Plum Brook Station

Due to the large size of the spacecraft, and NGST s desire to qualify the large heat rejection system, testing was envisioned to occur at the Plum Brook Station facility or at Johnson Space Center (JSC). The transportation and testing logistics of this EM test were not yet planned at the time of project termination. 

Figure 13-8 Plum Brook Station Space Power Facility...

There are two major vacuum chambers at JSC. Chamber A and Chamber B. Chamber A. shown in Figure 13-9, is the unit that was being considered as an alternative to Plum Brook Station. Chamber A has a working dimension of 16.7m (55 ft) in diameter and 27m (90 ft) tall, and It has a main access door 12m (40 ft) in diameter as seen in the iilustrations. it can support a test article weight of 68,100 kg (150,000 lbs). 

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