The best performance comes by feeding the servo the highest voltage for which they're rated, 8.4V but getting there can be tricky. We look at several ways of skinning this cat.

One of modelings premier engine men, and approaching 100 years on this Earth, Clarence Lee became an icon of the sport - and is revered - for freely sharing hard won wisdom regarding model engines, their care, and handling. This profile touches on one of his creations, the Lee Custom .61 as serially produced by K&B.

A wide range of servos are suitable for this versatile Hangar 9 model, but getting the right one involves honestly evaluating yourself as a modeler to keep from farting away more than you should, or to be happy with your choice.