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Skycat Trigger Unit V2 (4S)

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Skycat Trigger Unit V2 (4S)


This is an electronic trigger unit for Skycat parachute launchers.

When a launch signal is received from the aircraft's receiver, trigger conducts power to the launcher from the flight battery or a dedicated parachute battery. Fuse heats rapidly and breaks, releasing the piston after only 0,2 seconds from command.

Trigger is designed to work in the most demanding environments for maximum reliability. PCB is very well protected against vibrations.

Trigger comes with 30 cm cables and un-soldered XT60 connectors. Wires can be shortened for better fit.

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  • Parachute battery: 3S - 4S
  • Receiver voltage range: 4.9 V - 6.1 V
  • Receiver wire length: 15 cm / 5.9 in
  • Weight (30cm wires): 40g / 1.4 oz
  • Dimensions: 4,7 x 1,6 x 1 cm / 1.9 x 0.6 x 0.4 in


Designed to withstand the most demanding environments

The trigger is protected against moisture and touch. All electronics and solders are covered by dipping the unit into liquid rubber. The coating protects against vibration and external elements, but keeps the unit very lightweight.

Our tests cover underwater scenarios, +90 °C (194 °F) temperature with 100% relative humidity, as well as -20 °C freezing conditions.

The circuit board reliability is established on multiple factors. Components are soldered through double-sided silver-plated board with brass bushings. It is very unlikely to have poor connection between the component and circuit board, even in a vibrating faulty copter.