One of NASA ’s premier malarky tunnel at the Langley Research Center is broken . The motor , which drive the tunnel ’s wooden vane , live an electric shortstop . So how do you repair a monumental aging subsonic idle words tunnel ?
For those of us who love observing huge body structure and auto being dismantled and put back together again , NASA just published a squeamish set of images explain the cognitive process .
NASA Langley Research Center’s14 - by 22 - Foot Subsonic Wind Tunnelis an atmospheric , closed - return tunnel where the airflow can reach a speed of 237 miles per hour . The artificial wind is produced by a 40 - foot diameter , 9 - blade lover , which 16 - infantry retentive blades were made of woods . The burrow has a fully closed rectangular trial section with slotted walls , and an unfastened test section closed only on the trading floor .
Back in the fifty , NACA , NASA ’s forerunner , started deal explorative enquiry on basal raw perpendicular take - off and landing ( VTOL ) aircraft , and for confidential information tunnel trial run they needed comparatively large test sections compare to the model size of it . former VTOL burrow examination took position in the Full Scale Tunnel and the modified 7X10 - Foot Tunnel , but the outcome were n’t satisfying , so a proposal of marriage was made for a more subject new wind burrow specifically designed for perpendicular and short take - off and landing place configurations .
The construction began in 1968 on the place of the demolish 7X10 - Foot Tunnel . The new burrow , cite “ Langley V / STOL Tunnel , ” began operating in 1970 .
The 12,000 H.P. parkway motor is now being shipped off for repairs . The burrow is expected to be up and operate again this fall , after the motor is fixed , returned , reinstalled and tested . After that more low - focal ratio trial for high - cosmetic surgery stableness and ascendance , streamlined carrying into action , rotorcraft acoustics , propjet operation , and canonic backwash and air flow surveys are to occur for NASA , industry , DoD , and academia including aircraft , rotorcraft , structures , and ground vehicles .
The engine of the 14×22 subsonic confidential information burrow during the recent mend .
vast crane rise off the top of the burrow to clear access .
absent the sword .
The drive motor being lift out of the wind burrow .
The blades of the disassembled rooter .
Close up photo of a blade .
All photograph viaNASA Langley Research Center
NASA
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