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Schonenborg Space Engineering B.V.
Schonenborg Space Engineering B.V. is a Dutch aerospace company. The company develops and markets space-related hardware for experiment and support purposes, provides propulsion engineering and conducts feasibility studies. The company is located in Noordwijk, the Netherlands, is registered at the centre of commerce in the Hague and operates under Dutch law.

History
Schonenborg Space Engineering was established on 8 March 2002 and focused initially on International Space Station ISS related activities. Since then it has expanded its activities to the development of space flight hardware (mainly for ISS), propulsion engineering and the conduct of feasibility studies.

Since 2002 the company has been involved in the development of flight hardware for more than ten International space Station (ISS) related experiments as well as in the development of far over 100 items for ISS support purposes. Within the domain of propulsion engineering, development of small solid rocket motors has started as well as the conduct of (pre-) phase A design activities of many spacecraft. Feasibilirty studies have focused among others on the de-orbiting and re-orbiting of spacecraft as well as on design of large Heavy Lift Launch Vehicles HLLV. The company also seconds personnel to the European Space Agency (ESA).

Activity domains
The three activity domains of Schonenborg Space Engineering B.V. are:

1. ISS flight hardware development

2. Chemical propulsion engineering

3. Conduct of feasibility studies

ISS flight hardware development
Schonenborg Space Engineering B.V. develops ISS flight hardware for experimental and support purposes. In addition consultancy for space engineering and project management is provided. The above mentioned activities include among others; design, manufacturing, assembly, integration, verification, functional testing and qualification and acceptance testing as well as the provision of all required documentation, crew training and support for scientific analysis. The aim is to achieve all this in a cost effective manner by keeping equipment as simple as possible and by using Commercial Off The Shelf COTS components thereby not compromising scientific and safety requirements.



Some examples of developed ISS experimental hardware are:

• Bone Proteomics (Life sciences / human physiology experiment) (Conducted on ISS in 2005) • GraPhoBox (Life sciences / plant biology experiment) (Conducted on ISS in 2004)

• KIT 1 (electrical power pack to power Winograd and Chondro experiment hardware) (Conducted on ISS in 2003) • Winograd (Life sciences / Biology experiment) (Conducted on ISS in 2003) Project management and development support has been provided for:

• Chondro (Life sciences / Human physiology experiment) (Conducted on ISS in 2003)

• BugNRG (Technology demonstrator / life sciences) (Conducted on ISS in 2004)

• CASPER (Life sciences / human physiology experiment) (Conducted on ISS in 2006)

• UTBI (Physical sciences / radiation experiment) (Conducted on ISS in 2006)

• APIS (Physical sciences / demonstrator) (Conducted on ISS in 2003)

• THEBAS (Physical sciences / demonstrator) (Conducted on ISS in 2003)

In addition more than 100 “Launch Containers”, “Return Containers” and "Pouches" have been produced and have been flown to and also from the ISS.

Chemical propulsion engineering
Schonenborg Space Engineering B.V. designs propulsion systems for spacecraft and launch vehicles (Pre-phase A to Phase A). This includes all chemical propulsion systems. The activities include analysis of mission requirements, making trade off’s between different propulsion systems, designing baselined propulsion systems and components, deriving requirements for other disciplines (e.g. thermal, power, AOCS), calculating mass budgets, providing inputs for cost, programmatic and risk analysis, reporting results.



Some examples of designed launch vehicles are: • Heavy Lift Launch Vehicle (pre-phase A design) • Mars Ascent Vehicle (MAV) for Mars Sample Return Mission (propulsion system; pre-phase A design) Some examples of satellites / spacecraft are: • Space weather (various spacecraft) (propulsion system; pre-phase A design) • Ascent and descent Modules for Mars Sample Return mission; (propulsion system pre-phase A design) • Transfer Stage for Mars Sample Return mission (propulsion system; pre-phase A design) • Orbiter for Mars Sample Return mission (propulsion system; pre-phase A design) • Earth observation satellites (various spacecraft) (propulsion system; pre-phase A design) Example of manned spacecraft: • Crew vehicle (Modelling and validation phase; tool creation) Examples of solid propulsion motors: • Solid propellant satellite motor (detailed design) • Solid propellant small satellite thruster (detailed design) • Solid propellant launch escape system motors (variuos motors for the complete system) (pre-phase A) • Solid propellant fairing jettison motor (pre-phase A)

Conduct of feasibility studies
Schonenborg Space Engineering B.V. conducts feasibility studies of various kinds. These feasibility studies concern space architecture, hardware architecture and propulsion related feasibility studies, some of them have already been addressed above. Examples of feasibility studies: • Solid propellant de-orbiting study for constellation satellites • Heavy Lift Launch Vehicle architecture