Register

Ultimate Issue: Ly-Con Still Going Strong

A visit to Visalia, California, finds the aircraft engine builder near perfect but nothing fancy.

Ken Tunnell (seated) is the fuel and spark at Ly-Con, and brother Bryan oversees the vital inspection and assembly shop. [Tom Wilson/KITPLANES]
Gemini Sparkle

Key Takeaways:

  • Ly-Con Aircraft Engines, founded in 1980 by Ken Tunnell, has built a worldwide reputation for dependable and powerful general aviation engines through a meticulous focus on precision machining, measurement, and verification.
  • The company excels in both certified overhauls and high-performance engine builds, specializing in horizontally opposed engines for air racing and aerobatics, with insights from extreme applications benefiting all engine types.
  • Ly-Con maintains extensive in-house capabilities, including advanced machining (e.g., CNC milling, automated hones, align boring), unique processes like cryogenic heat treating, and two dyno cells, continuously investing in tools and research to improve engine performance and longevity.
See a mistake? Contact us.

If it weren’t for the snow-capped Sierra Nevada’s floating distantly in the haze, Visalia, California, might pass for Kansas.

The terrain is unremittingly flat, the roads checkerboard at right angles, and farming is what matters. Irrigation ditches and muddy tracks entering and then tapering off on the county roads are too numerous to notice, and the vastness in the crop rows and vault of open sky keeps human activity properly scaled inside nature’s expanse.

Tom Wilson

Tom Wilson got into general aviation in 1973 after pumping avgas and waxing flight school airplanes, but the lure of racing cars and motorcycles sent him down a motor journalism career heavy on engines and racing. Today he flies for fun in a Starduster and a shared Cessna 140A.

Ready to Sell Your Aircraft?

List your airplane on AircraftForSale.com and reach qualified buyers.

List Your Aircraft
AircraftForSale Logo | FLYING Logo
Pilot in aircraft
Sign-up for newsletters & special offers!

Get the latest stories & special offers delivered directly to your inbox.

SUBSCRIBE