I might become active when I retire in 20 years, for the time being a sedentary hobby is not appealing.
Yes, some are into 'building', I get my fill of electrical troubleshooting, hands-on, etc. at my day job. If I was stuck working at a desk, then building would be an ideal outlet.
As for the OP.. I took my exams, was issued a call that I'm perfectly content with (systematically assigned). They can do as they wish with the exams..
Seeing as that went tangential, This is where I am on the solar trike I mentioned on another thread. As far as a radio on it, I suddenly remembered that I have an ICOM 706 that I can use.
It will get the solar panels on it soon (probably next weekend).
The PVC holding the control panel will not be part of the finished version.
As far as the original topic, as stated in a previous post, I think it is unlikely to achieve the stated purposes.