The SW2.2 Stall Warning system is a simple electrical device that gives a clear sounding alarm if the aircraft flies slower than 1.1 times the stalling speed of the moment. This may be adusted to any other value during flight tests. The Aeromax SW2.2 is not certified. It is designed for experimental, homebuilt, ultralight aircraft and gliders, flying in non-icing conditions. Because the system feels the pressure around the wing, the stall warning adjusts automatically to position of flaps.

Features: Accurate threshold of operation, No mechanical parts protruding from the wing; no ground handling hazard, Automatically adjusts to the position of the flaps, Loud buzzer, audible even with headsets, Mechanically adjustable buzzer volume, Test button on instrument panel for control of battery and buzzer, Completely independent of the aircrafts electrical circuit, Mini lithium battery with a 5-yr. life, No electronics, No ON/OFF switch; system is always ready, No interface with audio sys. of the aircraft, Weight (incl. cables & battery): 11oz., Suitable for all aircraft with stall speed of 30 knots or more.