Started at 400 to get through the clear coat, then mostly 600. Bondo, jumped up to 800 and that was good enough to prime. I'd then buff it with wet 1000 on a block to get it really smooth and uniform.
In retrospect, I was really broke at the time, I had looked into taking the tank to a powder coating place, they have a sand blasting machine but I had more time than money. I think it'd work out to $100 for a frame if you disassemble it ahead of time.
You can try it, but I didn't have much luck. It turns out scuffed paint works great as a primer, just FYI. I repainted my motorcycle tank by leaving most of the old stuff on, and carefully sanding smooth in an x-pattern.
Using the same wiki you've linked, notice the word "accreditation" as key to the concept of a professional degree, with which you'll then note all engineers who graduate in the US must be. Yes, all.
ABET is our accreditation body. Thus, we are professional by your own definition.
Beyond that, one can also be licensed, but that is already in addition to already being an accredited professional by way of at least an accredited baccalaureate.
Finally, I'm going to be a little rude here, this example of useless pedantry is particularly why I left academia with prejudice. It's been nice educating you on these unimportant minutea, take care.
It has also been reported that engineering, a business master's, counseling or therapy, and speech pathology will not be considered "professional" either.
Engineering is not professional? What a laughable sack of shit. We're going to have a lot of work ahead to undo this damage.
I look forward to improving our systems better than they'd previously been when trump and project 2025 showed up.
Oh man, but look how much more efficient they are: You have a large, high energy network to draw from when climbing very hard hills and full of passengers.
So the bus electric motor only has to pull itself, the chassis, and the passengers up the hills, instead of all the above plus a several thousand pound battery, whose weight does not vary with state of charge.
My point is, I know you're aware they're better, but they're so much better to where it blasts appearance out of the question for me and others who understand the system.
Not to nitpick, but why complain about other generations at all?
There are awesome people everywhere and of all ages.. a few goofbags too. 🤷