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The Kuznetsov NK-93 was a civilian aircraft engine, a hybrid between a turbofan and a turboprop known as a propfan. The engine was also unique in having a separate duct around the contra-rotating propellers , as most other propfans are unducted.
Kuznetsov's most powerful aviation engine is the Kuznetsov NK-321 that propels the Tupolev Tu-160 bomber and was formerly used in the later models of the Tu-144 supersonic transport (an SST that is now obsolete and no longer flown). The NK-321 produced a maximum of about 245 kN (55,000 lb f) of thrust. Kuznetsov aircraft engines include:
A propfan, also called an open rotor engine, open fan engine [1] [2] or unducted fan (as opposed to a ducted fan), is a type of aircraft engine related in concept to both the turboprop and turbofan, but distinct from both. The design is intended to offer the speed and performance of a turbofan, with the fuel economy of a turboprop.
Kuznetsov's most powerful aviation engine is the Kuznetsov NK-321 that propels the Tupolev Tu-160 bomber and was formerly used in the later models of the Tu-144 supersonic transport (an SST that is now obsolete and no longer flown). The NK-321 produced a maximum of about 245 kN (55,000 lb f) of thrust. Kuznetsov aircraft engines include:
Pages in category "Kuznetsov aircraft engines" The following 19 pages are in this category, out of 19 total. ... Kuznetsov NK-89; Kuznetsov NK-92; Kuznetsov NK-93 ...
Projected double-deck version of Il-96 for 550–600 passengers and powered by Kuznetsov NK-93 propfan engines. Following flight tests in 2007 the engines were removed and the aircraft was not developed further.
Also, the PW206 turboshaft and PW305A turbofan engines from Pratt & Whitney Canada and the Progress D-18T had replaced the Saturn/Lyulka AL-34 and Kuznetsov NK-92 in the EKIP offerings, [24] as those two engines never reached the production stage. After the closure of the Saratov Aviation Plant, the EKIP prototype was transferred to a museum in ...
Propfan-powered aircraft (10 P) Pages in category "Propfan engines" ... Kuznetsov NK-92; Kuznetsov NK-93; M. Metropolitan-Vickers F.3;