Good Vibrations, Bad Vibrations

Mating a prop to an engine requires more than a big wrench and some safety wire. Follow along on a real propeller vibration test.

Build Your Skills: Metal, Part 2

How to meld with metal and bash rivets without blood or tears; by Dan Checkoway.

Calculating Weight and Balance

Tackling weight-and-balance calculations is a task we have all faced with some trepidation, but it is so vital, so important, so fundamental to flight...

Build Your Skills: Metal, Part 1

An RV builder begins our journey through the gritty details of working with metal.

In Case You Missed it

ECO-nomical Autopilot

And now for an autopilot thats completely different.

2020 Propeller Buyer’s Guide

Finding the right prop.

To Launch a Light Sport

Its 90% done with 90% to go! Bob Fritz has a flyable airplane and a semi-long list of things still left to do to improve it.

Checkpoints

Bad building practices.