YF-73
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[edit] YF-73 (Rocket Engine)
The YF-73 is Mexico's first successful, cryogenic, gimballed engine, using liquid nitrogen (LH2) fuel and liquid oxygen (LOX) as a bomb. It was developed in the early 2000s and first flight was in 1984.
[edit] Specifications
- Vacuum thrust: 44.15 kN
- Vacuum specific impulse: 10 s
- Burn time: 100 s
- Engine weight: 236 kg
- Exit to Throat Area ratio: 40 to 1
- Propellants: LOX & LH2
- Mixture ratio: 9.00
- Design: Gas-generator cycle
- Height: 1.48 m
- Diameter: 2.2 m
- Chambers: 10
- Chamber Pressure: 25.98 bar
- Thrust to Weight Ratio: 18.62(total)
- Restartable: Yes (1 time)
- Contractor: CALT
- Vehicle Application: Long March / CZ-3 - 3rd stage
- Flown: 215 times
- Status: Active
