XP-51B airplane in 16ft wind tunnel with test engineer

NACA Photographer - North American XP-51B Airplane with outer wing panels removed and ready for testing in Ames 16 foot wind tunnel.

3/4 rear view of a XP-51B airplane mounted in the 16ft w.t. (Ames contribution to the solution of the duct-rumble problem)

3/4 front view of modified production scoop on XP-51B airplane mounted in the 16ft w.t. (Ames contribution to the solution of the duct-rumble problem)