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.

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...

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...
lightweight-small-jack

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...

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...

Marc’s Sportsman: The Trim Saga

We left the end of the annual with a note about problems I’ve been having with the electric pitch trim system in my Glastar...
Cracked Sportsman nosegear bushing

Sportsman Nose Gear Bushing Inspection

When performing an annual inspection on the Sportsman nose gear, be sure to take a close look at the condition of the shock bushings. The...
Jacking adapter drawing

GlaStar Jacking Adapter

Here is my jacking adapter for my GlaStar. As you can see, it requires that the cut-outs for the other landing gear legs be...

Sensenich Fixed-Pitch Propeller Nomenclature and Repitching

Sensenich aluminum fixed-pitch propeller model designation system EXAMPLE..._70CM6S16-0-79_ _  Special letter prefix to identify accessories or composition of propeller. Current letters include 'S' for STC...

Sportsman Service Bulletin 71

Glasair Aviation has issued a service bulletin requiring inspection of the jam nuts in the horizontal stabilizer. Russ Beers reports that he purchased a 2...
Redesigned Sportsman float struts

Float Rigging Design & Maintenance, Part 1

I learned a lot about my Carbon Fiber Glasair Sportsman by building it in the factory two-weeks-to-taxi (TWTT) program, where it was initially put...
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