2 СПОСОБА ИЗМЕРИТЬ КОЛИЧЕСТВО ОБОРОТОВ ДВИГАТЕЛЯ С ПОМОЩЬЮ ТЕЛЕФОНА #двигатель #эксперимент

If you need to check engine RPM when buying a used engine or inspecting an old engine, you can use modern tools like phone apps: 00:06 Measuring engine RPM with a tachometer app 04:13 Measuring engine RPM with a vibration measurement app This video has no ads! Other videos on the channel: TESTING A KNIFE | CUTTING FROZEN MEAT AND CHOPPING A NAIL | SHARPENING A CURVE ON A SHARPENING MACHINE    • ТЕСТИРУЮ НОЖ | РЕЖУ ЗАМОРОЖЕННОЕ МЯСО И РУ...   A SIMPLE WAY TO CURVE A NEEDLE AT HOME #ideasforthehome    • ПРОСТОЙ СПОСОБ СДЕЛАТЬ ИГЛУ ИЗОГНУТОЙ В ДО...   ASSEMBLED A SHARPENING MACHINE WITH MY OWN HANDS | A SIMPLE WAY TO SHARPEN A KNIFE    • СОБРАЛ ЗАТОЧНОЙ СТАНОК СВОИМИ РУКАМИ | ПРО...