Scout 2
Credit: ESA
Advanced Scout
Credit: © Mark Wade
American allsolid orbital launch vehicle. Proposed upgrade of Scout proposed by the University of Rome with two strapons from the Ariane 4. Launch would have been from Italy's San Marco platform off Kenya. Further work cancelled in 1993.
LEO Payload: 521 kg (1,148 lb) to a 200 km orbit at 1.00 degrees in 1985 dollars. Flyaway Unit Cost $: 8.000 million.
Stage Data  Advanced Scout
 Stage 0. 2 x Ariane 30. Gross Mass: 9,663 kg (21,303 lb). Empty Mass: 2,313 kg (5,099 lb). Thrust (vac): 689.990 kN (155,116 lbf). Isp: 263 sec. Burn time: 29 sec. Isp(sl): 240 sec. Diameter: 1.07 m (3.51 ft). Span: 1.07 m (3.51 ft). Length: 8.32 m (27.29 ft). Propellants: Solid. No Engines: 1. Engine: SPB 7.35. Other designations: SPB 7.35. Status: Out of Production.
 Stage 1. 1 x Algol 3. Gross Mass: 14,320 kg (31,570 lb). Empty Mass: 1,600 kg (3,500 lb). Thrust (vac): 471.905 kN (106,088 lbf). Isp: 284 sec. Burn time: 75 sec. Isp(sl): 238 sec. Diameter: 1.14 m (3.74 ft). Span: 1.14 m (3.74 ft). Length: 9.40 m (30.80 ft). Propellants: Solid. No Engines: 1. Engine: Algol 3. Status: In Production.
 Stage 2. 1 x Castor 2. Gross Mass: 4,424 kg (9,753 lb). Empty Mass: 695 kg (1,532 lb). Thrust (vac): 258.915 kN (58,206 lbf). Isp: 262 sec. Burn time: 37 sec. Isp(sl): 232 sec. Diameter: 0.79 m (2.59 ft). Span: 0.79 m (2.59 ft). Length: 6.04 m (19.81 ft). Propellants: Solid. No Engines: 1. Engine: TX3543. Status: In Production.
 Stage 3. 1 x Mage 2. Gross Mass: 530 kg (1,160 lb). Empty Mass: 40 kg (88 lb). Thrust (vac): 45.483 kN (10,225 lbf). Isp: 293 sec. Burn time: 44 sec. Isp(sl): 0.0000 sec. Diameter: 0.77 m (2.52 ft). Span: 0.77 m (2.52 ft). Length: 1.52 m (4.98 ft). Propellants: Solid. No Engines: 1. Engine: Mage 2. Status: Out of Production.
 Stage 4. 1 x Altair 3. Gross Mass: 301 kg (663 lb). Empty Mass: 25 kg (55 lb). Thrust (vac): 27.400 kN (6,160 lbf). Isp: 280 sec. Burn time: 27 sec. Isp(sl): 255 sec. Diameter: 0.64 m (2.09 ft). Span: 0.64 m (2.09 ft). Length: 2.53 m (8.30 ft). Propellants: Solid. No Engines: 1. Engine: FW4S, TEM640. Status: Out of Production.
AKA: Scout 2.
Status: Study 1993.
Gross mass: 39,530 kg (87,140 lb).
Payload: 521 kg (1,148 lb).
Height: 23.00 m (75.00 ft).
Diameter: 1.14 m (3.74 ft).
Thrust: 1,259.30 kN (283,102 lbf).
Apogee: 200 km (120 mi).
More...  Chronology...
Associated Countries
Associated Engines

Algol 3 CSD solid rocket engine. 471.9 kN. Isp=284s. Used on Advanced Scout, Scout D, Scout F, Scout G. First flight 1972. More...

FW4S TEM640 Thiokol solid rocket engine. 27.4 kN. Isp=280s. Used on Advanced Scout, Scout B, Scout D, Scout F, Scout G. First flight 1965. More...

Mage 2 SEP solid rocket engine. 45.5 kN. Orbital circularization motor for Advanced Scout, Ariane 2/3. Isp=293s. First flight 1984. More...

SPB 7.35 SNPE solid rocket engine. 690 kN. Isp=263s. Strapon booster for Advanced Scout, Ariane 2/3. First flight 1984. More...

TX3543 Thiokol solid rocket engine. 258.9 kN. Used in Scout A; Delta E; H10; Castor 2. License built in Japan for H1. Isp=262s. First flight 1960. More...
See also

Scout Solidfuel, light payload, lowercost launch vehicle developed by the Air Force and NASA in the late 1950's and used in a variety of configurations over thirty years. Launched from Cape Canaveral, Vandenberg, Wallops Island, and from Italy's equatorial San Marco platform off Kenya. Italy studied but did not develop subsequent upgraded versions. More...
Associated Manufacturers and Agencies

Vought American manufacturer of rockets and spacecraft. Vought, USA. More...
Associated Stages

Algol 3 Solid propellant rocket stage. Loaded/empty mass 14,320/1,600 kg. Thrust 471.91 kN. Vacuum specific impulse 284 seconds. More...

Altair 3 Solid propellant rocket stage. Loaded/empty mass 301/25 kg. Thrust 27.40 kN. Vacuum specific impulse 280 seconds. More...

Ariane 30 Solid propellant rocket stage. Loaded/empty mass 9,663/2,313 kg. Thrust 689.99 kN. Vacuum specific impulse 263 seconds. More...

Castor 2 Solid propellant rocket stage. Loaded/empty mass 4,424/695 kg. Thrust 258.92 kN. Vacuum specific impulse 262 seconds. More...

Mage 2 Solid propellant rocket stage. Loaded/empty mass 530/40 kg. Thrust 45.48 kN. Vacuum specific impulse 293 seconds. More...
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