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.

SilverHawk EX

Safety alert: Precision Airmotive Fuel Injection Servos

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Attention All Owners of aircraft with Lycoming Fuel Injected Engines. Please read these safety alerts from Precision Airmotive. Hex plug 383493 coming loose from regulator cover. Service...
custom airplane jack

Gear Jack

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I built this custom jack for changing the wheels and brakes on a GlaStar. I welded an extension on the end of a regular cheap auto...

Marc’s Sportsman: The Trim Saga

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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...

Marc’s Sportsman: Wrapping Up the Annual

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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....

Sportsman Trim Saga & Safety-Trim

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Until recently, I had been having problems with the electric pitch trim system in my Sportsman. It’s the standard electric setup using the Ray...

Using an Engine Dehumidifier

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On page 121 of the April 2007 issue of EAA’s Sport Aviation, there was an article titled “Power Plant Insurance,” by Dave Barker. It...

Hazardous Chemicals in the Building Process

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As you build and maintain your airplane you will likely use a number of hazardous chemicals. Knowing how to handle these chemicals safely and what...
Spark plug tray, adjusting tool, gap gage, spark plug socket and extension, magneto timer, torque wrench, combination wrenches, ratchet, socket and extension

Tools to Maintain Your Sportsman or GlaStar

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As we get more Sportsman builders who may not have extensive tool collections, the question has come up, what tools do I really need...
Jacking adapter drawing

GlaStar Jacking Adapter

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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...

Shimmy Fix for Nose-Heavy GlaStars

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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...