Dan Thomas

If it was a really weak battery, the contactor would chatter. That's caused by the starter's low resistance causing enough of a voltage...

That says that the contactor's plunger is moving, but the lack of action implies either worn-out contacts in the contactor, or the...

Drilling out the holes weakens the prop tremendously. There is as much as 40 tons pulling outward on each blade, plus eight other...

More than it's worth. The original part was forged and machined. Forging is expensive, especially for tiny production runs, and most...

AK means Accessory Kit.

Nope. If it's not in the engine's parts catalog, or listed on an STC that applies to that engine, it's not legal. Homebuilts are an...

It would take some doing to get a propstrike on a trike, but some actually achieve it. The nosegear is usually bent or broken, though...

Spring tabs: https://simpleflying.com/how-are-flight-controls-moved/ Halfway down the page.

Propeller mass via direct drive takes longer to stop. The geared Rotax uses a smaller engine with less rotating mass and runs it faster...

Nick.

Getting a look at the camshaft requires the removal of at least one cylinder, and that only lets you look at half the length of the cam...

An A&P/IA on my field just built a Carbon Cub to sell. He also buys damaged aircraft and makes them flyable.

You cannot resell your guitar training. You bought it, you got it. Nobody can pay you for it and instantly be able to play the guitar...

Lycoming's old O-145 had the plugs both up top. Didn't seem to work well at all. It was advertised as a 65 HP engine, but most users...

So true. That turbine doesn't lurch forward every time a cylinder fires and decelerate on every compression stroke. It's a Brayton-cycle...