The Rickenbacker engine that gave 60 hp at 1,650 rpm and 75 hp at 2,400 rpm.

“Rickenbacker-60”

-This engine was designed by engineer Glenn Angle and built by the Detroit Aircraft Engine Works. Other information attributes the design to Cpt. Eddie Rickenbacker "ace" of WWI.

From Appendix 12: Photograph of the five-cylinder engine that appears in a drawing in the main text.

“Rickenbacker, 60 HP” (PiP-Flu)