If you need a horn to sound when the airspeed drops below a certain level or when the power is cut and the landing gear is still up and locked, an electronic circuitry solution is the lightest, most reliable and most cost-effective way to go.
Author Ron Wanttaja uses NTSB data to illustrate how Lancair designs of all varieties stand in the ratings of aircraft accidents vis--vis other homebuilts.
No one wants to experience a faulty mag drop (especially with a nervous passenger on board). Steve Ells offers some tips on how to reduce misfires and maximize ignition-system performance.