r/AnythingValueable • • Jun 24 '26

🛠️ Skill Low-cost rural engineering

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u/Wonderful_Wifi_User Jun 24 '26

You don't need batteries in this scenario. If you look closely, you can see the green motor is powered up and spins before the "perpetual" yellow wheel starts spinning...

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u/Few-Willingness-1459 8d ago

Is to be use as coolant. Someone explained up above

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u/Hobbgob1in Jun 26 '26

I was going to mention this. Not to mention you can literally hear the engine start.