Aug 122018
A photo of a 1960’s Bell Helicopter concept for a high-speed tiltrotor. In this design the aircraft would operate in hover and low speed much like the V-22, but at higher speeds the prop-rotors would stop rotating and fold back to reduce drag. Forward thrust would be provided by pure jet exhaust from the convertible turboshaft engines within the fuselage.
I have uploaded high-rez scans of the color glossy photo to the 2018-08 APR Extras folder on Dropbox for APR Patrons at the $4 level and up.
If you are interested in this image and a great many other “extras” and monthly aerospace history rewards, please sign up for the APR Patreon. What else are you going to spend $4 a month on? Taxes? Bah. Invest in the APR Patreon instead.
