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Sportsman Cleared for Flight Testing with UL Power 520i Firewall-Forward

The UL Power 520i engine is much lighter than the typical Lycoming installation. I moved the engine six inches forward and was still worried...

The Zen of Riveting

Most amateur builders think that riveting is just "plain riveting." You put the rivet in the hole, press the rivet against the metal with...

Glasair Engine to Fuselage Alignment

This builder tip was submitted by David Walker, Glasair II-S RG. Coming to the point where you want to align your engine to the firewall? The method...

Glasair FT Oil Drip Plate

Submitted by Mike Palmer, Phoenix, Arizona We have a Glasair FT with 900+ hours now. We try to keep the engine compartment clean (that is, no...

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