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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.

Billet or Weldment With Off-Axis Turning?

People tend to design around their particular expertise. A machinist will design based on machining parts out of solid billet, a welder will design...

Ye Olde Slip Roll

This month’s project is a follow-on to the Pietenpol muffler that was the subject of the Home Shop Machinist column in the May 2019...

Lightweight Stepladder

I affectionately refer to my Jabiru light-sport as being a “low high-wing” airplane. This is because, despite it being a high-wing configuration, you have...

The Other P Factor

Late last year I flew from Southern California to Tucson and back in my Jabiru Light Sport. The flight was about 3½ hours each...

Tilting the Mill Head

Most milling machines have the capability to tilt the head to make angled cuts. This comes in handy when the workpiece can’t be conveniently...

How to Run an Airline

Compressed air is one of the great, yet unheralded, conveniences of the modern workshop. It’s without a second thought that we blow chips off...
Dimple die polished

Home Shop Machinist: Power Polishing Promise

Back in the February 2019 issue of KITPLANES®, I promised a column about polishing on the lathe. I’m finally able to make good on...

Findlay Punch

Hole-making punches, also known as knockout punches, are a quick and easy way to make accurate holes in aluminum sheet. Punching works by shearing...

Chamfers and Tapers

The usual setup for my lathe is to have the compound slide set to 45 degrees and the tool post square to the spindle...

Brake Turn

My local airport, Corona Municipal in Southern California, sits in the Prodo Dam basin and is known to flood on occasion. Last February, heavy...

In Case You Missed it

Sikorsky S-38 Project

Building a 55%-scale, amphibious twin-engine flying boat seems like an ambitious project, and it is. But this former WW-II B-25 commander with four homebuilt aircraft already under his belt tackled it anyway. By Rick Lindstrom.

2014 Alternative Engine Buyer’s Guide

Converted for flight. By Patrick Panzera.

Aero ‘lectrics

Make the scene at your next airshow with a homemade aircraft band antenna, state and national flags, and an aircraft data sheet that gives spectators the vital statistics on your aircraft.

Letters

Aircraft WiringIn "Top Ten Wiring Mistakes" , I did not see mention of an...