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Demonstrator 3

The Demonstrator 3 suborbital ballistic rocket (Exoatmospheric Aerospike Test Vehicle) incorporates technology used by the Haas 2CA, a Single Stage to Orbit (SSTO) rocket, like the composite propellant tanks and most important, the aerospike engine. Demonstrator 3 is going to test in flight this technology aiming to increase the flight readiness level of Haas 2CA, that is going to be launched in 2018 from Wallops Flight Facility, Virginia.

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ARCA will launch the Demonstrator 3 rocket in 2017 from Spaceport America, to test the atmospheric exhaust expansion of the aerospike linear engine. We will measure engine thrust variation with increasing altitude, using a vast array of sensors placed on board the rocket. The type of fuel tanks that will be installed in the Haas 2CA Single Stage to Orbit Rocket will also be flight tested to pressure and acceleration similar to what is encountered during an orbital flight.

 

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Specifications
 

 
Imperial
Metric
     
Length
53 ft
32.8 m
Diameter
2.3 ft
0.7 m
Empty mass
265 lbs
120 kg
Launch mass
4,940 lbs
2,240 kg
Number of stages
1
1
Engine type
Linear aerospike
Linear aerospike
Engine feed
Pressure fed
Pressure fed
Pressurant
He
He
Number of chambers
2
2
Spike cut
60%
60%
Nozzle expansion ratio
60
60

Propellant

Hydrogen Peroxide

Hydrogen Peroxide

Engine running time
85 s
85 s
Total thrust at sea level
9,040 lbf
4,100 kgf
Total thrust in vacuum
12,560 lbf
5,700 kgf
Total propellant flow rate
97 lbs/s
44 kg/s
Propellant tanks pressure
300 psig
20 barg
Chamber pressure
235 psig
16 barg

 

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Future operations

Due to its simplicity and low cost, ARCA is also considering utilizing Demonstrator 3 to open commercial suborbital flights services from Spaceport America. As the rocket can carry a payload of 30 kg up to 100 km altitude, the payload will experience low accelerations during the powered flight, and will experience around 5 minutes of microgravity.

 

 

Technology

HAAS 2CA
DEMONSTRATOR 3
HAAS 2B
ARCABOARD


Programs

IAR-111 EXCELSIOR
HELEN
STABILO
DEMONSTRATOR 2B
EXOMARS

Support

ARCABOARD FAQ
ARCABOARD WARRANTY

Info

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