If you ask anyone working in the aviation industry what they think the most important component of modern-day planes is, chances are the vast majority may tell you that it is the jet engine.

There are very few machines as complex to build as a turbojet engine ... work is being done by hand. We don’t know the Russian translation for ‘hold my beer’, but [Igor] certainly does.

Sean Rader, director of maintenance at King Aero Management, repurposed scrap parts to build a demo turbine jet engine with cutaways ... You can explain what each part does.” ...