Bob Newman from TCW Technologies shows us the TCW integrated battery backup system.
In Case You Missed it
Slow Leak From a Quick Drain
Solving the mystery of dirty oil leaking from an engine full of clean oil.
Engine Beat
Steve Ells surveys those in the know for tips about what to consider when contemplating the purchase of a used aircraft engine.
Around the Patch
A recent announcement that a major manufacturer would no longer be making and selling carburetors came as a shock. Although another company has taken up the challenge and will supply carbs, at least for the time being, this news may be the impetus needed to move more aviators toward fuel-injected power for their homebuilt aircraft.
Practical Electrical
Battery facts and fables for the aircraft builder–part 2. By Robert L. Nuckolls, III.