XV-15 litho - NASA's History Office

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Figure 22 XV-3 in airplane mode of flight near Ames Research Center.
Figure 23 XV-3 in the Ames Research Center 40- by 80-foot wind tunnel.
Figure 24 Boeing VZ-2 tilt wing research aircraft.
Figure 25 Bell 25-foot diameter proprotor on semi-span wing in the Ames
Research Center 40- by 80-foot wind tunnel.
Figure 26 Boeing 26-foot diameter proprotor on semi-span wing in the
Ames Research Center 40- by 80-foot wind tunnel.
Figure 27 The Bell stop/fold tilt rotor in the Ames Research Center 40- by
80-foot wind tunnel.
Figure 28 Performance tests of 5-foot diameter proprotor in the Army 7- by
10-foot wind tunnel at the Ames Research Center.
Figure 29 13-foot diameter proprotor in the ONERA S-1 wind tunnel, France.
Figure 30 13-foot diameter proprotor in the Ames Research Center 40- by
80-foot wind tunnel.
Figure 31 Bell 25-foot diameter proprotor performance test in the Ames
Research Center 40- by 80-foot wind tunnel.
Figure 32 Members of initial Tilt Rotor Research Aircraft Project Office at
Ames, 1989.
Figure 33 Rotor Systems Research Aircraft (RSRA).
Figure 34 Illustration from 1974 Tilt Rotor Research Aircraft Project Plan.
Figure 35 Illustration of the Boeing Model 222 tilt rotor aircraft.
Figure 36 1/5-scale XV-15 model in 7- by 10-foot wind tunnel, (a) small
landing gear housings, (b) large landing gear housings.
Figure 37 Tilt Rotor Research Aircraft WBSE.
Figure 38 XV-15 nacelle arrangement.
Figure 39 Bell test apparatus used for transmission qualification testing.
Figure 40 Proprotor response to cockpit control input.