Maintenance

Each one of our experimental aircraft is unique, but they share many systems which need maintenance. It has to be done regularly to keep the aircraft airworthy, and it must be done correctly. Builders and owners share knowledge and tips for saving money in the process.

How I Lost 18 lb in One Day… Using the Earthx ETX680 Diet

My GlaStar has a Superior O-360 engine, Whirlwind GA200 propeller, heavy instrument panel, and leather interior so I stayed on the safe side and...

EarthX Lithium Iron Phosphate Batteries

I recently became aware of a great battery alternative for Glasair owners. Here is the statement from their website. About EarthX “EarthX, Inc. is a US...

Shimmy Fix for Nose-Heavy GlaStars

Nose wheel shimmy can be a very destructive and difficult-to-diagnose problem in aircraft with free castering nose wheels. Here's a simple solution to this...

Magnetic Engine Protection

I went through some expensive engine difficulties after having rebuilt an IO-360 engine for my Sportsman. The lifters and camshaft lobes showed signs of...

Auxiliary Airbox Retention

Installations affected Engine installations typically installed in Van’s aircraft. These are only updraft sump installations with FM-100 or FM-200, FM-200A fuel controls, using Vans filtered...

High Oil Pressure Reading

I have the Grand Rapids Technologies EIS4000 and am using it to monitor all critical engine parameters (e.g., oil temp, oil pressure). I had...
Cooling baffles

Baffles Reduce Cylinder Temperatures

This is a technical tip for the cylinder baffling modifications we’ve come up with for the IO-360 and IO-375 engines. The windows in front...

Frayed Rudder Cable

During my first annual condition inspection at about 100 hours, I had quite a surprise; the forward rudder cable had gotten caught on the...

Marc’s Sportsman: Wrapping Up the Annual

When we last left N30KP’s annual inspection, the pitot-static check had been completed and I was beginning work on the rest of the airframe....

Aux Fuel Pump

One of my aux tank pumps stopped working, so I decided to remove it and take it apart. New pumps are not expensive but...