Haas (rocket)

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Haas rocket

Haas is a family of rocket space launchers developed by the ARCAspace for the Google Lunar X Prize competition and for their national manned space program. It consists of Haas balloon-launched orbital rocket, Haas 2 airplane-launched orbital rocket, Haas 2b ground-launched suborbital rocket and Super Haas ground-launched orbital rocket.

It was named after Conrad Haas, a medieval rocket pioneer who lived and worked in what is now Romania, and was the first person to describe a multistage rocket in writing.[1]


Haas was a Romanian carrier rocket, which was developed[when?] by ARCA as part of the ELE programme. It was designed to be air-launched from a high-altitude balloon, similar to the American Rockoon experiments of the 1950s. Prior to the development of Haas, ARCA had already launched two Stabilo rockets from balloons. It is fueled by hydrogen peroxide and bitumen.

The Haas rocket[1] was to be a three-stage rocket intended to be capable of placing 400 kilograms of payload into low Earth orbit. Its maiden flight was to carry the European Lunar Explorer spacecraft, ARCA's entry into the Google Lunar X-Prize, following a series of engine tests which began in 2009.[citation needed]

It was abandoned when ARCA decided to stop using solar and helium balloons for their space program.

Haas 2[edit]

Haas 2 rocket with IAR 111 supersonic plane

Haas 2 is an orbital two-stage launcher intended to be carried under the fuselage of the IAR 111 supersonic plane. It is powered by the new Executor liquid-fueled rocket engine[2] under development at ARCA. Its intended launch altitude is approximately 17,000 m (56,000 ft). It is intended to place a 400 kg (880 lb) payload into low Earth orbit.[citation needed]

Haas 2CA[edit]

Two stage Haas 2C rocket
Haas 2c rocket

Haas 2CA, previously Haas 2c, is a flight testing platform for the Executor engine. It is an intended single-stage-to-orbit vehicle due to its lightweight fuel tanks and, as of March 2017, had been planned for a 2018 launch.[3]

Data from [3][4]

General characteristics

  • Length: 16 m (52 ft 6 in)
  • Diameter: 1.5 m (4 ft 11 in)
  • Max takeoff weight: 16,300 kg (35,935 lb)
  • Lift-off thrust: 22,900 kgf (225 kN; 50,000 lbf)
  • Payload to LEO: 100 kg (220 lb)

Super Haas[edit]

The final development of the rocket family was intended to have a payload maximum of 2.5 tonnes.[5]

Super Haas rocket

See also[edit]


  1. ^ a b ARCA Space, Haas Orbital Rocket Launcher fact sheet, Dec. 2, 2008 (accessed 22 Sept 2014)
  2. ^ ARCA, Executor Rocket Engine (accessed 22 Sept 2014)
  3. ^ a b "ARCA Unveils the World's first Single-Stage-to-Orbit Rocket". 2017-03-31. Retrieved 2017-03-31.
  4. ^ "Haas 2C specifications page".
  5. ^ http://jurnalul.ro/stiri/observator/racheta-romaneasca-proiectata-si-construita-de-arca-a-primit-treapta-care-o-va-trimite-pe-luna-630153.html

External Pages[edit]