Search results
Results from the WOW.Com Content Network
The 22-blade fan of an A320's V2500-A1 Rolls-Royce based the 10-stage HP compressor on an 8-stage run in the RB401 in the mid 1970's followed by a 9-stage run in the RJ.500 . The V.2500 would use 10 stages, with the first 4 with variable stators, giving a pressure ratio of 20:1. [ 4 ]
The fan diameter was expected to range from 108 to 118 in while having a bypass ratio of 18:1 to 20:1. Availability of the engine was estimated between 1992 and 1994. [1] In December 1986 the V2500 SuperFan was officially offered to Airbus as powerplant for the Airbus A340 being developed at that time. With that offer, more design details were ...
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.
IAE International Aero Engines AG is a Zürich-registered joint venture aeroengine manufacturing company.. It was founded during 1983 specifically to develop an aircraft engine to address the 150-seat single aisle aircraft market, the V2500 turbofan.
In a bid for increased efficiency with speed, a development of the turbofan and turboprop known as a propfan engine was created that had an unducted fan. The fan blades are situated outside of the duct, so that it appears like a turboprop with wide scimitar-like blades.
AOL latest headlines, entertainment, sports, articles for business, health and world news.
Fans who grew up watching Jessie on the Disney Channel were thrilled when two of the show's stars appeared to be dating in a new video—but it seems the affectionate clip was just an inside joke.
To keep fans excited as they wait, on January 2, the network dropped a sneak peek trailer on Instagram for SVU as well as season 24 of its iconic TV predecessor, Law and Order. As folks saw ...