Bob Hadley
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.
Plug-Gapping Tool
If you read Paul Dye’s article “Automotive Plugs in Lycomings” in the August 2023 issue, you know that using inexpensive automotive-style single-electrode spark plugs...
Oil Filter Slicer-Off-Er
The process of inspecting an oil filter is not complicated. Slice the top off using a filter cutting tool. Extract the cartridge that holds...
Hankering for an Anchoring
Most airports provide provisions to tie down transient aircraft. I’ve seen everything from loops of rebar sticking out of asphalt to cables and ropes...
Fly Cutting a Cove With a Boring Head
Fly cutting is a great way to put a “finish” on a flat and true face. The sweeping tool marks are not only instantly...
Chemysteries
All machined things (parts, tools, etc.) eventually have to be “finished” in one way or another. This may include tumbling, sandblasting or burnishing, but...
Bleeder Coupling
Bleeding hydraulic brakes of trapped air is something everyone who builds or works on airplanes eventually has to do. The process is fundamentally simple....
Calling All Collets
Most metal lathes come with a three-jaw chuck for a good reason: They are the best option for general-purpose work. They accommodate the widest...
Alternative Energy Projects
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
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...
In Case You Missed It
Wind Tunnel
Airplanes are surprisingly flexible, and changes in their shape can affect aerodynamic characteristics. Barnaby Wainfan explains how the two are coupled.
Flight Review: Seven into Ten
The four-seat Van’s RV-10 has been an enduring presence in the homebuilt universe, but its best years may still lie ahead. By Marc Cook.
What’s New
AeroLEDs introduces new landing/recognition lights, Wicks Aircraft offers a comprehensive assortment of O-rings. Edited