An updated prototype version of our 4 in 1 ESC has passed flight tests on a sub-2kg quadcopter. The ESC was combined with Ichor Autonomy’s Flight controller the Aquila H7, and was able to demonstrate stable flight and current draw as well as validating the ESC interfaces under flight conditions for the Flight stack as a hole.

This system is an upgrade to the previous models, in that it utilises an industry standard 20mm hole pattern and overall dimensions of 35mm wide and 46mm long. The voltage ranges are 2-4S (7.4V – 14.8V nominal) and the test drew about 7 amps per motor. The system is designed to draw up to 40 Amps maximum per motor, but we expect that any draw over 15 Amps per motor will require additional cooling solutions.

Ichor Autonomy will begin low rate production in Jan 2026 of both ESC and flight controller stacks. The production variant will include heavier internal traces for improved current and heat management.