Thanks for the explanation! The program was 'How It's Made, Dream Cars" and the episode features the Ariel Atom. I guess I could have been more specific at the beginning. Thanks again!

Ty here. This is my first post. Born in FL, raised in GA, lived in NY 13 yrs, now in IL for 10 yrs. My dad was a Boilermaker but I didn't get to learn any arc welding from him. I've done lots of tiny torch work at a bench (jewelry) so I understood principles regarding heat travel but that's about as...