Rolls-Royce BR700
aircraft engine family by Rolls-Royce
The Rolls-Royce BR700, with latest variants being marketed as the Rolls-Royce Pearl, is a family of turbofan engines for regional jets and corporate jets. It is manufactured in Dahlewitz, Germany, by Rolls-Royce Deutschland: this was initially a joint venture of BMW and Rolls-Royce plc established in 1990 to develop this engine. The original BR710 first ran in 1995. The BR725 variant is used by the United States military under the designation F130 and manufactured in the United States by Rolls-Royce North America.
Design and development
Original series
BR710
The BR710 (BR700-710A/C) is a twin shaft turbofan, and entered service on the Gulfstream V in 1997 and the Bombardier Global Express in 1998. This version has also been selected to power the Gulfstream G550.
The BR710 comprises a 48 in (120 cm) diameter single-stage fan, driven by a two-stage LP turbine, and a ten-stage HP compressor (scaled from the V2500 unit) driven by a two-stage, air-cooled, HP turbine.
This engine has a thrust-specific fuel consumption (TSFC) of 0.39 lb/(lbf⋅h) (11 g/(kN⋅s)) at static sea level takeoff and 0.64 lb/(lbf⋅h) (18 g/(kN⋅s)) at a cruise speed of Mach 0.8 and altitude of 35,000 ft (10,668 m).
In May 2017, the 3,200 engines in service reached 10 million flying hours.
BR715
The BR715 (BR700-715) is another twin-shaft turbofan; this engine was first run in April 1997 and entered service in mid-1999.
“Rolls-Royce BR700” enters the record as aircraft engine family by Rolls-Royce. Crown Archives preserves that source wording while asking what Rolls-Royce, BR700 and aircraft can confirm, complicate or overturn.
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