GEARBOX/MOTOR ELECTRIC HYDROFOIL MAINTENANCE, PROTOTYPE 1

Observation, cleaning and maintenance of gearbox/motor 12s 16Ah lipo batteries water pump 5:1 Reisenauer gearbox tp power motor 5870 http://www.tppower.com/sort.asp?class... 120mm propeller, diameter https://es.aliexpress.com/item/330046...