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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.

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...

Hobble the Wobble

Late in 2021 my buddy Kevin King was in the middle of upgrading the panel on his SQ-2000. He was swapping out the original—and...

Toe Bar

Uneven tire wear is usually an indication of a problem with wheel alignment. Most of the time, the issue will be with toe, which...

How the Bead Goes On

Welded assemblies (also known as weldments) can be found on just about every airplane. Even my Jabiru, which is 99% fiberglass, has a tubular-steel...

Solving a Calibration Conundrum

Of all things, I never dreamed that out of the 40+ screwdrivers and dozens of driver bits that I own, one day I’d need...

iPad Chiller

Just about every pilot I know uses an iPad or Android tablet with ForeFlight, Garmin Pilot or WingX software. In most cases it’s their...

In Case You Missed it

Alternative Energies

Electric vehicles and aircraft may be the future, but how will we create the energy to power them while minimizing environmental damage? By Dean Sigler.

What’s New

Dr. RoTech introduces an engine analyzer for Rotax 912/914 engines, Planemakers offers builder assistance for composite aircraft, and Ameritech distributes Electroair ignition systems.

Here Come Hell’s Bells Again

We can use decibel calculations no matter if we are measuring in power or voltage; the calculations and outcome are identical.

Best Practices – Blind Rivets

Blind rivet selection and installation.