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Rotor Blade Test in the NACA Ames 40x80 foot Wind Tunnel.
Public domain

Rotor Blade Test in the NACA Ames 40x80 foot Wind Tunnel.

NASA / ARC · 1957-01-22 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

About this work

One of the first helicopter tests in the 40 x 80 wind tunnel. John McCloud, pictured, started helicopter work in the 40 x 80. Test 150. Testing the effects of camber on rotor blades.

NASA Image and Video Library’s own description
Subjects
HelicopterWind TunnelARCAmesRotor BladesAeronautics40x80ft.NACA
Credit lineRotor Blade Test in the NACA Ames 40x80 foot Wind Tunnel.. NASA/ARC, 1957-01-22. Public domain. ID: A-22384.
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