In Case You Missed It
The Home Machinist
If your hacksaw has been relegated to the bottom of your toolbox, chances are its because you don't know how to use it properly. Author Bob Fritz offers a primer on the subject that may make you think more highly of this underused tool. A discussion of cam construction and keyless chucks rounds out this installment.
Becoming a Designated Airworthiness Representative (DAR)
The long road to issuing airworthiness certificates.
Wind Tunnel
Barnaby Wainfan offers an explanation of how tail surfaces can be subject to flutter and how to avoid the potentially disastrous result.
Firewall Forward: Spark Plug Maintenance
KITPLANES editor at large Paul Dye goes into detail on how to inspect and...