It is a requirement that the engine controls are labeled as to their function and operation. In this case, labeling the blue knob “Prop—Push High RPM” and the red knob “Mixture—Push Rich” would be sufficient.
In Case You Missed it
Although the KK-1 is scratch-built, builders Ken Scott and Ken Krueger have used all of the modern tools at their disposal to expedite the design and building process. This month, Scott discusses the more than satisfactory results of load-testing the wing and horizontal stab;