In Case You Missed It
The Home Machinist
Bob Fritz is back from a long hiatus with a discussion about the difference between screws and bolts and what all of those ASME numbers mean.
Aspen Avionics AT300
Aspen Avionics AT300 is designed to be a drop-in replacement for a vertical speed indicator, but you'll get a lot more usable information in the cockpit when you couple it to your GPS; by Rick Lindstrom.
Home Shop Machinist
Conrad Norquist shows how the 6061 tubes supplied with Airdrome Aeroplanes kits are...