Johnsville Centrifuge's photostream

The interior of the 124 foot diameter, 25 ft, tall Centrifuge Room. The observation window in the ceiling and the original control "blister" are visible in this photo.

When originally built, the centrifuge created such a drain on the local power grid that Centrifuge Operations had to notify the local power company before turning up the motor. Eventually, the power company built this dedicated substation

May 7, 2010: Museum President Mike Maguire thanks STS-90 Astronaut Dr. James A. "Jim" Pawelczyk for taking time out of his busy scedule to provide comments at our Inaugural Spring Gala. Dr. Pawelczyk was scheduled to deliver an address at the Smithsonain Air & Space Museum Annex the next day.

March 27th, 2010: Dick Crosbie and the family of Dr. R. Flanagan Gray (deceased), who set the world record for highest sustained G's at Johnsville (31.25Gs for a little over 6 seconds) gather around the "Mayo Tank" at the Johnsville Centrifuge and Science Museum.

The Johnsville Centrifuge and Science Museum is located at 780 Falcon Circle in Warminster PA (18974) on the site of the former Johnsville Naval Air Development Center (NADC). Construction began on the building in 1948 with installation of the centrifuge occuring in 1950. Mercury, Geminii and Apollo astronauts all trained at Johnsville to understand how thier bodies would react to high G loads.