This is one of the most enjoyable things I've ever seen on HN. It's just ... fun. I remember doing PWD with my dad when I was a kid, shaving #2 pencil cores to

This is one of the most enjoyable things I've ever seen on HN. It's just ... fun. I remember doing PWD with my dad when I was a kid, shaving #2 pencil cores to get graphite for the axles, making a batmobile one year, and generally doing things that probably had no influence on making the car faster, but that involved a lot of Time In The Shop Experimenting. PWD is the kind of thing that makes hackers out of impressionable youngsters.