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Old 3rd Apr 2011, 21:22
  #46 (permalink)  
Machinbird
 
Join Date: Jul 2009
Location: Not far from a big Lake
Age: 77
Posts: 1,458
J-D
The drawings for Scimitar are apparently intentionally unclear, however it appears that the hydrogen pre-burner exhaust is also powering the hub turbine for the fan as well as providing some fuel for the rocket motor and afterburner sections. The main turbine appears to be an expansion turbine since it is not associated with a combustion area of the engine.

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