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Tom Kuffel

Tom Kuffel
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Tom Kuffel, builder of a Glasair Sportsman, is a 4000-hour CFI with sea and multi-engine ratings. He has also flown on several hundred aircraft searches while managing to be the subject of one or two himself.

Two-axis Electric Trim Controller for Under $50

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This homebuilt two-axis electric trim controller has all the functions of the fanciest commercial units, yet it costs less than $50 for the parts.

Simplified One-Off Electronic Projects

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As homebuilders, we are accustomed to doing a lot of preliminary and/or tooling work to build a couple of pieces for our aircraft. Tom Kuffel created an auxiliary fuel transfer pump controller for his GlaStar Sportsman for next to nothing, a real savings over the retail price of $300, and he describes how he did it.

In Case You Missed it

When Good Electrons Go Bad

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When wiring up a homebuilt aircraft, it pays to ask: What do I want to protect myself from?

Grinvalds Orion

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Jean Grinvalds’ plansbuilt four-seat pusher design was ahead of its time, predating the Bede BD-5, VariEze, Prescott Pusher and Cirrus VK-30. By Geoff Jones.

Ask the DAR

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Mel Asberry clarifies the requirements for a builders log. The bottom line? The requirements are minimal: It should show that you actually built the aircraft, but its helpful to show as much detail as you can. And make sure you're in the photos, doing the work.

Small-bottle O2: Aithre, Aerox Compacts

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Personal-sized oxygen bottles save space and weight, while serving as belt-and-suspender backup. But go bigger if you use O2 regularly.