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Bob Hadley

Bob Hadley
137 POSTS 7 COMMENTS
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.

Assistance for Resistance

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This month’s home shop project was suggested by Matt Burch. Matt sent a couple of photos of a cool time-saving tool he made to...

Case Hardening

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Having a machine shop means never having to say, “I can’t make that.” That occurred to me one afternoon when I was making a sprocket....

Accessory Stacking To Mill an Arc

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Securely holding small parts for machining is always a challenge. The solution may be to use a work-holding gadget such as a pin vise...

Driver Upgrade for Avionics Trays

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Installing small screws into the tight confines of a deep avionics tray is a challenge that can be both annoying and frustrating.

ERCuSi-A Silicon Bronze, the AlternaTIG Option

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Last summer I had the chance to get some hands-on experience with TIG brazing. Other than a YouTube video or two, I knew next...

LSA Tail Stand

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I decided I needed a tail stand after my transponder inspection last spring. A normal transponder inspection is pretty basic: Turn on the avionics...

Whatever Works!

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One of the things that I learned from reading Paul Dye’s coverage of last year’s Reno Air Races was that everybody uses tape to...

Spinner Bulkhead Clocking

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Spinner woes were the topic of midsummer musings on Van’s Air Force this year. Specifically, Bill from Virginia commented how, after getting his Hartzell...

Plug-Gapping Tool

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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

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The process of inspecting an oil filter is not complicated. Slice the top off using a filter cutting tool. Extract the cartridge that holds...

In Case You Missed It

Buzzwords: Human Factors—The Basics

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Small design considerations can have a big impact on comfort, convenience and safety.
p-38 2/3 scale

Forked-Tail Masterpiece

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Jim O’Hara’s scratchbuilt P-38 is a multi-generational effort .

What’s New – Oxygen Concentrator, Factory-Built Searey, Dynon ADSB-in

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Progressive Aerodyne to offer factory-built SeaRey, Windblade introduces Inogen Aviator G2-1050, and Dynon ships new ADS-B “In” weather and traffic receiver for SkyView EFISes.
subaru alternative engine

Why Alternative Engines Rarely Save Money

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You can try it, but don’t expect to come out ahead—or airborne—without a fight.