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...
12 KB (1,291 words) - 08:19, 18 April 2024
SIAI-Marchetti SF.260 (redirect from Aviamilano F.250)
performed the first flight of a turboprop-powered SF.260TP, powered by an Allison Model 250 engine flat-rated at 350 shp. This variant was marketed towards the...
42 KB (5,042 words) - 08:42, 16 May 2024
Beechcraft T-34 Mentor (redirect from Allison Turbine Mentor)
school in 1979. Allison Turbine Mentor Conversion of surplus T-34 Mentors to be powered by Allison Model 250 turboprop engines. Model 73 Jet Mentor Powered...
31 KB (3,639 words) - 20:40, 12 February 2024
and custom builder, to head the project. Early models were powered by a Rolls-Royce-Allison Model 250-C18 gas turbine producing a claimed 320 hp (240 kW)...
9 KB (870 words) - 04:51, 10 March 2024
157 kg) normal MTOW 3,000 lb (1,361 kg) overload MTOW Powerplant: 1 × Allison Model 250-C20B turboshaft engine, 420 shp (310 kW) Main rotor diameter: 26 ft...
21 KB (2,065 words) - 05:28, 22 May 2024
operators of the FH-1100 were impacted by a serious issue with the Allison Model 250-C18 turboshaft powerplant it used, the exhibited failure rate was...
23 KB (2,276 words) - 12:23, 14 May 2024
C-20F/G/H/J, variants of the Gulfstream IV C20 is a version of the Allison Model 250 aircraft engine Bill C-20, the Canadian Clarity Act OMX Copenhagen...
2 KB (268 words) - 01:45, 23 April 2024
outfit it with a pair of Allison 250-C14 turboshaft engines. While early considerations had been made for a militarised model, which the company internally...
61 KB (5,443 words) - 17:49, 10 May 2024
rotor (the MD 520N has a five blade unit) and an uprated Allison (now Rolls-Royce) Model 250 turboshaft. The prototype was modified to MD 600N standard...
8 KB (625 words) - 20:47, 12 March 2024
include a modified fuselage with more pointed nose, new engines (Allison Model 250-C20B turboshaft engines) each rated at 313 kW (420 hp), new composite...
9 KB (1,012 words) - 01:12, 26 March 2024