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S-310

S-310 [ISAS]

The S-310 is a middle-size rocket for carrying various payloads. It is a single-stage sounding rocket, 310 mm in diameter, and can reach an altitude of 150 km. Its predecessor, the S-300, was developed for observations in Antarctica, in parallel with the S-210, and reached 160 km altitude in its first flight in the fall of 1966 (PT-300). Two out of three succeeding flights had a body trouble, which was later attributed to an unusual increase of the attack angle due to pitch-roll resonance.

In case of S-310, it is spun positively in the atmosphere to overcome resonance, and thus avoids continued resonance problems. It also corrects attitude disturbance by aerodynamic damping. The spin is provided by twisted tail fins which cause 2.8 Hz spin to the body.

The thrust programming is designed to peak in the early stage, and to keep the thrust level low in the latter half of burning time, when aerodynamic forces increase dramatically. This contributes to attaining increased summit altitude, and relieving aerodynamic heating by reducing dynamic pressure.

The chamber is made of chromium-molybden steel. The CTPB composite propellant grain is single, and has axially two different wagon-wheel port configurations. Since the aftward portion of the grain is consumed earlier, a dual-thrust profile is given. Each tail fin is made of a solid titanium plate, and the ogive nose cone is made of FRP.

In the payload bay is a yo-yo despinner system, which is actuated at 50 sec. after lift-off, to reduce the spin to 1 Hz during the observation period.

The first flight of S-310 in January 1975 was successful, and it has been launched at Kagoshima Space Center at Uchinoura, Showa Station in Antarctica and Andøya in Sweden.

Launch Vehicle Stage 1
S-310 S-310
Nr  TypeNr  Vehicle  Serial        Date          LS              Suc    Payload     

 1     1    BT-310   BT-310-1      28.04.1966    Ka              *      ?                    
 2     2    BT-310   BT-310-2      29.04.1966    Ka              *      ?                    
 3     3    BT-310   MM-310-1      06.08.1966    Ka              *      Mu Scale Model       
 4     1    S-310    S-310-1       20.01.1975    Ka              *      ?                    
 5     2    S-310    S-310-2       30.08.1975    Ka              *      ?                    
 6     3    S-310    S-310JA-1     13.02.1976    Sho             *      VLF/HF               
 7     4    S-310    S-310-3       21.08.1976    Ka              *      ?                    
 8     5    S-310    S-310JA-2     10.02.1977    Sho             *      VLF/HF               
 9     6    S-310    S-310JA-3     26.07.1977    Sho             *      VLF/plasma/B         
10     7    S-310    S-310-4       21.09.1977    Ka              *      ?                    
11     8    S-310    S-310-6       19.01.1979    Ka              *      ?                    
12     9    S-310    S-310-5       31.01.1979    Ka              *      ?                    
13    10    S-310    S-310-7       15.09.1979    Ka              *      ?                    
14    11    S-310    S-310-8       02.02.1980    Ka              *      ?                    
15    12    S-310    S-310-9       21.01.1981    Ka              *      ?                    
16    13    S-310    S-310-10      24.08.1981    Ka LP-KS (i)    *      ?                    
17    14    S-310    S-310-11      07.09.1981    Ka              *      Submm atm. spectra   
18    15    S-310    S-310-12      25.09.1982    Ka              *      ?                    
19    16    S-310    S-310-13      12.09.1983    Ka              *      ?                    
20    17    S-310    S-310-14      16.09.1983    Ka              *      ?                    
21    18    S-310    S-310JA-8     04.04.1984    Sho             *      AURORA I             
22    19    S-310    S-310JA-9     03.05.1984    Sho             *      AURORA II            
23    20    S-310    S-310JA-10    28.05.1984    Sho             *      AURORA III           
24    21    S-310    S-310-15      07.02.1985    Ka LP-KS        *      ?                    
25    22    S-310    S-310JA-11    29.05.1985    Sho             *      W-P I                
26    23    S-310    S-310JA-12    12.07.1985    Sho             *      W-P II               
27    24    S-310    S-310-16      01.02.1986    Ka LP-KS        *      E-region             
28    25    S-310    S-310-17      06.09.1986    Ka LP-KS        *      Airglow              
29    26    S-310    S-310-18      28.01.1988    Ka LP-KS        *      D-region             
30    27    S-310    S-310-19      01.02.1989    Ka LP-KS        *      ?                    
31    28    S-310    S-310-20      27.01.1990    Ka LP-KS        *      ?                    
32    29    S-310    S-310-21      28.01.1992    Ka LP-KS        *      ?                    
33    30    S-310    S-310-22      16.02.1994    And             *      NNP/AIR/NID/NEL      
34    31    S-310    S-310-23      24.11.1994    And             *      NNP/AIR/NID/NEL      
35    32    S-310    S-310-24      11.02.1996    Ka LP-KS        *      NTV-1                
36    33    S-310    S-310-26      20.08.1996    Ka LP-KS        *      SEEK-1               
37    34    S-310    S-310-25      26.08.1996    Ka LP-KS        *      SEEK-1               
38    35    S-310    S-310-27      25.01.1998    Ka LP-KS        *      SEEK Ozone           
39    36    S-310    S-310-28      02.02.1999    Ka LP-KS        *      SELENE RF/XR test    
40    37    S-310    S-310-29      09.01.2000    Ka LP-KS (i)    *      WAVE2000             
41    38    S-310    S-310-30      06.02.2002    Ka LP-KS (i)    *      NTV-2 Thermosphere   
42    39    S-310    S-310-31      03.08.2002    Ka LP-KS (ot)   *      SEEK-2               
43    40    S-310    S-310-32      03.08.2002    Ka LP-KS (o)    *      SEEK-2               
44    41    S-310    S-310-33      17.01.2004    Ka LP-KS (i)    *      WAVE2004             
45    42    S-310    S-310-34      09.08.2004    Ka LP-KS (o)    *      Solar Sail 1 / Solar Sail 2          
46    43    S-310    S-310-35      13.12.2004    And LP-U3       *      DELTA 2004           
47    44    S-310    S-310-36      22.01.2006    Ka LP-KS (i)    *      Furoshiki            
48    45    S-310    S-310-37      16.01.2007    Ka LP-KS (o)    *      ?                    
49    46    S-310    S-310-38      06.02.2008    Ka LP-KS (i)    *      VLF/Chaff            
50    47    S-310    S-310-39      26.01.2009    And LP-U3       *      DELTA-2              
51    48    S-310    S-310-40      20.12.2011    Ka LP-KS (i)    *      ?                    
52    49    S-310    S-310-41      07.08.2012    Ka LP-KS (i)    *      MAAC                 
53    50    S-310    S-310-42      20.07.2013    Ka LP-KS (o)    *      MSTID                    
54    51    S-310    S-310-43      04.08.2014    Ka LP-KS (i)    *      Cryo tank flow test  
55    52    S-310    S-310-44      15.01.2015    Ka LP-KS        *      Ionospheric plasma


Planned:

xx    xx    S-310    S-310-45      xx.xx.2018    Ka LP-KS        *      ?


Launch sites:

And = Andøya Space Center (Andøya Rocket Range), Andøya, Nordland, Norway Norway
Ka  = Kagoshima Space Center / Uchinoura Space Center, Kagoshima, Kyushu, Japan Japan
Sho = Showa Station (Syowa Station), East Ongul Island, Queen Maud Land, Antarctica Antarctica

References: