Modern US Military Turbine Missile Fuel Specifications

RJ-4, RJ-5 and RJ-6 are fuels developed for ram-jet missiles.  RJ-4 was for the Navy Sea Launched Cruise Missile. RJ-5 was selected for the Air Force Air Launched Cruise Missile program but replaced by RJ-6 due to low temp performance issues.  JP-9 was also used by the Air Force for Air Launched Cruise Missiles but was replaced by JP-10.

Designation RJ-4 RJ-5 (obs) RJ-6 JP-9(obs) JP-10
Fuel Type T-H Dimer High Density High Density High Density Syn Blend High Density Synthetic
Usage     Navy Sea Launch Cruise Missile Advanced Strategic Air Launched Cruise Missile Advanced Strategic Air Launched Cruise Missile Air Launched Cruise Missile Air Launched Cruise Missile
Composition Exo-tetrahydrodi (cyclopentadiene) Wt%     36.0-42.0 65-70 98.5-100
Perhydrodi (norbornadiene) Wt%   98.5-100 58.0-64.0    
Tetrahydromethylcyclopentadiene Wt% 100 .      
Methylcyclohxane Wt%       10-12  
H-norbornadiene dimers Wt%       20-25  
Other Hydrocarbons Wt%   1.5max 1.5max 1.5 Max 1.5 Max
Volatility Temp - IBP Max 204.4        
Temp 50% Rec (C) Max Report        
Temp 90% Rec (C) Max Report        
Final BP (C) Max 221.1 300      
Residue (vol%) Max 1.5 1.5      
Loss (vol%) Max 1.0 1.5      
Flash Point (C) Min 60-79.4 95 min 60 Min 21 Min 55 Min
  API Gravity   19.0-22.30     16.8-20.0 18.5-20.0
  Specific Gravity     1.060 min 1.010-1.050    
Density (15C) Kg/M3 920-940 0   935-955 935-943
Fluidity Freezing Point (C) Max -40 max   -54 max -54 Max - 79 Max
  Pour Point     -30 Max      
Viscosity @-54C centistokes       400 max 50 Max 37 Max
@ -32C 20 Max 14 Max
  @-18C     400 Max 40 Max 12 Max 9 Max
  @ -17.8C   30.0 Max        
  @ 37.8C   4.2 Max        
Combustion Net Heat of Comb.(MJ/Kg)(BTU/lb) Min 42.3 (18200) 41.3 (17750) 41.5 (17850) 41.98 (18050) 42.10 (18100)
  MJ/M3 (BTU/gal)   38900 (139450) 44600 (160000) 42300 (152000) 39573 (142000) 39434 (141500)
Stability Potential Gum (mg/100ml)     6 max      
  Change in Pressure Drop (mm Hg)         10 Max 10 Max
  Heater Tube Deposit Rating         Code 2 Max Code 2 Max
Contaminants Iron (ppm)     10 max 10 max 10 Max  
  Existent Gum (mg/100 mL)   30 Max 100 max 100 Max    
Particulate Matter (mg/liter)   1.0 Max 1.0 Max 1.0 Max 1.0 Max 1.0 Max
Water Reaction Separation Index Modified   85        
Additives Anti-icing (vol %)       0.10-0.15 0.10-0.15 0.10-0.15
  Antioxidant   Required     90-110 ppm 90-110ppm
Other Bromine Number   1.0 Max        
  Color, Saybolt     + 25 Min + 25 min + 25 Min + 25 Min

These specifications are for historical and general information and may not represent the specifications of currently available products.

Last Update 12/07/01