Part 3/7:

Fabricating the fins proved to be an enjoyable yet challenging task. After some trial and error with soldering—especially dealing with the unique properties of soldering steel—the engine's cylinder was successfully outfitted with cooling fins.

Tackling the Flywheel Challenge

A recurring concern in earlier engine builds was the flywheel detaching during operation. To rectify this, the creator intended to modify the crankshaft to accommodate a more secure attachment of the flywheel. After machining and welding a hub onto the crankshaft, a secure mechanical connection was achieved—this was pivotal in ensuring the engine's operation.