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ARCAspace 4/8 https://en.wikipedia.org/wiki/ARCAspace reference science, encyclopedia 2026-05-05T12:56:53.489424+00:00 kb-cron

The Haas rocket family was to be a series of rockets of various sizes and configurations intended to replace the initial Haas balloon-launched rocket. After the difficulties encountered with balloon operation in Mission 3 and Mission 4, ARCA decided to redesign the rocket to be ground-launched. Although heavier and more expensive, ground-launched rockets are more reliable, easier to operate and can carry heavier payloads into orbit.

==== Haas 2B ==== Haas 2B was to be a single-stage suborbital rocket intended for space tourism. It was designed to transport a crew capsule and service module into a suborbital trajectory. The crew capsule and service module would have been the same as the ones used for the larger multi-stage Super Haas orbital rocket. At the NASA DC-X conference in Alamogordo, New Mexico in August 2013 ARCA presented an updated version of the Haas 2B rocket with a capsule capable of carrying a crew of five into space. There were discussions with Spaceport America representatives to operate the Haas 2B rocket from New Mexico.

==== Haas 2C ==== Haas 2C was to be an orbital rocket intended for commercial payload launches. There were two planned variants of the rocket, a single stage to orbit variant capable of placing a 50 kg (110 lb) payload into orbit and a two-stage variant capable of lifting a 400 kg (880 lb) payload into orbit. After testing the extremely lightweight composite tank, ARCA designed a single stage 18 m (59 ft 1 in) long rocket with a total weight of 510 kg (1,120 lb), having a thrust-to-weight ratio of 26:1 and a 50 kg (110 lb) payload. The company displayed the rocket in Victoria Square in Bucharest, in front of the Romanian Government building. The second stage version was to be powered by the Executor engine for the lower stage, and the upper stage use a smaller engine adapted for vacuum, named Venator.

==== Haas 2CA ==== Haas 2CA was to be a rocket designed to be able to launch 100 kg into a low-Earth orbit, at a price of US$1 million per launch. The first flight was intended to launch from Wallops Flight Facility in 2018. The rocket was designed as a Single-stage-to-orbit (SSTO) and featured an Aerospike engine, producing 50,500 pounds-force (225 kN) of thrust at sea level and 73,800 pounds-force (328 kN) of thrust in vacuum.

=== IAR-111 rocket plane ===

Romanian Aeronautical Industry Brașov (Romanian: Industria Aeronautica Romana Brașov), also known as IAR-111, was a sea-launched suborbital rocket plane. It used the same Executor engine as Haas 2B and 2C rockets. It was to have a length of 24 m (78 ft 9 in), a wingspan of 12 m (39 ft 4 in) and a take-off mass of 19 tonnes (42,000 lb). It can carry a crew of two, a pilot and a passenger. The flight sequence consists of take-off from sea surface, horizontal flight at subsonic speed, followed by a rapid climb to an altitude of 16,000 m (52,000 ft) in approximately two minutes. As a space tourism development platform, it could reach Mach 2.6 (3,190 km/h; 1,980 mph) at 30,000 m (98,000 ft). After fuel depletion, IAR-111 was to descend in gliding flight and land on the sea surface. In case of emergency, the crew capsule was to be detachable and equipped with two rocket-propelled parachutes. The IAR-111 capsule was flight tested during Mission 6. The mission took place in cooperation with the Special Aviation Unit and the Coast Guard, belonging to the Ministry of Internal Affairs and Administration.

=== AirStrato unmanned aerial vehicle ===

AirStrato was an electric powered medium-sized unmanned aerial vehicle that was being developed by ARCA. There were two variants planned, the AirStrato Explorer with a target flight ceiling of 18,000 m and AirStrato Pioneer with a target flight ceiling of 8000 m. It was supposed to carry a 45 kg payload consisting of surveillance equipment, scientific instruments, or additional battery pods for extended autonomy. The first prototype's maiden flight took place on February 28, 2014. It was equipped with fixed landing gear. Two more prototypes were constructed that lacked landing gear. Instead, ARCA opted for a pneumatic catapult as a launcher and landing skids and a recovery parachute for landing. Both prototypes only performed take-off and landing testing and short low-altitude flights.

=== ESA Drop Test Vehicle === ARCA has constructed a drop test vehicle for the European Space Agency intended to test the atmospheric deceleration parachutes for the ExoMars EDM lander module. It has the same weight and parachute deployment systems present on the ESA module. The DTV is intended to be lifted to an altitude of 24 km by a stratospheric helium balloon. From that height, it will fall freely reaching a dynamic pressure similar to that encountered by the ExoMars EDM at entry into the Mars atmosphere. At that dynamic pressure the parachute will deploy and the module will land on the Black Sea surface and will be recovered by the Romanian Naval Forces.