I found this while doing an image search.
XCOR Lynx: DIY Aerodynamics
Posted on September 26, 2013 by Bryan
XCOR Aerospace blog | Page 5
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Engineer Mike Valant drives an XCOR wind test truck back and forth on the taxiways of the Mojave Air and Space Port during a test series.
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In 2009 XCOR built a highly precise sub-sonic wind tunnel test model of the Lynx. For some preliminary data before actual wind tunnel visits, we ran tests using our ‘DIY truck tunnel’ as shown above. The truck and its fixtures include precisely instrumented appendages, structures and bit of computing and data recording capability. We also used the truck tunnel after the sub-sonic wind tunnel tests to experiment with some additional design features before returning to the real tunnel a second time.
By the way, this is not the first time that this particular technique has been applied in Mojave and “other places” in the Antelope Valley for aerodynamic development. We wish we could say we invented this technique but we did not. It has been used for many years by both neighbors in Mojave and neighbors to the west and south of us.
Stay tuned tomorrow as we answer your questions and update you on where you can find us on the road!
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I've seen scale models of many things done this way, one of them may have been the blended wing designs, will try and find that image.
EDIT: Did not expect to find this picture.
http://projecthabu.com/post/11948925...arch-center-is
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The HEIST vehicle was inspired by a previous test performed by Scaled Composites in which SpaceShipOne was evaluated in a similar way, placed on the back of a Ford F-250 pickup truck. This method of testing is perfect for building an aerodynamic database on a low budget, but it does pose some interesting challenges. One problem with this method of testing is vibration and ground noise. The HEIST vehicle solves this problem by isolating the test rig from vibration using four airbags, one of which is shown in photo seven.
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I've never seen this one before either.
http://amablog.modelaircraft.org/ama...huttle-models/
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Art Arro and Owen Morris release the Gazariator and Space Shuttle for another test flight. The photograph originally appeared in “Mini Orbiter,” Model Airplane News, April 1976, pg. 48, by Terry White.
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