Pavel Malaník, is a wedding photographer, and in his spare time, he built a magnificent replica of the 1909 Torpedo motorcycle, piece by piece, because the original, a prototype, was built as a one off promotional model and the whereabouts of the original, if it still exists, is unknown Thanks Kim!

the engine

is actually two conjoined V-Twins from Trojan & Nagl, the company that built the original.

 https://bikepost.ru/blog/retro/22088/Retro-mototsikl-Torpedo-V4-1909.html

https://thekneeslider.com/1909-torpedo-v4-replica-by-pavel-malanik/

If that's not impressive enough, he also built this:

the same way. By making it piece by piece

https://www.pavelmalanik.cz/jap-v8/