two more 030s in the wings Neither the B or C had any provisions for bombs, but 2 "¯^ ~fBA p[} 40'ã