Rocket engine URM-1 is implemented on the rescue pilot seat type VS-1 BRI assigned for Czech aircraft L-39 Albatros. URM-1 is designed to accelerate pilot seat during its ejection. The purpose of this rocket engine is to raise pilot seat from the height level "Zero-Zero" on the height that enables safe parachute opening.

This TARA Aerospace AD Rocket Engine has been assigned with the NATO Codification System Number NSN 1377-77-000-0083.

Datasheet URM-1  (PDF, 252 KB)
This product is also listed in:  Rocket Engines  /  VS-1 BRI  /  L-39 Albatros

Specifications

Length410 mm
Diameter136 mm
Connections threadM12
Weight, approximate10 kg
Ignition withtwo fuses UP-014
Weight of the charge, approximate42 g
Weight of the propellant, approximate2.580 kg
Number of nozzles4 pcs.
Safe function in the temperature rangefrom -60°C to +60°C
Proper shipping nameRocket motors
UN Number0280
ADR Number1.1C
Packing GroupII

Packing

2 rocket engines in one wooden box.
Dimensions 710 x 370 x 285 mm.

Shelf life

9 years from the date of manufacture in the store.
8 years on aircraft or 1600 flight hours.