Hirobo HI0304074 Lepton Lex Cooling Fan (compatible with Lepton Lex)  [HI0304074]

Compact fan for Lepton Lex models

The Hirobo HI0304074 cooling fan is an aftermarket accessory for the Lepton Lex series, designed to channel airflow to critical electric components. It functions as an added cooling device to reduce temperature rise on motors and nearby electronics during flights and bench runs.

Fitment targets Lepton Lex assemblies, so confirm the fan clears the motor mount and fan housing on your specific airframe prior to installation. The fan is intended as a supplemental cooling item rather than a main drivetrain part.

To install: attach the fan to the designated mount or bracket, run the wiring to an appropriate power point, and verify polarity before powering. Tidy cable routing is important to keep leads away from rotors and linkages.

Performance note: adding this fan helps limit thermal buildup during prolonged hovers or intensive testing, which supports consistent motor output and lessens chances of heat-related power reduction. Incorporate it into your thermal checks when adjusting ESC profiles or payload setup.