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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 1 S-310JA S-310JA-1 13.02.1976 Sho * VLF/HF 7 3 S-310 S-310-3 21.08.1976 Ka * ? 8 2 S-310JA S-310JA-2 10.02.1977 Sho * VLF/HF 9 3 S-310JA S-310JA-3 26.07.1977 Sho * VLF/plasma/B 10 4 S-310 S-310-4 21.09.1977 Ka * ? 11 4 S-310JA S-310JA-7 27.05.1978 Sho * ? 12 5 S-310JA S-310JA-5 10.06.1978 Sho * ? 13 6 S-310JA S-310JA-4 18.08.1978 Sho * ? 14 7 S-310JA S-310JA-6 28.08.1978 Sho * ? 15 5 S-310 S-310-6 19.01.1979 Ka * ? 16 6 S-310 S-310-5 31.01.1979 Ka * ? 17 7 S-310 S-310-7 15.09.1979 Ka * ? 18 8 S-310 S-310-8 02.02.1980 Ka * ? 19 9 S-310 S-310-9 21.01.1981 Ka * ? 20 10 S-310 S-310-10 24.08.1981 Ka LP-KS (i) * ? 21 11 S-310 S-310-11 07.09.1981 Ka * Submm atm. spectra 22 12 S-310 S-310-12 25.09.1982 Ka * ? 23 13 S-310 S-310-13 12.09.1983 Ka * ? 24 14 S-310 S-310-14 16.09.1983 Ka * ? 25 8 S-310JA S-310JA-8 04.04.1984 Sho * AURORA I 26 9 S-310JA S-310JA-9 03.05.1984 Sho * AURORA II 27 10 S-310JA S-310JA-10 28.05.1984 Sho * AURORA III 28 15 S-310 S-310-15 07.02.1985 Ka LP-KS * ? 29 11 S-310JA S-310JA-11 29.05.1985 Sho * W-P I 30 12 S-310JA S-310JA-12 12.07.1985 Sho * W-P II 31 16 S-310 S-310-16 01.02.1986 Ka LP-KS * E-region 32 17 S-310 S-310-17 06.09.1986 Ka LP-KS * Airglow 33 18 S-310 S-310-18 28.01.1988 Ka LP-KS * D-region 34 19 S-310 S-310-19 01.02.1989 Ka LP-KS * ? 35 20 S-310 S-310-20 27.01.1990 Ka LP-KS * ? 36 21 S-310 S-310-21 28.01.1992 Ka LP-KS * ? 37 22 S-310 S-310-22 16.02.1994 And * NNP/AIR/NID/NEL 38 23 S-310 S-310-23 24.11.1994 And * NNP/AIR/NID/NEL 39 24 S-310 S-310-24 11.02.1996 Ka LP-KS * NTV-1 40 25 S-310 S-310-26 20.08.1996 Ka LP-KS * SEEK-1 41 26 S-310 S-310-25 26.08.1996 Ka LP-KS * SEEK-1 42 27 S-310 S-310-27 25.01.1998 Ka LP-KS * SEEK Ozone 43 28 S-310 S-310-28 02.02.1999 Ka LP-KS * SELENE RF/XR test 44 29 S-310 S-310-29 09.01.2000 Ka LP-KS (i) * WAVE2000 45 30 S-310 S-310-30 06.02.2002 Ka LP-KS (i) * NTV-2 Thermosphere 46 31 S-310 S-310-31 03.08.2002 Ka LP-KS (ot) * SEEK-2 47 32 S-310 S-310-32 03.08.2002 Ka LP-KS (o) * SEEK-2 48 33 S-310 S-310-33 17.01.2004 Ka LP-KS (i) * WAVE2004 49 34 S-310 S-310-34 09.08.2004 Ka LP-KS (o) * Solar Sail 1 / Solar Sail 2 50 35 S-310 S-310-35 13.12.2004 And LP-U3 * DELTA 2004 51 36 S-310 S-310-36 22.01.2006 Ka LP-KS (i) * Furoshiki 52 37 S-310 S-310-37 16.01.2007 Ka LP-KS (o) * ? 53 38 S-310 S-310-38 06.02.2008 Ka LP-KS (i) * VLF/Chaff 54 39 S-310 S-310-39 26.01.2009 And LP-U3 * DELTA-2 55 40 S-310 S-310-40 20.12.2011 Ka LP-KS (i) * ? 56 41 S-310 S-310-41 07.08.2012 Ka LP-KS (i) * MAAC 57 42 S-310 S-310-42 20.07.2013 Ka LP-KS (o) * MSTID 58 43 S-310 S-310-43 04.08.2014 Ka LP-KS (i) * Cryo tank flow test 59 44 S-310 S-310-44 15.01.2016 Ka LP-KS * Ionospheric plasma 60 45 S-310 S-310-45 09.01.2020 Ka LP-KS * ? Planned: Launch sites: And = Andøya Space Center (Andøya Rocket Range), Andøya, Nordland, NorwayKa = Kagoshima Space Center / Uchinoura Space Center, Kagoshima, Kyushu, Japan
References:
- JAXA: S-310 sounding rockets
