Maybe a stupid question but I can't answer it with Google so it is time to ask.
There are lots of small screws and nuts used for mounting motors and other things. I can find size checkers for SAE that go down to #1 but I've come up short on the metric.
Do these exist? How do you guys identify...
Hi all! Still looking around for my first controller/hardware setup but I'm excited to get into the hobby. Any advice for a good cheap starter kit for someone interested in building their own planes on a budget?