Boeing Company |
Delta IV-M |
Delta IV-M+ (4,2) |
Delta IV-M+ (5,2) |
Delta IV-M+ (5,4) |
Delta IV-HLV |
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Overall |
Operational | from | 11.03.2003 | 20.11.2002 | 03.04.2012 | 06.12.2009 | 22.12.2004 | |||||
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to | 04.11.2006 | 22.08.2019 | 12.01.2018 | 16.03.2019 | 22.06.2023 | ||||||
Orbital fligths | 3 | 15 | 3 | 8 | 15 | |||||||
Payload weight | t | GTO | 4.23 | GTO | 5.94 | GTO | 4.87 | GTO | 6.82 | GTO | 12.76 | |
Gross liftoff weight | t | 256.50 | 325.20 | 332.50 | 400.90 | 728.70 | ||||||
Gross propellant weight | t | 220.10 | 279.50 | 286.25 | 345.64 | 626.15 | ||||||
Total length | m | 61.25 | 61.25 | 65.50 | 65.50 | 70.25 | ||||||
Max. diameter (span) | m | 5.09 | 8.50 | 8.50 | 8.50 | 15.50 | ||||||
Total liftoff thrust (s.l.) | kN | 2,949.2 | 5,144.2 | 5,144.2 | 7,339.2 | 8,847.6 | ||||||
Total impulse (vac) | MN*s | 897.1 | 1,054.1 | 1,084.9 | 1,244.6 | 2,528.9 | ||||||
Fairing |
Total length | m | 11.75 | 11.75 | 14.34 | 14.34 | 19.10/19.81 | |||||
Diameter | m | 4.07 | 4.07 | 5.13 | 5.13 | 5.13 | ||||||
Total weight | t | 1.677 | 1.677 | 2.935 | 2.935 | 3.520 | ||||||
Stage 2 |
Name |
DCSS-4 | DCSS-4 | DCSS-5 | DCSS-5 | DCSS-5 | ||||||
Length | m | 3.20 (12.20) | 3.20 (12.20) | 2.85 (13.70) | 2.85 (13.70) | 2.85 (13.70) | ||||||
Diameter | m | 3.99 | 3.99 | 5.09 | 5.09 | 5.09 | ||||||
Liftoff weight | t | 24.17 | 24.17 | 30.71 | 30.71 | 30.71 | ||||||
Propellant weight | t | 20.45 | 20.45 | 27.20 | 27.20 | 27.20 | ||||||
Engines | RL-10B-2-1 | RL-10B-2-1 | RL-10B-2-1 | RL-10B-2-1 | RL-10B-2-1 | |||||||
Propellant | LH2/LOX | LH2/LOX | LH2/LOX | LH2/LOX | LH2/LOX | |||||||
Total thrust (vac) | kN | 111.2 | 111.2 | 111.2 | 111.2 | 111.2 | ||||||
Specific impulse (vac) | N*s/kg | 4565 | 4565 | 4565 | 4565 | 4565 | ||||||
Burn time | s | 839 | 839 | 1116 | 1116 | 1116 | ||||||
Total impulse (vac) | MN*s | 93.4 | 93.4 | 124.2 | 124.2 | 124.2 | ||||||
Stage 1 |
Name | CBC | CBC | CBC | CBC | CBC | ||||||
Length + interstage | m | 40.80 +5.50 | 40.80 +5.50 | 40.80 +7.50 | 40.80 +7.50 | 40.80 +7.50 | ||||||
Diameter | m | 5.09 - 3.99 | 5.09 - 3.99 | 5.09 | 5.09 | 5.09 | ||||||
Liftoff weight | t | 226.40 | 226.40 | 226.40 | 226.40 | 226.40 | ||||||
Propellant weight | t | 199.65 | 199.65 | 199.65 | 199.65 | 199.65 | ||||||
Engines |
Rock. RS-68 |
Rock. RS-68 |
Rock. RS-68 |
Rock. RS-68 |
Rock. RS-68 |
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Propellant |
LH2/LOX |
LH2/LOX |
LH2/LOX |
LH2/LOX |
LH2/LOX |
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Total thrust (s.l.) | kN | 2,949.2 | 2,949.2 | 2,949.2 | 2,949.2 | 2,949.2 | ||||||
Specific impulse (s.l.) | N*s/kg | 3578 | 3578 | 3578 | 3578 | 3578 | ||||||
Burn time | s | 260 | 246 | 246 | 246 | 325 | ||||||
Total impulse (vac) | MN*s | 803.7 | 801.0 | 801.0 | 801.0 | 802.8 | ||||||
Booster |
Name | 2 GEM-60 (TVC) | 2 GEM-60 (TVC) | 4 GEM-60 (TVC) | 2 CBC | |||||||
Length | m | 16.13 | 16.13 | 16.13 | 45.00 | |||||||
Diameter | m | 1.52 | 1.52 | 1.52 | 5.09 | |||||||
Liftoff weight | t | 67.596 | 67.596 | 133.994 | 455.30 | |||||||
Propellant weight | t | 59.396 | 59.396 | 118.792 | 399.30 | |||||||
Engines | ATK | ATK | ATK |
Rock. RS-68 |
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Propellant | solid HTPB | solid HTPB | solid HTPB |
LH2/LOX |
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Total thrust (s.l.) | kN | 2,195 (max) | 2,195 (max) | 4,390 (max) | 5,898.4 | |||||||
Specific impulse (s.l.) | N*s/kg | 2412 | 2412 | 2412 | 3578 | |||||||
Burn time | s | 90.8 | 90.8 | 90.8 | 246 | |||||||
Total impulse (vac) | MN*s | 159.7 | 159.7 | 319.4 | 1.601.9 |