Category:Straight engines

2

• Straight-twin engines (12 P)

3

• Straight-three engines (49 P)

4

• Straight-four engines (1 C, 313 P)

5

• Straight-five engines (22 P)

6

• Straight-six engines (169 P)

8

• Straight-eight engines (18 P)

A

• Aircraft air-cooled inline piston engines (12 P)

I

• Inline radial engines (11 P, 1 F)

• Straight engine

2

• Straight-twin engine

3

• Straight-three engine

4

• Straight-four engine

5

• Straight-five engine

6

• Straight-six engine

7

• Straight-seven engine

8

• Straight-eight engine

0

• Straight-nine engine

1

• Straight-twelve engine
• Straight-fourteen engine