First some nomenclature: the magnetos in question are both a Bendix S4LN-21. That breaks down to Single type mag, meaning one drive and one set of outputs (as opposed to a single drive gear that turns ...

As the engines in America's production automobiles become more powerful with each succeeding year, it becomes increasingly difficult for engine and accessory designers to cope with some of the ...

With a legacy of manufacturing FAA/PMA parts to support the industry, Hartzell Engine Tech is offering PowerUP brand all-new direct magneto replacements for Bendix S-20 and S-200 series.” — Hartzell ...

The converted O-290G rebuild is nearly complete (at the time of writing this), so now I need to think about getting it onto our test stand and cranking it. But from whence some spark? I want to run an ...