From air launch to reusable first stage. Part 1. Current state

The carrier aircraft for an air launch is already a blank for the first stage of the aerospace complex. He is able to lift the rocket unit from a conventional runway, return to the airfield based on the thrust of its own engines, land on the runway, if necessary, make a repeated approach or go to an alternate airfield

Air launch offers several advantages:

1. The energy of the carrier aircraft in the form of the achieved altitude and speed is added to the energy of the launch vehicle;

   
   
   
   
   

2. , , ;

   
   
   
   
   

3. - , .

   
   
   
   
   

- Pegasus/Pegasus-XL (~ 20 , 250 500 ).

, (L-1011 Tristar, B-747 ) ( ~ 250 / , - 10 ). , , - .

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-( !), ( , , ).

( ), , , (+ ). Aevum, RAVN-X.

25 - 20 260 /. ~ 100 .

- , / . - RASCAL(Responsive Access Small Cargo Affordable Launch) - (F-4 Phantom F-15), , - .

MIPCC (mass injection pre compressor cooling) (, - - , ), :

1. , ( )

   
   
   
   
   

2. , -

   
   
   
   
   

3. ,

   
   
   
   
   

NASA , M = 2 H = 12 M = 2,55(+ 150 /) H = 18

~ 75-80 100 * 500 ( , ).

"" RAVN-X, , M = 0,92 M=2,55. 18 . 0,41% 0,44%

- , .

, - , ,

, . , "" M ~ 3,5 - 3,75 .

HiSted RATTLRS, Lamilloy - , , ,

"" - -, - . ( ), (, , )

About how an "aviation" reusable stage can look like, in what cycle the engine of this stage can operate and what characteristics it can provide - in the next post.