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Angara A5
 Launch of Angara A5 | |
| Function | Heavy-lift launch vehicle |
|---|---|
| Manufacturer | Khrunichev KBKhA |
| Country of origin | Russia |
| Cost per launch | US$100 million (2021) [1] |
| Size | |
| Height | 55.4 m (182 ft) |
| Width | 8.86 m (29.1 ft) |
| Mass | 171,500 kg (378,100 lb) - 790,000 kg (1,740,000 lb) |
| Stages | 2-3 |
| Capacity | |
| Payload to LEO (Plesetsk) | |
| Mass | 24,500 kg (54,000 lb) |
| Payload to GTO (Plesetsk) | |
| Mass | 5,400 kg (11,900 lb) - 7,500 kg (16,500 lb) |
| Associated rockets | |
| Family | Angara |
| Comparable | Naro-1 |
| Launch history | |
| Status | Active |
| Launch sites | Plesetsk, Site 35 Vostochny, Site 1A |
| Total launches | 4 |
| Success(es) | 3 |
| Failure(s) | 0 |
| Partial failure(s) | 1 |
| First flight | 23 December 2014 |
| Last flight | 11 April 2024 |
| Boosters – URM-1 | |
| No. boosters | 4 |
| Powered by | 1 × RD-191 |
| Maximum thrust | 1,920 kN (430,000 lbf) |
| Total thrust | 7,680 kN (1,730,000 lbf) |
| Specific impulse | 310.7 s (3.047 km/s) |
| Burn time | 214 seconds |
| Propellant | RP-1/LOX |
| First stage – URM-1 | |
| Powered by | 1 × RD-191 |
| Maximum thrust | 1,920 kN (430,000 lbf) |
| Specific impulse | 310.7 s (3.047 km/s) |
| Burn time | 325 seconds |
| Propellant | RP-1/LOX |
| Second stage – URM-2 | |
| Powered by | 1 × RD-0124A |
| Maximum thrust | 294.3 kN (66,200 lbf) |
| Specific impulse | 359 s (3.52 km/s) |
| Burn time | 424 seconds |
| Propellant | RP-1/LOX |
| Third stage – Briz-M (optional) | |
| Powered by | 1 × S5.98M |
| Maximum thrust | 19.6 kN (4,400 lbf) |
| Specific impulse | 326 s (3.20 km/s) |
| Burn time | 3,000 seconds |
| Propellant | N2O4/UDMH |
| Third stage – Persei / Orion (optional) | |
| Powered by | 1 × RD-58MF |
| Maximum thrust | 19.6 kN (4,400 lbf) |
| Specific impulse | 326 s (3.20 km/s) |
| Burn time | 3,000 seconds |
| Propellant | RP-1/LOX |
| Third stage – KVTK (optional, under development) | |
| Powered by | 1 × RD-0146D |
| Maximum thrust | 68.6 kN (15,400 lbf) |
| Specific impulse | 463 s (4.54 km/s) |
| Burn time | 1,350 seconds |
| Propellant | LH2/LOX |
Angara A5 (Russian: Ангара-А5), is a Russian expendable heavy lift launch vehicle which consists of one URM-1 core and four URM-1 boosters, a 3.6-metre (12 ft) URM-2 second stage, and an upper stage, either the Briz-M, Blok DM-03 or the KVTK.[2] Weighing 773 tonnes (1,704,000 lb) at lift-off, Angara A5 has a payload capacity of 24.5 tonnes (54,000 lb) to a 200 km (120 mi) x 60° orbit. Angara A5 is able to deliver 5.4 tonnes (12,000 lb) to GTO with Briz-M, or 7.5 tonnes (17,000 lb) to the same orbit with KVTK.[2]
In the Angara A5, the four URM-1s used as boosters operate at full thrust for approximately 214 seconds, then separate. The URM-1 forming the vehicle's core is operated at full thrust for lift off, then throttled down to 30% to conserve propellant. The core is throttled back up after the boosters have separated and continues burning for another 110 seconds.[3]
The first Angara A5 test flight was launched on 23 December 2014. The second test flight was launched on 14 December 2020 from Plesetsk.[4]
- ^ "MGM n°3". 24 December 2021. Retrieved 24 December 2021.
- ^ a b "ГКНПЦ имени М.В.Хруничева | Семейство ракет-носителей "Ангара"". 2017-01-18. Archived from the original on 2017-01-18. Retrieved 2023-11-26.
- ^ "Angara A5 - Spaceflight101". 2015-09-25. Archived from the original on 2015-09-25. Retrieved 2023-11-26.
- ^ "Launch Schedule – Spaceflight Now". Retrieved 2023-11-26.
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