|Structure of INDELA SP-35 system at UAV landing mass of 35kg ensures the following performance characteristics|
|Maximum speed of parachute activation||m/s||60|
|Minimum speed of parachute activation||m/s||15|
|Minimum height of parachute activation above landing field level||m||100|
|Maximum (barometric) height of parachute system activation||m||3500|
|Barometric height of landing field location above the sea level||m||up to 2000|
|UAV load, while activation of parachute system||kgf||not more than 400|
|Amplitude of system’s snap-back angle at the moment of landing||degree||not more than 30|
|Functionality at the temperature||°С||-40 - +60|
Operation of the parachute system.
After separation of a parachute container cap from UAV, auxiliary parachute enters the flow, which, after being filled, sequentially stretches the cover with the main parachute from the container, shrouds – from the cell chamber, then – cupola from the cover.Structure and operation of parachute system elements. Main parachute structurally represents “duplex cross” with a vent. Eight paddle parachute cupola is made of F-111 fosta nylon fabric produced in RSA with low level of air permeability ad is strengthened by the frame from LTKP-10-70 belt (with the strength of 70 kgf). Shrouds (16 items) are produced from hi-modulus polyethylene (Dyneema) with the strength not less than 120 kgf. Cover designed for main parachute packing represents a conic container with the length of about 2m. In the upper part, the cover has a loop for connection with VP and in the lower part – two eyelets for coupling of the cover. Honeycomb for placement of main parachute’s shrouds are abut at the side face of the cover. Honeycombs are covered by the skirt.
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