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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.

It’s a Knockout

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

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

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

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

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

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

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

“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

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...

Temporary Resuscitation

Last month we tackled the wobbly control stick on Kevin King’s SQ2000. This month was going to be about making an adapter to fit...

In Case You Missed it

Make Your Aircraft Look Fantastic!

Who doesn't want their homebuilt aircraft to look like a million bucks?

Product Review: Lightspeed Headset

With Bose and LightSpeed competing neck and neck (ear to ear?) in the ANR headset arena, author Jack Cowell does a side-by-side comparison to see which model excels.

Aero ‘lectrics

Its important to understand the fundamentals before you can be conversant in electrical theory, so lets revisit Georg Simon Ohm and James Watt to see how their laws factor in to aircraft applications.

Material Matters-Aluminum

Aluminum is usually marked by the manufacturer to indicate the alloy and temper....