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.
Do-It-Yourself Push-To-Talk Switch
Talking on the communication radio in your homebuilt aircraft requires a simple push-to-talk (PTT)...
