The flow control valves of each thruster are operated on command from the onboard computer through an RS link. In the event of high flap deflection, the shock forming upstream the flap hinge will induce a separation and reattachment shock — a phenomenon that is hoped to be characterized with this experiment since it has a significant effect on the efficiency of the flap system. The deorbit burn has a planned duration of 59 seconds. Schematic of the stand-off assembly image credit: It implements frequency and polarization diversity techniques for maximum coverage and data download capability.

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The main functions are to monitor the vehicle state and flight conditions and to safely manage the vehicle operative modes transitions and relevant actions on the basis of the Mission Timeline entries and external events e.

Intermediate eXperimental Vehicle – Wikipedia

Due to the sensor design, the strain gauges had to be placed on flat areas although curved elements experience higher strains. After separating from its carrier at an altitude of about km, IXV will begin sending signals to be picked up first by the Libreville station around 18 minutes into flight.

The Parachute System is triggered at a velocity of Mach 1.

Note that the white color is due to the accumulation of salt resulting from the immersion in sea water after splashdown. Mission status and some results: Flaps and thrusters will autonomously steer it back to a splashdown at a precise point ixxv the Pacific Ocean.

Intermediate eXperimental Vehicle

ixvv The purpose of each sensor group is described later on, ix looking at the functionality of each of the different sensor types. Special operators had to be enrolled and trained. The Flap Control System is in charge of providing the motion and controlling the position of the two flaps during re-entry, becoming active when the efficiency of the aerodynamic control surfaces increases with the dynamic pressure.


ESA’s experimental spaceplane, poised for liftoff on Vega, is set to showcase the latest technologies and critical systems to extend Europe’s capability for space exploration. Attitude control during this re-entry phase was carried out by a combination of moving aerodynamic surfaces fl aps and thrusters.

Europe’s Newly Tested Space Plane Aims for Next Launch in | Space

Checking IXV for residual hydrazine image credit: IXV performs a sub-orbital ivx mission in February to gather data on the behavior of the various systems and components in the operational re-entry environment to pave the way for the development of new innovative spacecraft with return capability.

The flow control valves of each thruster are operated on command from the onboard computer through an RS link.

The Electrical Power Subsystem consists of a Power Protection and Distribution Unit, two separate batteries and two dedicated pyro batteries, all using Li-Ion technology. The planning for the second spaceflight was originally to begin during Marchwhile design work on the modified vehicle was to commence during kxv A thermocouple is located in the vicinity of the sensor ivx.

The data system includes a number of redundant data recorders that are lxv charge of storing telemetry and experimental data sourced from a series of Data Acquisition Units based on a finite state machine design. Following the drop-test, the vehicle was retrieved for further analysis. The successful completion of the operations planned for the IXV recovery provided an enormous improvement in knowledge and know how for operations in open sea and with re-entry spacecrafts, demonstrating the correctness of the procedures associated even in quite harsh environmental conditions.

Additional analysis of the launch trajectory required a delay of the mission into to clear any concerns with range safety. The cause of the problem was found on the terrestrial link that connected the MCC with the Sat provider network interface. Schematic of the Flap Control System image credit: The TPS is comprised of three main components: Several technologies contribute to the consolidation of the European knowledge base for future reentry missions.


The trajectory chosen for the mission delivers IXV to an apogee of Kilometers before the spacecraft begins its way back down towards the dense atmosphere, reaching the atmospheric entry gate at Kilometers in altitude at a velocity of 7. Its hypersonic lift-to-drag ratio of 0. The Thermal Protection System Experiments evaluate the various components of the TPS in the different re-entry environments looking at the ablative leeward and lateral surfaces and the two different types of silicon-carbide used for the hotter parts of the vehicle such as the nose cap, the flaps and rear hinge compared to the rest of the vehicle windward tiling.

Overall, the mission takes IXV from its launch pad in South America almost an entire lap around Earth for a parachute-assisted splashdown in the Pacific Ocean minutes after liftoff. The deorbit burn has a planned duration of 59 seconds. The Flush Air Data System aims to derive precise vehicle attitude in the form of angle of attack, angle of sideslip and atmospheric properties from pressure and temperature measurements taken at the nose of the vehicle.

Each of the four DAUs acquires data from a number of sensors. Retrieved 16 November Tumino remained at the launch site in Kourou, French Guiana to co-ordinate the 60 or so people involved in the mission.