Motor / propeller tester

Motor / propeller tester
Used to measure the combined engine / propeller thrust.
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Testeur moteur/hélice
Permet de mesurer la poussée Moteur/hélice combinée.
matériel nécessaire:
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Necessary material:
A weighing hook (3 €)
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Servo speed controller (2.5 €)
https://www.banggood.com/en/Wholesale-EK2-0907-Updated-Version-Servo-Tester-Server-Electronic-Speed-Controller-p-66240.html ? rmmds = detail-top-buytogether auto__2 & cu