Boeing Company

Delta IV-M

Delta IV-M+ (4,2)

Delta IV-M+ (5,2)

Delta IV-M+ (5,4)

Delta IV-HLV

Overall
Vehicle

Operational from 11.03.2003 20.11.2002 03.04.2012 06.12.2009 22.12.2004

 

to 04.11.2006 22.08.2019 12.01.2018 16.03.2019 26.04.2021
Orbital fligths   3 15 3 8 13
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

Propellant  

LH2/LOX

LH2/LOX

LH2/LOX

LH2/LOX

LH2/LOX

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

Propellant   solid HTPB solid HTPB solid HTPB

LH2/LOX

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