Republic XF-91 Thunderceptor
1949 INTERCEPTOR AIRCRAFT PROTOTYPE MODEL BY REPUBLIC AVIATION
F-91 Thunderceptor; Thunderceptor; XF-91; Republic XF-91; Republic Thunderceptor; XF91; Republic F-91; Republic F-91 Thunderceptor; XF-91 Thunderceptor
The Republic XF-91 Thunderceptor (originally designated XP-91) is a mixed-propulsion prototype interceptor aircraft, developed by Republic Aviation. The aircraft would use a jet engine for most flight, and a cluster of four small rocket engines for added thrust during climb and interception.