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Bob Hadley

Bob Hadley
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Bob Hadley is the R&D manager for a California-based consumer products company. He holds a Sport Pilot certificate and a Light-Sport Repairman certificate with inspection authorization for his Jabiru J250-SP.

Alternative Energy Projects

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This month I’m taking a step back from doing the usual aircraft-related project to look at some “off the grid” projects that take advantage...

It’s a Knockout

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When it comes time to remove and replace bearings or bushings that are press fit into tubes or deep recesses, don’t be that mechanic...

Second-Thought Tie-Down Eye

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Every aircraft has tie-down points. Most of us never give them a second thought until a catastrophe strikes—like the big storm that threatened early...

Reverse Engineering a Glasair Tailwheel

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One day last summer, seconds after rolling from the hold short line to depart Las Vegas’ Henderson Airport, a freak wind gust caught David...

Panel for the Idiot Light, Part 2

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Given the compact nature of the Radiant Bingo 3 LED assembly, I figured mounting it would be a matter of finding some vacant real...

Low Fuel, Idiot, Light

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In the year 2019 BC (before COVID), I made a number of cross-country trips between 300 and 500 miles. While these distances were well...

Cogswell’s Molds, Part 2

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Last month I discussed the slump and drape molds that Steve Cogswell used for making fiberglass concealers/accessory panels for his RV-8. (Also see “A...

Cogswell’s Molds

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Some of the many cool details of Steve Cogswell’s RV project from last month’s column were the fiberglass parts made to conceal various lightening...

A Tale of Two RVs

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“Homebuilt” aptly describes where most project aircraft are assembled. But as you approach the final stages, it’s common to move from the home to...

Ten Degrees of Presentation

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The call came. At the other end was Kevin King, the owner of the resurrected Blue Mountain EFIS from last month’s Home Shop Machinist...

In Case You Missed It

Stressing Structure

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Beam column bending.

Aero ‘lectrics

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There are many ways to check the accuracy of your airplanes tachometer. From the commonplace to the offbeat, Jim Weir explains their benefits and drawbacks.

Engine Theory: Management

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Ignition and engine management-taking control of the combustion process.

Unusual Attitude

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On his way home from an unexceptional summer jaunt, author Bill Repucci got a most exceptional call from the tower.