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.


Lightweight Custom Jack

Steve and I recently installed a set of Thomas Cox’s jack pads on our tricycle-gear GlaStar. These beautifully machined pads fit perfectly and will...
Engine disassembly

Engine Overhaul

As part of requirement to obtain my A&P certificate, I was to witness a few more engine overhauls, so I called Poplar Grove Airmotive...

Service Bulletin 73 for GlaStar and Sportsman: Garmin GSA 28 Autopilot Servo

Glasair Aviation issued Service Bulletin 73 for all Sportsman and GlaStar Aircraft equipped with Garmin GSA 28 autopilot servos. From the Service Bulletin: Compliance Time: Before...

Sportsman Cage Replacement in Cameroon, Africa

Several years ago, Tom Needham – missionary pilot in Cameroon – experienced an unforeseen downdraft on final approach into one of the many villages...

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...

Nuisance Oil Leaks

With about 370 hours on my Superior XP-360 engine, I had developed several small leaks that were difficult to track down, but I discovered a...

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...

PMag Pirep

I've had a Lightspeed EI (LSE) on my right side and a Slick impulse mag on the left. Both have performed with no issues...

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...

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...