My son made a lego vacuum supercharger that reaches 29000rpm
Originally published by r/lego

My son made a lego vacuum supercharger that reaches 29000rpm

September 22, 2026
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A talented 14-year-old aspiring mechanical engineer has designed and built an impressive LEGO vacuum supercharger that reaches a staggering 29,000 RPM. The young builder spends every day modifying and refining his creation, demonstrating an exceptional passion for mechanical design and ingenuity that recently amazed his parent.

The proud parent shared the remarkable achievement online, noting that after some internet research, the young creator may have even broken a record with the ultra-fast LEGO build. A video detailing the high-speed supercharger is available on YouTube for those wanting a closer look at the mechanism in action. Following positive and fantastic advice from the r/MechanicalEngineering community, the parent is now actively seeking ways to support the teenager's engineering ambitions.

Unfortunately, the young builder lacks access to local LEGO clubs or school-sponsored programs where he can connect with peers who share his interests. Finding communities or mentorship opportunities for mathematically and mechanically minded youth can significantly boost a budding engineer's confidence and skill development. Parents looking to encourage young creators at home can also provide tools like a brick separator for intricate builds or a LEGO storage box to keep complex engineering components organized.

He is 14 and wishes to become a mechanical engineer. He has built a lego vacuum engine and spends every day changing 'something'! He was very excited to tell me. After some googling, I think he may have beaten some kind of record? There is a video on YT with more info; https://youtu.be/17Ih307\_zOY?is=b2Q3tIaVN5TtiVqH I posted on r/MechanicalEngineering a few days ago asking for advice about what I can do for him. The advice over there was fantastic. Unfortunately, lego-wise, there are no...

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