Sıvı itici yakıtlı roket

Sıvı yakıtlı roket motoru, oksitleyici ve yakıtı sıvı fazda olan bir roket motoru tipidir.

Specifications
　 RL-10 HM7B Vinci KVD-1 CE-7.5 CE-20 YF-75 YF-75D RD-0146 ES-702 ES-1001 LE-5 LE-5A LE-5B
Country of origin  ABD  Fransa  Fransa  Sovyetler Birliği  Hindistan  Hindistan  Çin  Çin  Rusya  Japonya  Japonya  Japonya  Japonya  Japonya
Cycle Expander Gas-generator Expander Staged combustion Staged combustion Gas-generator Gas-generator Expander Expander Gas-generator Gas-generator Gas-generator Expander bleed cycle
（Nozzle Expander）		 Expander bleed cycle
（Chamber Expander）
Thrust (vac.) 66.7 kN (15,000 lbf) 62.7 kN 180 kN 69.6 kN 73 kN 200 kN 78.45 kN 88.26 kN 98.1 kN (22,054 lbf) 68.6 kN (7.0 tf)[1] 98 kN (10.0 tf)[2] 102.9 kN (10.5 tf) r121.5 kN (12.4 tf) 137.2 kN (14 tf)
Mixture ratio 5.2 6.0 5.2 6.0 5.5 5 5
Nozzle ratio 40 100 80 80 40 40 140 130 110
Isp (vac.) 433 444.2 465 462 454 443 438 442 463 425[3] 425[4] 450 452 447
Chamber pressure :MPa 2.35 3.5 6.1 5.6 5.8 6.0 3.68 7.74 2.45 3.51 3.65 3.98 3.58
LH2 TP rpm 125,000 41,000 46,310 50,000 51,000 52,000
LOX TP rpm 16,680 21,080 16,000 17,000 18,000
Length m 1.73 1.8 2.2~4.2 2.14 2.14 2.8 2.2 2.68 2.69 2.79
Dry weight kg 135 165 280 282 435 558 550 242 255.8 259.4 255 248 285

Kullanım alanları

Bölümleri
  • Yakıt/oksijen tankları
  • Yanma odası
  • Nozul
  • Turbopompa
  • Kontrol sistemi
  1. without nozzle 48.52kN (4.9 tf)
  2. without nozzle 66.64kN (6.8 tf)
  3. without nozzle 286.8
  4. without nozzle 291.6
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