Bell 206 MD Helicopters MD 500 MBB Bo 105 Sikorsky S-76
Number built
>30,000
Variants
Rolls-Royce RR300
Developed into
Rolls-Royce RR500
The Allison Model 250, now known as the Rolls-Royce M250, (US military designations T63 and T703) is a highly successful turboshaft engine family, originally developed by the Allison Engine Company in the early 1960s. The Model 250 has been produced by Rolls-Royce since it acquired Allison in 1995.
The AllisonModel250, now known as the Rolls-Royce M250, (US military designations T63 and T703) is a highly successful turboshaft engine family, originally...
and custom builder, to head the project. Early models were powered by a Rolls-Royce-AllisonModel250-C18 gas turbine producing a claimed 320 hp (240 kW)...
outfit it with a pair of Allison250-C14 turboshaft engines. While early considerations had been made for a militarised model, which the company internally...
C-20F/G/H/J, variants of the Gulfstream IV C20 is a version of the AllisonModel250 aircraft engine Bill C-20, the Canadian Clarity Act OMX Copenhagen...
rotor (the MD 520N has a five blade unit) and an uprated Allison (now Rolls-Royce) Model250 turboshaft. The prototype was modified to MD 600N standard...
include a modified fuselage with more pointed nose, new engines (AllisonModel250-C20B turboshaft engines) each rated at 313 kW (420 hp), new composite...
main rotor from Westland Helicopter's Scout rotorcraft and a pair of AllisonModel250 turboshaft engines instead of their production counterparts. Sud Aviation...
Allison Transmission Holdings Inc. is an American manufacturer of commercial duty automatic transmissions and hybrid propulsion systems. Allison products...
JetRanger serial number 433 built in 1969. It was powered by a single Allisonmodel250-C20B turboshaft engine, rated at 420 shaft horsepower. The aircraft...
motorcycle powered by a turbine engine – specifically, a Rolls-Royce Allisonmodel250 turboshaft engine, producing about 283 kW (380 bhp). Speed-tested...
8:1 hp/lb Related development Honeywell HTS900 Comparable engines AllisonModel250 Related lists List of aircraft engines "Honeywell LTS101". Archived...
market. 1848: John Stringfellow made a steam engine for a 10-foot wingspan model aircraft which achieved the first powered flight, albeit with negligible...
T56/Model 501 engine has been used in a number of experimental efforts, and as something other than a turboprop powerplant. In early 1960, two Allison YT56-A-6...
The Allison T40, company designation AllisonModel 500, was an early American turboprop engine composed of two Allison T38 power sections driving a contra-rotating...
to be widely used in the airline industry. One of Allison's most successful projects is the Model250 turboshaft/turboprop engine family, which was started...
XE20) was launched globally in 2005 with V6-powered IS 250 (GSE20) and IS 350 (GSE21) sedan models, followed by a high-performance V8 sedan version, the...
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