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Tuesday, June 21, 2016

EM-1 Update #1: Testing Continues on Duplicate of Orion's Service Module...

A replica of the European Service Module undergoes testing at NASA's Plum Brook Station in Sandusky, Ohio...as blue cables connected to the module transfers data from 1,000 sensors to monitoring stations inside the facility.
ESA – J. Harrod

Sensing Orion (Press Release)

Shown above is a test version of the European Service Module at NASA’s Plum Brook Station in Sandusky, Ohio, USA. ESA’s module will power NASA’s Orion spacecraft to the Moon and beyond, providing propulsion, electricity, water, oxygen and nitrogen and thermal control.

This test article has the same structure and weight as the real thing but does not include the electronics and engines. It is being used to confirm the design before starting to build the flight version.

From a design perspective, the launch is one of the most demanding moments in a mission. Orion will sit atop the Space Launch System and more than 2500 tonnes of propellant. The vibrations and forces are intense until they reach the relative calm of space.

To ensure the service module can withstand these forces, it is placed on a large table that shakes and moves to recreate the vibrations of launch. Almost 1,000 sensors monitor how the 35 tonne spacecraft flexes and withstands the stress. The blue wires carry the data during the tests for later analysis.

The tests are running smoothly and the first flight model is already being built in Bremen, Germany. It will be shipped to the USA next year for more testing and final integration ahead of launch at the end of 2018.

Source: European Space Agency

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